國立臺南大學專任教師基本資料
姓名林建宏
系所材料科學系
校內分機929 & 647
EMAILjanusjhlin@mail.nutn.edu.tw
辦公室文薈樓631室/格致樓403先進碳材研究室
網址http://acmrclab.nutn.edu.tw/
專長/研究領域材料化學, 觸媒化學, 奈米碳材料
學位畢業學校國別主修學門修業期間
學士國立中山大學中華民國化學1985~1989
碩士國立中山大學中華民國化學1989~1991
博士國立中山大學中華民國化學1995~1999
服務機關部門系所職稱服務期間
中國合成橡膠公司研究中心研究員1993/08~1999/07
中國合成橡膠公司技術部專案經理1999/08~2003/08
美國Rice University 博士後研究2000/01~2000/10
法ENSCMu 大學物理化學研究所博士後研究2001/10~2002/10
中國化工學會橡膠專業委員 第六屆委員2002/11~2007/11
高興昌鋼鐵公司高性能碳材研究中心研發顧問2003/09~2007/12
法ENSCMu 大學物理化學研究所訪問學者2005/07~2005/08
國立臺南大學材料科學系助理教授2006/08~2008/07
國立臺南大學教務處-企劃組組長2006/08-2007/07
國立臺南大學材料科學系副教授2008/08~2013/07
國立臺南大學教務處-教學業務組組長2008/08-2010/06
德國IFW-DresdenIFF-Molecular Structure訪問學者2010/07~2010/09
國立臺南大學材料科學系教授2013/08~
國立臺南大學研發處研發長2015/08-2016/07
著作名稱:2004 普通化學 華格納出版社,第十章, 第234~259頁
年度:2004
類別: 學術專書
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著作名稱:2004 化學實驗 華格納出版社,第八章, 第219~258頁
年度:2004
類別: 學術專書
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著作名稱:S. P. Hou, M. D. Liao, Peng, C. Peng, Dan Min, X. Y. Li, J. Chen,* G.-T. Yu (余冠廷), Jarrn-Horng Lin* "Honeycomb-like hierarchical porous activated carbons from biomass waste with ultra-high specific-surface-area for high-rate electrochemical capacitors" ACS Energy & Fuels, 2021, 35(20), 16860-16869. [SCI IF 4.654, CiteScore 6.1]
年度:2021
類別: 期刊論文 ACS Energy & Fuels
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著作名稱:T.-H. Hsieh, H.-L. Wang(王皓論), G.-T. Yu(余冠廷), G.-M. Huang(黃廣萌), Jarrn-Horng Lin* "Meso-pore dominant activated carbon from spent coffee grounds for high-performance electrochemical capacitors in organic electrolyte", J. Envrion. Chem. Eng., 2021, 9, 106418. [SCI IF 7.968, CiteScore 7.70]
年度:2021
類別: 期刊論文 J. Environ. Chem. Eng.
摘要:Conventionally, conductive additives and metallic current collectors are two major decisive factors to determine the electrochemical performances of electrode materials in supercapacitors (SCs). Without those, most reported materials for SCs are far beyond the standard performances. Herein, we develop a pore-size tunable and highly-pure nanosheet-like activated carbon (AC) from spent coffee grounds (SCGs) with high specific-surface-area (2497 m2 g-1) and large pore volume (1.28 cm3 g-1). The meso-pore/total-pore volume proportions (r) of the as-prepared samples, AC1200 (r10.25 %), AC1800 (r20.10 %), and AC2500 (67.34 %), are simply adjusted at desired temperatures (750-900 ℃) using physical activation with CO2. The SCG-based electrodes for symmetric electric double-layer capacitors (EDLC) were prepared using free-standing carbon films on cellulose separator, not on Al or Cu foils, without adding any conductive additives. Interestingly, the AC2500-based electrode, a narrow mesopore-rich (mainly 2-4 nm) AC, presents a superior capacitance of 222.4 F g-1 at 0.5 A g-1 in 1.5 M LiClO4/propylene carbonate. The capacitance is superior to those of micropore-rich samples (AC1200 and AC1800) including of two commercial products (YP-50 and ACS20). Furthermore, the AC2500-based EDLC exhibits a remarkable energy density of 48.3 Wh kg-1 at 627 W kg-1, and maintains a high energy density of 33.8 Wh kg-1 at 3733 W kg-1. In the present work, we demonstrate that narrow meso-pore (2-4 nm) dominant and nanosheet-like carbons would conduct high-performance electrochemical behaviors without the assistance of conductive additives. Moreover, we provide a promising preparation route for pore-size-tunable ACs from bio-mass wastes with remarkable performance for energy storage applications.
關鍵字:pore-size-tunable activated carbon; spent coffee grounds; high-performance; electrochemical capacitors; organic electrolyte
著作名稱:M.-D. Liao, C. Peng, S. P. Hou, J. Chen,* X. G. Zeng, H.-L. Wang (王皓論), Jarrn-Horng Lin* "Large-scale synthesis of nitrogen-doped activated carbon fibers with high specific surface area for high-performance supercapacitors" Energy Technology, 2020, 8, 1901477. [SCI IF 4.149]
年度:2020
類別: 期刊論文 Energy Technology
摘要:Activated carbon nanofibers with high specific surface area, excellent conductivity, and narrow pore-size distribution, is regarded as a promising electrode material for high-performance supercapacitors (SCs). Here, we report a facile route to synthesize large-scale amorphous carbon nanofibers (a-CF) using catalytic pyrolysis of acetylene (C2H2) at 260 ℃ over copper catalysts. The conversion rate of acetylene into a-CF is estimated as high as at 72.05 wt%. Subsequently, the as-prepared a-CF is transformed into activated carbon nanofibers (ACF) by KOH at 800 ℃ with high specific surface area and porous structures. Moreover, nitrogen-doped ACFs are conducted in the activation step through a physical mixing of a-CF/KOH/melamine with various ratios. For SCs, the as-prepared nitrogen-doped ACFs display excellent specific capacitance and cycle stability. In the three-electrode system, the N-doped ACF (CF-03) demonstrates a specific capacitance value of 227 F g-1 at 0.5 A g-1, and shows a 94% capacitance retention after a long cycle (10000 cycles) at 2 A g-1. Moreover, the CF-03-based two-electrode SC demonstrates a high energy-density of 14.30 Wh kg-1 and a high power-density of 79.88 W kg-1 in 1 M Na2SO4 electrolyte. In this work, we demonstrate a simple way to prepare large-scale a-CF, ACF, and N-doped ACFs, and also display their promising application in SCs.
關鍵字:Nitrogen-doped; activated carbon fibers; supercapacitors; acetylene
著作名稱:C.-H. Chiang (江至皓), J. Chen, Jarrn-Horng Lin* "Preparation of pore-size tunable activated carbon derived from waste coffee grounds for high adsorption capacities of organic dyes" J. Environ. Chem. Eng. 2020, 8(4), 103929. [SCI IF 7.968; Scopus, CiteScore 7.7]
年度:2020
類別: 期刊論文 Journal of Environmental Chemical Engineering
摘要:In this study, we report a promising route to prepare pore-size tunable AC derived from waste coffee grounds (WCGs) using CO2 activation. The as-prepared AC with high purity and displays highest specific surface area of 2407 m2/g with a pore volume of 1.281 cm3/g. The pore size distribution is effectively tuned by adjusting the activation temperature during 800-950 °C, the volume portion rates of micropore/total-pore for AC can be tuned from 86.4 to 10.3 v/v %. For adsorption of dyes, methylene blue (MB) and methyl orange (MO), the adsorption capacities for MB (qe 678 mg/g), and for MO (qe 612 mg/g) are remarkably high comparing with that of a commercial AC (qe 181 mg/g). The kinetic adsorption results are well fitted with the pseudo-second order model and Langmuir isotherm. The high adsorption capacity of dyes onto AC can be attributed to a multi-interaction adsorption mechanism including of electrostatic interactions and π-π interactions. The present approach offers a facile route for conversion of biomass wastes towards a highly effective adsorbent for water remediation.
關鍵字:pore structure; waste coffee grounds; activated carbons; methylene blue; methyl orange
著作名稱:Chia-Chin Chang, Li-Chia Chen, Tai-Ying Hung, Yuh-Fan Su, Huang-Kai Su, Jarrn-Horng Lin, Chih-Wei Hu, Lakshmanan Saravanan, Tsan-Yao Chen, "Nano-sized Tin Oxide-Modified Graphite Composite as Efficient Anode Material for Lithium Ion Batteries" Int. J. Electrochem. Sci., 2018, 3(12):11762-11776. [SCI IF 1.765]
年度:2018
類別: 期刊論文 International Journal of Electrochemical Science
摘要:Nano-sized tin based compounds dispersed graphite composites, synthesized by the electroless plating process and pyrolysis method, act as efficient anode materials for lithium ion batteries (LIBs). The nano-sized tin complexes on the graphite surface can be obtained through a simple chemical reaction between Sn(BF4)2 and Na2S2O4 in aqueous solution and completely converted to SnO2 after pyrolysis. The synthesized tin-modified graphite composites were characterized by X-ray diffraction (XRD), field-emission scanning electron microscopy (FE-SEM), and high-resolution transmission electron microscopy (HRTEM). The electrochemical performance of the composites for application as anode materials in lithium-ion batteries was investigated. The average particle size of nano-SnO2 is ~14.7 nm, as determined by HRTEM. Results of infrared spectra and electrochemical properties indicate that such an optimized nano Sn-based compound on graphite influences the formation of the thin solid electrolyte interface (SEI) in the electrode and thus improves the cycling performance, with high efficiency of 97.3% in LIBs. Nyquist plots show that during Li⁺ intercalation, the thin SEI film and the low charge transfer resistance of SnO2-modified graphite composite anode plays important roles in improving the electrochemical properties of LIBs.
關鍵字:Graphite;
著作名稱:Zhi-Yan Zeng(曾志彥), Jian Chen, Jarrn-Horng Lin* "Promoting Effect of Carbon Nanotubes Grown During the Non-oxidative Coupling of Methane over Copper Catalysts" Frontier Res. Today 2018, 1, 10007.
年度:2018
類別: 期刊論文 Frontier Research Today
摘要: One of the challenges for the non-oxidative coupling of methane (NOCM) is to effectively remove the deposited coke over catalysts owing to the over-dehydrogenation of methane. Herein, we show that an insitu growth of carbon nanotubes (CNTs) instead of coke were observed during NOCM over a CuSO4/γ-Al2O3 catalyst. The as-grown CNTs depict an unexpected promoting effect for NOCM with a highest activity of 0.48 mol kg cat-1·h-1, and maintained 85% activity after 200 h running time. The equilibrium methane conversion is 9.8% with a selectivity of 78.2% for C2 (C2H4 + C2H6) products. Highly dispersed Cu nanoparticles distributed on the top of CNTs measured by transmission electron microscopy is proposed to result in high catalyst stability during NOCM for 200 h instead of deactivation in several hours. Here, we firstly prove that the as-grown CNTs can promote the catalytic activity of NOCM instead of deactivation by coking over catalysts.
關鍵字:Carbon nanotube; Non-oxidative coupling of methane; Copper catalysts; Promoting effect; Catalytic activity
著作名稱:Jarrn-Horng Lin* and Shun-Bo Wang(王順柏) “An effective route to transform scrap tire carbons into highly-pure activated carbons with a high adsorption capacity of ethylene blue through thermal and chemical treatments” Environ. Technol. Inno. 2017, 8, 17-27. [SCI IF 7.758, CiteScore 4.3]
年度:2017
類別: 期刊論文 Environmental Technology and Innovation
摘要:A transformation of the industrial waste into porous materials for removing pollutants in water-treated systems is a promising route to reduce environmental impact on human life. Herein, a three-step treatment (thermal, chemical and activation) has been developed to effectively transform scrap tire carbons (STCs) into highly-pure activated carbons. Prior to activation, a purification process was conducted by thermal treating STCs at 800 oC under He gas, followed by a treatment at 500 oC under a mixture of He/H2. After that, the sample was refluxed in a diluted HCl solution at 100 oC for 4 h. This thermal and chemical process can reduce the ash content of the STCs from 12.54 to 1.46 wt% with a lower sulfur content (from 2.79 to 0.22 wt%). The activated carbon (AC) displays a specific surface area of 1048 m2/g (total pore volume of 1.16 cm3/g) with a yield of 21.4 wt%, prepared by treating the purified STCs at 900 oC for 4 h under a CO2 atmosphere. Without purifying treatments, the obtained AC shows lower specific surface area at 330 m2/g with a significant lower yield of 4.6 wt%. Highly-pure activated carbons (HP-AC) derived from purified STCs display a high adsorption capacity of 323 mg/g for methylene blue (MB). The adsorption kinetics of MB is suggested to follow the pseudo-second-order equation. The adsorption isotherm data depicts the Langmuir model. Electrostatic interaction between the oxygenated functional groups on HP-AC and MB is also discussed as the main driving force for the adsorption process.
關鍵字:scrap tire carbons, highly-pure activated carbons, ethylene blue, thermal and chemical treatments
著作名稱:Chung-Hsuan Hsiao (蕭仲軒) and Jarrn-Horng Lin* "Growth of a Superhydrophobic Multi-walled Carbon Nanotube Forest on Quartz Using Flow-vapor-Deposited Copper Catalysts" Carbon 2017, 124, 637-641.[SCI IF 11.307]
年度:2017
類別: 期刊論文 CARBON
摘要:Although studies on carbon nanotube (CNT) growth have made great advancements, direct growth of highly dense CNTs on desired substrates or positions remains an important challenge. Herein, we report a simple method to directly fabricate a CNT forest on a quartz surface using a copper catalyst at 850oC under a stream of argon-diluted ethanol. Copper nanoparticles (NPs) are used as catalysts, which are generated through flow-vapor-deposition of copper (II) acetylacetonate on a thermal-treated SiO2 (quartz) or Si (silicon wafer) surface. Dense tangled CNT forms on the quartz surface. However, when a silicon wafer is used as the substrate, the only product is a carbon-covered copper NPs instead of CNTs. The growth yield of CNTs is approximately 10.5 g CNT/g Cuh as characterized by thermogravimetric analysis, which is remarkably high compared with those achieved by conventional copper-based catalysts. The stronger metal-support interaction of copper NPs with quartz is suggested to be the key factor for CNT growth. Bamboo-like MWCNTs (BMWCNTs) are the main structures formed through transportation of copper NPs during CNT formation as evidenced by HR-TEM micrographs. Moreover, CNT-grown quartz has superhydrophobic features with a contact angle of 154o, revealing its promising application in self-cleaning coatings.
關鍵字:Superhydrophobic, multi-walled carbon nanotubes, flow-vapor-deposited, copper catalysts
著作名稱:Chih-Hao Chiang (江至皓) and Jarrn-Horng Lin* "Industrial Carbon-based Waste and Biomass Conversion to Activated Carbon and Their Applications", Chemistry, 2017, 75 (04) 315-322.
年度:2017
類別: 期刊論文 Chemistry
摘要:Transformation of industrial waste carbon-based materials and biomass are attracted greatly interest in academia and industrial owing to several potential applications. These also depict promising routes for resolving environmental impact from the above-mentioned wasted materials. Physical or chemical activations are usually employed for transforming scrap tire and biomass into activated carbons (AC) with high specific surface area and porous structures. The former is proceeded by steam or carbon dioxide; the latter is completed with several chemicals, e.g. KOH, H3PO4, NaOH, etc. Here, we systematically introduce recent advancements of AC derived from scrap tire and agricultural biomass and their applications in dye adsorption, supercapacitors, and heavy metal removers. These studies not only give new concepts for looking new precursors of AC, but also provide promising ways to save our planet in reducing environmental wastes.
關鍵字:scrap trie, biomass, activated carbon, specific surface area, porous structures
著作名稱:Y.-K. Lan, T.-C. Chen, H. J. Hsai, H. C. Wu, Jarrn-Horng Lin, I-Kuan Lin (林弈寬), J.-F. Lee and C. S. Chen "Adsorption behavior and mechanism of antibiotic sulfamethoxazole on carboxylic-functionalized carbon nanofibers encapsulated Ni magnetic nanoparticles" Langmuir 2016, 32(37), 9530-9539. [SCI IF 3.557]
年度:2016
類別: 期刊論文 Langmuir
摘要:In this work, we have developed an one-step process for synthesizing carboxylic-functionalized carbon nanofibers (CNFs)-encapsulated Ni magnetic nanoparticles (Ni@CNFs) that exhibit an excellent magnetic response and a large content of hydrophilic carboxylate groups with a negative charge (RCOO-) on the carbon surface. The carbon-encapsulated magnetic Ni nanoparticles could be rapidly separated from water, and they showed high efficiency for adsorption of the antibiotic sulfamethoxazole (SMX) in aqueous solution. The adsorption of SMX on Ni@CNFs as a function of pH was investigated, and the greatest adsorption occurred at pH 7.0. The adsorption isotherms for SMX on Ni@CNFs depended on different pH values. A Monte Carlo simulation was used to probe the relationship between molecular conformation and π-π interaction. The high adsorption of SMX on Ni@CNFs at pH 7.0 could be ascribed to deprotonated SMX being easily converted to a planar-like conformation, thereby resulting in the formation of π rings that were approximately parallel to the graphite surface and that enhanced strong π-π interaction. Electrostatic and π-π interactions both contributed to deprotonated SMX adsorption at pH 7.0 and 5.6, and they influenced the adsorption isotherm toward the Freundlich model. However, in weakly acidic environments (pH 2.0 and 4.0), the electrostatic interaction alone could induce an adsorption pattern that was similar to the Langmuir model.
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著作名稱:C. J. Wang, T. C. Chen, Jarrn-Horng Lin, P.-R. Huang, H.-J.Tsai and C.-S. Chen "One-step preparation of hydrophilic carbon nanofiber containing magnetic Ni nanoparticles materials and their application in drug delivery" J. Colloid Inter. Sci. 2015, 440, 179-188 [IF 8.182]
年度:2015
類別: 期刊論文 Journal of Colloid Interface Science
摘要:An one-step process for the synthesis of hydrophilic carbon nanofibers (CNFs) through CO2 hydrogenation on Ni-Na/Al2O3 was developed for the loading and targeted delivery of the anticancer drug doxorubicin (DOX). CNFs that were synthesized on Ni-Na/Al2O3 for 9 h at 500°C exhibited an adequate magnetic response and a large content of hydrophilic oxygen-containing functional groups on the carbon surface, resulting in excellent colloidal solution. The CNFs material exhibited a highly efficient capacity for DOX adsorption, particularly at pH 9.0. The loading and release of DOX was strongly pH dependent, possibly due to electrostatic and π - π stacking interactions between DOX and CNFs sample. The Langmuir isotherm and pseudo second-order kinetics of DOX- loaded CNFs were well-modeled for the process of DOX adsorption. DOX-loaded CNFs targeted cancer cells more selectively and effectively than free DOX and exhibited a marked tendency to kill HeLa cancer cells and reduced toxicity to normal human primary fibroblast (HPF) cells.
關鍵字:Magnetic Ni; Carbon nanofibers; Doxorubicin; Drug delivery; CO2 hydrogenation
著作名稱:C.-H. Tu, C.-H. Wu, C.-H. Chen, Y.-C. Li, S.-T. Wang, Y.-C. Chen, C.-H. Lu, Y.-J. Cai(蔡怡君), Jarrn-Horng Lin, C.-P. Liu " Direct growth of hollow carbon nanorods on porousgraphenic carbon film without catalysts" Carbon 2015, 84, 272-279. [SCI IF 9.594]
年度:2015
類別: 期刊論文 Carbon
摘要:A method is developed for growing three-dimensional hierarchic structures of porous graphenic carbon film/hollow carbon nanorods where porous graphenic carbon film is first synthesized followed by, growth of carbon nanorods. By annealing an amorphous carbon layer deposited underneath a nickel thin film at elevated temperatures, the porous graphenic carbon film forms on top via carbon diffusion and precipitation from the grain boundaries of the nickel film. The porosity of the graphenic carbon film is determined by the surface voids of the nickel film resulting from grain coalescence during annealing. Hollow carbon nanorods can then be grown on the pore edges of the porous graphenic carbon film by chemical vapor deposition without catalysts. It is speculated that the dangling bonds of the carbon atoms on the pore edges of the graphene layers might be responsible for the nucleation of the hollow carbon nanorods. The microstructures and growth mechanisms of both porous graphenic carbon film and hollow carbon nanorods are characterized and discussed in detail.
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著作名稱:H. C. Wu, Y. C. Chang, J. H. Wu, J. H. Lin, I. K. Lin(林弈寬) and C. S. Chen "Methanation of CO2 and reverse water gas shiftreactions on Ni/SiO2 catalysts: the influence ofparticle size on selectivity and reaction pathway" Catal. Sci. Technol. 2015, 5, 4154-4163 [SCI IF 6.119]
年度:2015
類別: 期刊論文 CATALYSIS SCIENCE TECHNOLOGY
摘要:Catalytic CO2 hydrogenation has been studied on both 0.5 wt% and 10 wt% Ni/SiO2 catalysts with particular focus on the production of CO and CH4. The large difference in Ni particle size between the 0.5 wt% and 10 wt% Ni loadings strongly affects the kinetic parameters of CO2 hydrogenation, the formation pathways of CO and CH4, and the reaction selectivity. The consecutive and parallel reaction pathways show preferences for small Ni clusters and large Ni particles, respectively. At low Ni loading (0.5 wt%), the catalyst shows a comparatively higher catalytic activity for CO2 hydrogenation with high CO selectivity. With Ni loading increased to 10 wt% (ca. 9 nm particles), the selectivity is switched to favor CH4 formation. A formate species in a monodentate configuration is intricately involved in CO2 hydrogenation on both Ni/ SiO2 catalysts, regardless of the Ni loading and particle size. The consecutive pathway, which is favored on small Ni particles, is attributed to low H2 coverage on the Ni surface, leading to dissociation of formate intermediates resulting in CO formation and high CO selectivity. The reaction of CO2 hydrogenation on large Ni particles may be controlled by mixed consecutive and parallel pathways, providing the likelihood that the formate intermediate is competitively hydrogenated to CO or CH4 as part of a parallel reaction pathway. The sites corresponding to kink, corner or step positions on the Ni/SiO2 surface are proposed as the primary active sites for CO2 hydrogenation.
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著作名稱:Zhi-Yan Zeng(曾志彥) and Jarrn-Horng Lin* "Metal-Catalyst-Free Growth of Carbon Nanotubes/Carbon Nanofibers on Carbon Blacks Using Chemical Vapor Deposition" RSC Advances 2014, 4(76), 40251-40258.[SCI IF 3.361]
年度:2014
類別: 期刊論文 RSC Advances
摘要:Metal-catalyst-free growth of carbon nanostructures, e.g. carbon nanotubes (CNTs) or carbon nanofibers (CNFs), on typical materials is a promising route to achieve further applications without interference of unwanted metal catalysts. Here, we report that carbon black (CB) can act as catalysts to controllably grow CNTs or CNFs yielding a bi-functional hybrid structure-CNTs/CB or CNFs/CB through a metal-catalyst-free chemical vapour deposition (MCF-CVD) in a reaction temperature range of 800-950 oC. We find that the decomposition steps of carbon source is a crucial factor to determine the formation of CNTs (ethylene), CNFs (acetylene) or amorphous carbons (ethanol and cyclohexane) evidenced by the gas-composition analysis. The growth yields of CNTs or CNFs catalysed by various CBs display a linear corresponding with the surface areas of CBs, indicating that structural morphologies of CB dominate the growth of carbon nanostructures. The formation of CNTs/CB or CNFs/CB is proposed to obey the vapour-solid-surface-solid model with an activation energy of 59.0 kJ/mol. The growth mechanism of CNTs/CB or CNFs/CB is suggested that a direct dehydrogenation route of carbon sources (ethylene and acetylene) would occur on CB surfaces through self-assembling. The multi-step decomposition route of carbon sources (ethanol and cyclohexane) would generate amorphous carbons only. These findings open a new route to prepare unique carbon structures through a metal-catalyst-free CVD.
關鍵字:Metal-Catalyst-Free, Carbon Nanotubes, Carbon Black, Chemical Vapor Deposition
著作名稱:Yung-Chih Lin(林雍植)and Jarrn-Horng Lin*"Purity-controllable growth of bamboo-like multi-walled carbon nanotubes over copper-based catalysts" Catalysis Communications, 2013, 34, 41-44.[SCI IF 3.626]
年度:2013
類別: 期刊論文 Catalysis Connunications
摘要:A growth of bamboo-like multi-walled carbon nanotubes (CNTs) without the formation of amorphous carbons (a-C) have been developed using copper-based catalysts by catalytic chemical vapor deposition (CVD) with diluted ethylene at 700-900 oC. The as-grown CNT soot was characterized by transmission electron microscopy, thermogravimetric analysis and Raman spectra. Weak metal-support interaction of sulfated-assisted copper catalyst (CuSO4/SiO2) can give a high-purity growth with remarkable yields of CNTs (2.24-6.10 CNT/g Cuh) at 850-900 oC. Additionally, hydrogen-assisted CVD can activate inert copper catalysts, e.g. Cu(NO3)2/SiO2 or Cu(CH3COO)2/SiO2, towards the growth of CNTs.
關鍵字:Purity-controllable; Bamboo-like; Carbon nanotubes; Copper catalysts
著作名稱:Jarrn-Horng Lin,* Zhi-Yan Zeng(曾志彥), Y. T. Lai and C.-S.Chen* "Low-temperature growth of bamboo-like multi-walled carbon nanotubes over atomic layer epitaxy-Cu/SiO2 catalyst through metal-support interaction" RSC Advances 2013, 3(6), 1808-1817.[SCI, IF3.708]
年度:2013
類別: 期刊論文 RSC Advances
摘要:The well-controlled growth of carbon nanotubes (CNTs) at low temperature ( 1073K ) using non-iron group metal catalysts remains a challenge. Here, we report that CNTs can be grown at 773-1173 K over an atomic layer epitaxy (ALE) prepared copper catalyst (ALE-Cu/SiO2) using chemical vapour deposition in helium diluted ethylene. At the same reaction conditions, only amorphous carbon can be generated 10 over an impregnation (IM) method prepared copper catalyst (IM-Cu/SiO2). A metal-support interaction (MSI) model is proposed to describe the interaction between the ALE prepared Cu nanoparticles (NPs) and SiO2 support through the results of temperature programmed reduction profiles, x-ray photoelectron spectra and in situ x-ray diffraction (XRD) patterns. Structurally stabilised Cu NPs in ALE-Cu/SiO2 catalyst indicate that the strong MSI site of Cu NPs and/or copper silicide(Cu3Si) evidenced by in situ 15 XRD patterns would be the active centers to fabricate CNTs. Our observations provide new insights into controlling the CNT growth at low-temperatures over non-ferromagnetic catalysts.
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著作名稱:Jarrn-Horng Lin,* C-S Chen, Zhi-Yan Zeng(曾志彥),C.-W. Chang and H.-W.Chen"Sulfate-activated growth of bamboo-like carbon nanotubes over copper catalysts" Nanoscale 2012, 4, 4757-4764[SCI IF7.223]
年度:2012
類別: 期刊論文 Nanoscale
摘要:A sulfate-activated effect is developed to describe the growth of bamboo-like carbon nanotubes (CNTs) over copper catalysts using chemical vapor deposition with helium diluted ethylene. Sulfate-assisted copper catalysts can afford a high-yield growth of bamboo-like CNTs at mild temperature- 800 oC, however, non-sulfate assisted copper catalysts, e.g. copper acetate and copper nitrate prepared catalysts, were inert for the CNT growth and only obtained amorphous carbons (a-C) surrounding around copper nanoparticles at the same conditions. Nevertheless, the addition of sulfate ion in the preparation step for the two inert catalysts can activate their abilities for the CNT growth with remarkable yields. Further Raman spectra analysis demonstrates a linear dependence between the concentration of sulfate ions in copper catalysts and the ratio of CNT/a-C in the as-grown carbon soot. The sulfate-activated effect for the CNT growth over copper catalysts would relate to a three-way interaction of sulfate ions, copper nanoparticles and support. In situ TEM images for an as-grown CNT irradiated by electron beams without the inlet of carbon sources reveal an unaware pathway of carbon diffusion through the bulk of copper nanoparticles and enlarge the inner-wall thickness of the on-site CNT. This carbon diffusion model over sulfate-assisted copper catalysts can give new insights to explain the CNT growth mechanism over non-magnetic metal catalysts.
關鍵字:bamboo-like carbon nanotubes, copper catalysts
著作名稱:Jarrn-Horng Lin,* C.-S. Chen, M.-H. Rummeli, Zhi-Yan Zeng(曾志彥), A. Bachmatiuk, Hui-Ling Ma, B. Buchner and H.-W. Chen "The Growth of Carbon Nanotubes on Defect-rich Graphite Surfaces" Chem. Mater. 2011, 23, 1637-1639. [SCI IF 9.811]
年度:2011
類別: 期刊論文 Chemistry Materials
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著作名稱:A.Bachmatiuk,F. Borrnert, V. Hoffmann, D. Lindackers,Jarrn-Horng Lin, B. Buechner, M. H. Rummeli "Hydrogen induced self-assembly of helical carbon nanostructures from ethanol over SiO2 catalysts" J. Appl. Phys. 2011, 109, 094317-1~5. [SCI IF 2.168]
年度:2011
類別: 期刊論文
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著作名稱:R. S. Lee,W. H. Chena and Jarrn-Horng Lin "Polymer-grafted multi-walled carbon nanotubes through surface-initiated ring-opening polymerization and click reaction" Polymer, 2011, 52(10), 2180-2188.[SCI IF 3.438]
年度:2011
類別: 期刊論文
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著作名稱:C.S.Chen,Jarrn-Horng Lin, J. H. You, and K. H. Yang "Effects of Potassium on Ni-K/Al2O3 Catalysts in the Synthesis of Carbon Nanofibers by Catalytic Hydrogenation of CO2" J. Phys. Chem. A. 2010, 114, 3773. [SCI IF 2.946]
年度:2010
類別: 期刊論文
摘要:Commercially available Ni/Al2O3 samples containing various concentrations of potassium were used to achieve carbon deposition from CO2 via catalytic hydrogenation. Experimental results show that K additives can induce the formation of carbon nanofibers or carbon deposition on Ni/Al2O3 during the reverse water-gas shift reaction. This work proposes that the formation rate of carbon deposition depends closely on ensemble control, suggesting that the ensemble size necessary to form carbon may be ?0.5 potassium atoms. The results of CO2 temperature-programmed desorption provide strong evidence that the new adsorption sites for CO2 created on Ni-K/Al2O3 closely depend upon the synthesis of carbon nanofibers. It is found that some potassium-related active phases obtained by calcination and reduction pretreatments can participate in the carbon deposition reaction. The formation pathway for carbon deposition suggests that the main source of carbon deposition is CO2 and that the pathway is independent of the reaction products CO and CH4 in the reverse water-gas shift reaction.
關鍵字:carbon nanofiber, catalytic hydrogenation
著作名稱:Jarrn-Horng Lin,* C. S. Chen, M. H. Rummeli and Z. Y. Zeng"Self-assembly of Multi-walled Carbon Nanotubes on Gold Surfaces" Nanoscale 2010, 2(12), 2835-2840.[SCI IF 5.914]
年度:2010
類別: 期刊論文
摘要:We report on the observation of self-assembled carbon nanostructures on a standard transmission electron microscopy (TEM) Au substrate formed via thermal chemical vapor deposition. Multi-walled carbon nanotubes (MWNTs) and other carbon nanostructures (CNs), such as carbon nanofibers and carbon nanoparticles (NPs), could be fabricated through structural transformation of meta-stable carbon layers on the Au surface during 800-850oC with the thermal decomposition of ethylene. At these temperatures, we found that Au NPs will form immediately through the structural transformation of the Au grid surface in helium atmosphere. The Au NPs work as active centers to trigger the decomposition of ethylene into carbon atoms, which spillover to form meta-stable carbon layers or amorphous carbon nanobugs and then to form as CNs via self-assembling. The growth of CNs was characterized by field-emission scanning electron microscopy (SEM), high-resolution TEM and RAMAN spectroscopy. The transformation of amorphous carbon nanobugs by electron beam irradiation is also recorded by in-situ monitoring of TEM.
關鍵字:self-assembly, carbon nanotubes, gold surface
著作名稱:C. S. Chen, Jarrn-Horng Lin, T. W. Lai and B.H. Li "Active Sites on Cu/SiO2 Prepared using the Atomic Layer Epitaxy Technique for a Low-Temperature Water Gas Shift Reaction" J. Catal. 2009, 263, 155-166.[SCI IF 6.002]
年度:2009
類別: 期刊論文
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著作名稱:S. Tetali, M. Zaka, R. Schonfelder, A. Bachmatiuk, F. Borrnert, I. Ibrahim, Jarrn-Horng Lin, G. Cuniberti, J. H. Warner, B. Buchner and M. H. Rummeli"Unrevealling the mechanisms behind mixed catalysts for the high yield production of single walled carbon nanotubes" ACS NANO 2009, 3(12), 3839-3844.[SCI IF 11.421]
年度:2009
類別: 期刊論文
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著作名稱:C.S. Chen, Jarrn-Horng Lin, C.R. Chen, K.M. Lin " Growth of carbon nanofibers synthesized from CO2 hydrogenation on a K/Ni/Al2O3 catalyst" Catalysis Communications,2009, 11, 220-224.[SCI IF 2.986]
年度:2009
類別: 期刊論文
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著作名稱:H. W. Chen, H. L. Ma and Jarrn-Horng Lin "Synthesis of MWCNTs using CVD without metallic catalysts" Proc. of SPIE 2009, 7399, 739905-1~5. [EI Journal]
年度:2009
類別: 期刊論文
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著作名稱:Jarrn-Horng Lin,* C.-S. Chen, Hui-Ling Ma, Chen-Yin Hsu and H.-W. Chen "Self-Assembly of Multi-walled Carbon Nanotubes on a Porous Carbon Surface by Catalyst-free Chemcial Vapor Deposition" CARBON 2008, 46, 1621-1625.-[SCI IF 9.594]
年度:2008
類別: 期刊論文 Carbon
摘要:Synthesis of carbon nanotubes (CNTs) by catalyst-free chemical vapor deposition (CFCVD) is one of the most important challenges in nanotube science. Self-assembling multi-walled CNTs (MWCNTs) were produced on a porous carbon surface using carbon black (CB) as a substrate, at 800 C by the decomposition of diluted ethylene. MWCNTs with an outerdiameter distribution of 20–80 nm, examined by scanning and transmission electron microscopy, could be self-assembled on pore structures of CB surface by CFCVD.
關鍵字:Self-assembling, carbon nanotubes, catalyst-free, chemical vapor deposition
著作名稱:C.S. Chen, Jarrn-Horng Lin , S.J. Lin, H.T. Huang, H.L. Ma " Synthesis of Carbon Nanofibers from CO2 on Ni-K/Al2O3 Catalysts" CARBON 2008, 46, 369-317.[SCI IF 5.378]
年度:2008
類別: 期刊論文
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著作名稱:C.S. Chen, J.H. You, Jarrn-Horng Lin, C.R. Chen, K.M. Lin " Effect of a nickel promoter on the reducibility of a commercial Cu/ZnO/Al2O3 catalyst for CO oxidation" Catalysis Communications 2008, 9, 1230-1234.[SCI IF 2.986]
年度:2008
類別: 期刊論文
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著作名稱:C.S. Chen, J.H. You, Jarrn-Horng Lin, C.R. Chen, K.M. Lin "Effect of highly dispersed active sites of Cu/TiO2 catalysts on CO oxidation" Catal. Commun. 2008, 9, 2381-2385.[SCI IF 2.986]
年度:2008
類別: 期刊論文
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著作名稱:C. S. Chen, Jarrn-Horng Lin and T. W. Lai "Low-Temperature Water Gas Shift Reaction on Cu/SiO2 Prepared by Atomic Layer Epitaxy Technique" Chem. Commun. 2008, 4983-4985.[SCI IF 6.169]
年度:2008
類別: 期刊論文
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著作名稱:Jarrn-Horng Lin,* C.-S. Chen, Hui-Ling Ma, Chen-Yin Hsu and H.-W. Chen “Synthesis of MWCNTs on CuSO4/Al2O3 using chemical vapor deposition from methane” CARBON 2007, 45(1), 223-225. [SCI IF 5.378]
年度:2007
類別: 期刊論文
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著作名稱:C. S. Chen, Jarrn-Horng Lin, J. H. You and C. R. Chen "Properties of Cu(thd)2 as a precusor to parpare Cu/SiO2 catalyst using atomic layer epitary technique" J. Am. Chem. Soc. 2006, 128, 15950-15951, [SCI IF 9.907]
年度:2006
類別: 期刊論文
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著作名稱:C. S. Chen, Jarrn-Horng Lin and H. W. Chen ”Hydrogen Adsorption Sites Studied by Carbon Monoxide Adsorption to Explain the Possible Difference for Hydrogenation Activity of Benzene on Pd and Pt Catalysts”Appl. Catal. A: General, 2006, 298, 161-167.-[SCI IF 3.903]
年度:2006
類別: 期刊論文
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著作名稱:C. S. Chen, Jarrn-Horng Lin and H. W. Chen ”Infrared Study of Benzene Hydrogenation on Pt/SiO2 Catalysts by co-adsorption of CO and Benzene”Catal. Letters, 2005, 105(3-4), 149-153.-[SCI IF 2.242]
年度:2005
類別: 期刊論文
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著作名稱:Jarrn-Horng Lin* “Identify the Surface Characteristics of Carbon Blacks by Pyrolysis GC-MS”Carbon 2002, 40(2), 183-187.-[SCI IF 5.378]
年度:2002
類別: 期刊論文
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著作名稱:Jarrn-Horng Lin* and H. W. Chen “A Novel Method to Graft Polymers on Carbon Blacks”J. Mater. Chem., 1998, 8(10), 2169-2173.-[SCI IF 5.968]
年度:1998
類別: 期刊論文
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著作名稱:Jarrn-Horng Lin* and H. W. Chen “CO Hydrogen Reactions on Cu/Cr2O3” J. Phys. Chem. 1992, 96, 10353-10358.[SCI IF 3.471]
年度:1992
類別: 期刊論文
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著作名稱:Tzu-Hsien Hsieh,Ting-Jui Chang, Yun-Hsiang Lin and Jarrn-Horng Lin* "One-step generation of hollow graphitic carbon nanospheres with suitable oxygenated structures as conductive additives for water-soluble binder in highly stable supercapacitor electrodes" Electrochimica Acta 2024, 483, 144050 [ Elesiver, SCI IF6.60]
年度:2024
類別: 期刊論文 Electrochimica Acta
摘要: Although the weight ratio of electron conductive additives and the binder to porous carbons in the electrode component of electric double-layer capacitors (EDLC) is minimal, however, without them the electrochemical performances of EDLC would decay quickly. In this work, we present a one-step approach for manufacturing a unique conductive carbon material that shows highly connecting hollow structures as well as approximate oxygenated surface groups to create a synergy effect with aqueous binder and the main component, porous carbon. The as-prepared carbon nanospheres (HCNs) were generated from a typical carbon black-PC20 in air (denoted as PC20HT) at mild temperatures ranging from 400 to 700 °C for 2-4 h at a massive scale of approximate 1 kg h-1. The as-prepared PC20HT displays a high specific surface area of 657 m2 g-1 (the pristine PC20 has 112 m2 g-1) with a pore volume of 0.71 cm3 g-1, and an oxygen content of 14.10 wt%. Interestingly, a premixing of PC20HT and porous carbon is required before making the electrode pastes. The well premixed carbon materials and a water-soluble binder-polyacrylic acid are composed into highly-stable components as EDLC electrodes in an organic electrolyte. As consequently, the PC20HT-assisted electrodes demonstrate highly stable life cycles (charge-discharge behaviors), with a retention rate 82.13 % over 50,000 cycles at a narrow voltage window of 2.5-2.7 V at 0.5 A g-1 when compared to two conventional conductive carbons, BP2000 (68.45 %) and Super P (67.46%). Thermal annealing at 900 ℃ in Ar reduces the oxygen content of PC20HT to 4.25 wt% (referred to as TPC20HT), increasing the retention rate of life cycle to 88.89 % after the same cycles. TPC20HT-assisted EDLC electrodes exhibit a superior energy density of 34.76 Wh kg 1, which is higher than CB-BP2000 and Super P-assisted EDLC electrodes. The transforming of structural morphologies as well as the surface oxygenated and graphitic structures of the as-prepared HCS, PC20HT, and TPC20HT were also described before and after long-term cycling. This simple route for producing conductive carbons is applicable in an aqueous binder system for preparing EDLC electrodes with a cost-effective and environmentally friendly approach.
關鍵字:Hollow graphitic carbon nanospheres, Conductive additives, Water-soluble binder, Supercapacitors
著作名稱: Guan-TingYu,Tzu-HsienHsieh,* Yun-Hsiang Lin, and Jarrn-Horng Lin* "Porous Carbon Nanosheets Derived from Spent Coffee Grounds for Highly Stable Electric Double-Layer Capacitors Enabled by Structurally Complementary Carbons
年度:2023
類別: 期刊論文 ACS Sustainable Resource Management
摘要:Despite the fact that porous carbons are the primary components of electric double-layer capacitors (EDLC), conductive additives have typically been necessary to aid in the establishment of improved conductive pathways. In this study, we use two-dimensional porous carbon sheets (2D PCNs) derived from spent coffee grounds as the active component and integrated them with two structurally complementary carbon blacks (CB)-BP2000 and Super P to compose a highly stable EDLC electrode in an organic electrolyte. The carbon electrode with the best mass ratio is AC2500/BP2000/Super P 100/15/5 (AC25-BP75SP25) and was prepared using a suction-fltration method on a cellulose separator rather than direct coating on a metallic foil. The specifc capacitance of AC25-BP75SP25-based EDLCs in 1 M TEABF4/propylene carbonate is as high as 226.8 F g−1 at 0.5 A g−1. Furthermore, the cycling tests show a specifc capacitance of 194.6 F g−1 at 5 A g−1 with a high-voltage window of 2.5−2.7 V and a Coulombic efciency near 98 % after 50,000 cycles. The value is remarkably stable when compared with the AC2500-based electrode without conductive CB or adding only one kind of CB. The energy density can reach a high level of 56.7 Wh kg−1 @ 750 W kg−1 and 42.8 Wh kg−1 @ 11.8 kW kg−1, indicating that the assembled EDLC can maintain a high energy density when operated under harsh charge−discharge conditions. Our fndings could provide a new strategy to practically utilize carbon-electrode materials derived from biomass wastes for high-performance EDLC.
關鍵字:porous carbon nanosheets, spent coffee grounds, high energy density, electric double-layer capacitor, structurally complementary, conductive carbons
著作名稱:Jarrn-Horng Lin,* and C.-Y. Chen (陳璟雍) "Thickness-controllable coating on graphite surface as anode materials using glucose-based suspending solutions for Lithium-ion Battery" Surface & Coating Technology, 2022, 436, 128270.[Elsevier, IF 4.865]
年度:2023
類別: 期刊論文 Surface & Coating Technology
摘要:Surface-passivation is an effective way to allow the anode materials can deliver long-term superior electrochemical performance for lithium-ion batteries (LIBs). Herein, we develop a simple solution suspension-coating method to prepare thickness-controllable nano-carbon layer (NCL) on a synthesis graphite-mesocarbon microbeads (MCMB) using aqueous glucose solutions with a surfactant-triton X-100 at 25 ℃. This simple process can control the thickness of the NCL on MCMB with a range of 1.5-20 nm with various glucose concentrations. The as-formed NCL can reduce the defect sites on MCMB surface and create slightly porous structures within NCL. For electrochemical performance in LIB, we observed that the carbon-coating thickness at around 4 nm shows better reversible capacity (from 295 to 347 mAh g-1), lower Li+ diffusion resistance, stable cycle-life, and superior C-rate performance. As our results, we provide a simple method to stabilize surface properties of MCMB and show better electrochemical performance in LIB. Moreover, this method can be easily exploited in the industrial with a massive production.
關鍵字:suspension-coating, nano-carbon layer, mesocarbon microbeads, lithium-ion batteries.
著作名稱:Jian Chen* Mao-Yuan Hu, Long Qing, Ping Liu, Lin Li, Rui Li, Cheng-Xi Yue and Jarrn-Horng Lin* "Study on Boundary Layer and Surface Hardness of Carbon Black in Natural Rubber Using Atomic Force Microscopy" Polymers, 2022, 14, 4642. [SCI IF4.967]
年度:2022
類別: 期刊論文 Polymers
摘要:The mechanical properties and wear resistance of carbon black/natural rubber (CB/NR) composites are significantly influenced by the dispersion degree of CB in rubber. Here, we present a novel reinforcement theory using atomic force micros-copy (AFM) to quantify the adhesive thickness of rubber molecules around the CB particles as well as the height, area, and volume in NR. The thickness of the bonded rubber (BR) was found to vary between 3 to 7 nm depending on the values of the specific surface area (NSA) for CB. This indicates that higher BR content owing to higher NSA of CB with a smaller particle size showing higher active po-sitions to anchor rubber molecules. Nanoindentation of AFM was used to de-termine the surface hardness of CB in NR, the value will decrease with the in-creasing of the BR height. In this study, we demonstrate a well reinforcement mechanism of CB in NR with the factor of BR, surface hardness, 100%/300% modulus, and tensile strength.
關鍵字:Carbon black; Natural rubber; Surface hardness; Bonded rubber; Atomic force micros-copy
著作名稱:YH Chen, KA Tsai, TW Liu, YJ Chang, YC Wei, MW Zheng, SH Liu, MY Liao, PY Sie, Jarrn-Horng Lin, SW Tseng and YC Pu* "Charge Carrier Dynamics of CsPbBr3/g‑C3N4 Nanoheterostructures in 2 Visible-Light-Driven CO2‑to-CO Conversion" 2022, 12, 22 accepted, J. Phys. Chem. Lett. [SCI, IF 6.888]
年度:2022
類別: 期刊論文 Journal of the Pysical Chemical Letters
摘要:The photon energy-dependent selectivity of photocatalytic CO2-to-CO conversion by CsPbBr3 nanocrystals (NCs) and CsPbBr3/g-C3N4 nanoheterostructures (NHSs) was demonstrated for the first time. The surficial capping ligands of CsPbBr3 NCs would adsorb CO2, resulting in the carboxyl intermediate to process the CO2-to-CO conversion via carbene pathways. The type-II energy band structure at the heterojunction of CsPbBr3/g-C3N4 NHSs would separate the charge carriers, promoting the enhancement in the efficiency of CO2-to-CO conversion. The electron consumption rate of CO2-to-CO conversion for CsPbBr3/g-C3N4 NHSs was found to intensively depend on the rate constant of interfacial hole transfer from CsPbBr3 to g-C3N4. An in situ transient absorption spectroscopy investigation revealed that the half-life time of photoexcited electrons in optimized CsPbBr3/g-C3N4 NHS was extended two times more than that in the CsPbBr3 NCs to improve the efficiency in the CO2-to-CO conversion. The current work presents important and novel insights of semiconductor NHSs for solar energy-driven CO2 conversion.
關鍵字:Charge Carrier; Nanoheterostructures, CO2 conversion
著作名稱:Rui Li, Long Qing, Wilfred Emori, Su, Wei Zhao, Jian Chen*, Guan-Ting Yu, Jarrn-Horng Lin* “Ultrafine SnO2 nanoparticles decorated on N-doped highly structural-connected carbon nanospheres as the anode material for high-performance sodium-ion batteries” ACS Energy&Fules, 2022, 36, 4957-4966. [ACS IF 4.654, Citescore 6.1]
年度:2022
類別: 期刊論文 ACS Energy & Fuels
摘要:Although SnO2 nanoparticles (NPs) as the anode material can deliver high specific capacity for sodium-ion batteries (SIBs), however, their electrochemical performances will decay quickly owing to the aggregation of SnO2 NPs during charge-discharge cycles. Herein, we report a simple hydrothermal method to prepare SnO2 NPs decorated on highly structurally-connected carbon nanospheres (HS-CCN) with or without nitrogen doping. As an anode for SIBs, SnO2/N-HS-CCN delivered a good reversible capacity of 294 mAh g-1 after 150 cycles at 0.1 A g-1. This is remarkably high when compared with previous reports. In addition, the integration of synergistic effect between SnO2 and N-HS-CCN can exhibit superior electrochemical behaviors than that of HS-CCN without N-doping, non-dispersed SnO2, or pure N-HS-CCN. This work highlights that nitrogen-doped carbon materials can effectively bridge the nano-SnO2 particles with high electron mobility, thus offering high capacity in SIBs from low to medium-high current densities.
關鍵字:N-doped highly structurally-connected carbon nanospheres; Tin dioxide; Anode material; Sodium-ion batteries
著作名稱:M. H. Rümmeli,A. Bachmatiuk, A. Scott, F. Börrnert, J. H. Warner,V. Hoffmann, Jarrn-Horng Lin, G. Cuniberti, B. Büchner"Low Temperature Graphene via Non-Metal Catalytic Chemical Vapor Deposition" ACS NANO 2010, 4(7), 4206-4210.[SCI IF 15.881]
年度:2010
類別: 期刊論文 ACS Nano
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著作名稱:C. Peng, M. D. Liao, X. L. Lv, L. Chen, S. P. Hou, D. Min, J. Chen,* H.-L. Wang (王皓論) and Jarrn-Horng Lin* "Large-scale synthesis of highly structural-connecting carbon nanospheres as an anodes material for lithium-ion batteries with high-rate capacity" Chem. Eng. J. Adv. 2020, 2, 100014. [A new partner journal of of Chem. Eng. J. (SCI IF16.774)]
年度:2020
類別: 期刊論文 Chem. Eng. J. Adv.
摘要:Highly structural-connecting carbon nanospheres (CNSs) are prepared using thermal pyrolysis of acetylene at 580 ℃ with a yield of 1 kg h-1. The as-prepared CNSs present a particle-size distribution in a range of 60-90 nm, and display a highly-connected structure (the specific oil-adsorption value is 180 mL/100g according to the ASTM D2415-19 method) with a specific surface area of 30 m2 g-1. The as-prepared CNSs were treated with an acid purification (1M HNO3 80℃ for 2 h) or thermal treatments at higher temperatures (800 or 1000 ℃ for 2 h) under argon atmosphere. The CNSs-based samples demonstrate admirably electrochemical performance as the anode materials for lithium-ion batteries (LIBs). Additionally, HNO3-treated CNSs display better performances in LIBs comparing with pristine, thermal-treated CNSs, graphite, and carbon black-super-P and acetylene black. For the HNO3-CNSs sample, the first charge-discharge cycle of the specific charge capacity is 506 mAh g-1, and which maintains at 420 mAh g-1 of specific discharge capacity, the initial coulombic efficiency is 85.0%. Moreover, the rate capacity is conducted at various current densities from 0.05 to 2 A g-1, the capacitance retention rate can maintain above 98 % after 100 cycles. Remarkably, the HNO3-treated CNSs exists excellent rate capacity of 280 mAh g-1 at 2 A g-1, which is superior to those of previously reported CNSs. Herein, we provide a facile route to massively prepare a high-performance anode material for LIBs.
關鍵字:Large-scale synthesis; highly structural-connecting carbon nanospheres; lithium-ion batteries; high-rate capacity
著作名稱:Jarrn-Horng Lin*, Y.-C. Lin (林雍植), Z.-Y. Zeng (曾志彥) "A Study of Growth Mechanism of Carbon Nanotubes over Copper Catalysts" J. Taiwan Vacuum Soc. 2019, 32, 1(4), 42-50. [Invited Review]
年度:2019
類別: 期刊論文 Journal of Taiwan Vacuum Society
摘要:Since 1991 discovered by S. Iijima, carbon nanotubes-CNTs have been studied more than 27 years. The detailed description of CNTs from fundamental researches to industrial applications have been discussed more than ten-thousand articles. Generally, vapor-liquid-solid (VLS) is a typical model to reveal the growth mechanism of CNTs, especially, while the iron-group metals were used as the catalysts. However, from 2006, several researchers found non-iron group metals, e.g. Cu, Ag, Au, and Pt, can grow CNTs as well as the non-metal elements, e.g. carbon black, diamond, and silicon. Recently, a new surface diffusion model for CNT growth have been wildly accepted using non-iron group elements. Here, we review several reports for the growth of CNTs over copper catalysts, and hope to provide new insights for CNT growth mechanism.
關鍵字: copper catalysts, carbon nanotubes, growth mechanism
著作名稱:中國化學會高雄分會88年會會誌(1999, July) p.39~44. “熱裂解氣相層析質譜儀(PGC-MASS)對碳煙品級之鑑定”
年度:1999
類別: 期刊論文
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