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| 1 | Controllable active sites and facile synthesis of cobalt nanoparticle embedded in nitrogen and sulfur co-doped carbon nanotubes as efficient bifunctional electrocatalysts for oxygen reduction and evolution reactions显示文摘Development of efficient and promising bifunctional electrocatalysts for oxygen reduction and evolutionreactions is desirable. Herein, cobalt nanoparticles embedded in nitrogen and sulfur co-doped carbonnanotubes(Co@NSCNT) were prepared by a facile pyrolytic treatment. The cobalt nanoparticles and co-doping of nitrogen and sulfur can improve the electron donor-acceptor characteristics of the carbon nan-otubes and provide more active sites for catalytic oxygen reduction and evolution reactions. The preparedCo@NSCNT, annealed at 900℃, showed excellent electrocatalytic performance and better durability thancommercial platinum catalysts. Additionally, Co@NSCNT-900 catalysts exhibited comparable onset poten-tials and Tafel slopes to ruthenium oxide. Overall, Co@NSCNT showed high activity and improved dura-bility for both oxygen evolution and reduction reactions. | Taeseob Oh Kwanwoo Kim Jooheon Kim | 2019 | Journal of Energy Chemistry2019，28，11： | 1 |
| 2 | Crosslinked sulfonated poly(vinyl alcohol)/sulfonated multi-walled carbon nanotubes nanocomposite membranes for direct methanol fuel cells显示文摘 | Sungjin Yun Hyungu Im Yusun Heo Jooheon Kim | 2011 | Journal of Membrane Science2011，，1： | 1 |
| 3 | Flexible and high thermal conductivity thin films based on polymer: Aminated multi-walled carbon nanotubes/micro-aluminum nitride hybrid composites显示文摘 | Seran Choi Hyungu Im Jooheon Kim | 2012 | Composites Part A2012，，11： | 1 |
| 4 | The Effect of Different Hard Segments in Polyurethane on the Electrical Conductivity of Polyurethane Grafted Multi-walled Carbon Nanotube/Polyurethane Nanocomsites显示文摘 | YUN Sungjn IM Hyungu KIM Jooheon | 2011 | Synthetic Metals2011，161，1314： | 1 |
| 5 | Graphene/MnO 2 -based composites reduced via different chemical agents for supercapacitors显示文摘 | Myeongjin Kim Yongseon Hwang Jooheon Kim | 2013 | Journal of Power Sources2013，，： | 1 |
| 6 | Copper telluride with manipulated carrier concentrations for high-performance solid-state thermoelectrics显示文摘This study proposed a strategy for effectively diminishing the carrier concentration in Cu_(2)Te by introducing graphene sheets,Based on thermoelectric property measurements and single parabolic band modeling,the incorporated graphene effectively reduced the carrier concentration,not only enhancing the thermoelectric performance of the Cu_(2)Te/graphene composite but also substantially improving its figure of merit up to ~1.47 at 1000 K,which is 268% higher than that of pristine Cu_(2)Te,This study gives an insight into the control of carrier concentration and thermoelectric properties in Cu_(2)Te,and it could be extended to other copper chalcogenides for excellent thermoelectrics. | Hyun Ju Dabin Park Minsu Kim Jooheon Kim | 2022 | Journal of Materials Science & Technology2022，，34： | 0 |
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