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Gold-Modified Mo2C Nanoparticles Supported on Nitrogen-Doped Carbon Nanotubes for Electrochemical Nitrogen Fixation

文献类型：期刊论文

作者Lv, Jiali4,5,6; Hu, Taiping3,5,6; Zhang, Wei2; Li, Wenyi5,6; Tian, Zhenfei1; Ye, Yixing5,6; Liu, Jun5,6; Dai, Kai1; Li, Pengfei5,6; Zhang, Haimin5,6
刊名ACS APPLIED NANO MATERIALS
出版日期2022-05-27
卷号5
关键词electrocatalytic N-2 reduction reaction Mo2C nanocrystalline N-doped CNTs Au-loaded heterojunctions laser irradiation
DOI10.1021/acsanm.2c00379
通讯作者Li, Pengfei(pfli@issp.ac.cn) ; Liang, Changhao(chliang@issp.ac.cn)
英文摘要Electrochemical N-2 reduction reaction ( NRR) provides an alternative approach to producing ammonia (NH3) under ambient conditions. However, the sluggish kinetic process and existence of the competitive reaction of hydrogen evolution reaction make the catalytic activity and selectivity of NRR catalysts still very low. To tackle this challenge, gold-modified molybdenum carbide (Mo2C) nanoparticles (NPs) supported on nitrogen-doped carbon nanotubes (Au/Mo2C/NCNTs) was synthesized using a strategy that combines laser irradiation and carbothermal reaction. For such a composite, pony-sized Mo2C nanocrystals play important roles in cleavage of the N.N bond and the occurrence of N-2 adsorption, while Au NPs promote charge transfer and intermediate protonation to enhance the selectivity of NRR. Using these advantages, the NH3 yield rate and Faradaic efficiency of Au/Mo2C/NCNTs reached 46.89 mu g mg(cat.)-1 h(-1) and 2.78% at -0.3 V versus reversible hydrogen electrode, which were 2.36 and 3.20 times those of Mo2C/NCNTs, respectively. Our effort provides a unique pathway for preparing Au/Mo2C/NCNTs composites and gives insight into the mechanism of the NRR performance enhanced by metal NP loading and heteroatom doping.
WOS关键词AMMONIA-SYNTHESIS ; AMBIENT CONDITIONS ; MOLYBDENUM CARBIDE ; REDUCTION ; N-2 ; HYDROGEN ; ELECTROCATALYST ; PERFORMANCE ; PHOTOCATALYST ; ELECTROLYSIS
资助项目Instrument Developing Project of the Chinese Academy of Sciences[YZ201627] ; National Natural Science Foundation of China[51571186] ; National Natural Science Foundation of China[51572103] ; National Natural Science Foundation of China[52071313] ; National Natural Science Foundation of China[51971211] ; Key Research and Development Project of Anhui Province[201904a05020049] ; Youth Innovation Promotion Association of CAS[2017483] ; Hefei Advanced Computing Center
WOS研究方向Science & Technology - Other Topics ; Materials Science
语种英语
出版者AMER CHEMICAL SOC
WOS记录号WOS:000833967000138
资助机构Instrument Developing Project of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; Key Research and Development Project of Anhui Province ; Youth Innovation Promotion Association of CAS ; Hefei Advanced Computing Center
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/132167]  
专题中国科学院合肥物质科学研究院
通讯作者Li, Pengfei; Liang, Changhao
作者单位1.Huaibei Normal Univ, Coll Phys & Elect Informat, Key Lab Green & Precise Synthet Chem & Applicat, Minist Educ, Huaibei 235000, Peoples R China
2.Jiangsu Univ, Inst Energy Res, Zhenjiang 212013, Jiangsu, Peoples R China
3.Univ Sci & Technol China, Dept Mat Sci & Engn, Hefei 230026, Peoples R China
4.Anqing Normal Univ, Dept Chem & Chem Engn, Anqing 246011, Peoples R China
5.Chinese Acad Sci, Inst Solid State Phys, Anhui Key Lab Nanomat & Nanotechnol, Hefei 230031, Peoples R China
6.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
推荐引用方式
GB/T 7714		 Lv, Jiali,Hu, Taiping,Zhang, Wei,et al. Gold-Modified Mo2C Nanoparticles Supported on Nitrogen-Doped Carbon Nanotubes for Electrochemical Nitrogen Fixation[J]. ACS APPLIED NANO MATERIALS,2022,5.
APA Lv, Jiali.,Hu, Taiping.,Zhang, Wei.,Li, Wenyi.,Tian, Zhenfei.,...&Liang, Changhao.(2022).Gold-Modified Mo2C Nanoparticles Supported on Nitrogen-Doped Carbon Nanotubes for Electrochemical Nitrogen Fixation.ACS APPLIED NANO MATERIALS,5.
MLA Lv, Jiali,et al."Gold-Modified Mo2C Nanoparticles Supported on Nitrogen-Doped Carbon Nanotubes for Electrochemical Nitrogen Fixation".ACS APPLIED NANO MATERIALS 5(2022).

入库方式： OAI收割

来源：合肥物质科学研究院

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