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Single Tungsten Atoms Supported on MOF-Derived N-Doped Carbon for Robust Electrochemical Hydrogen Evolution
文献类型：期刊论文
| 作者 | Cheong, WC; Chen, WX; Pei, JJ; He, CT; Wan, JW; Ren, HL ; Wang, Y; Dong JC(董俊才); Li, YD; Wang, DS
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| 刊名 | ADVANCED MATERIALS
 |
| 出版日期 | 2018 |
| 卷号 | 30期号:30页码:1800396 |
| 关键词 | electrocatalysts hydrogen evolution reaction metal-organic frameworks N-doped carbon single W atoms |
| ISSN号 | 0935-9648 |
| DOI | 10.1002/adma.201800396 |
| 文献子类 | Article |
| 英文摘要 | Tungsten-based catalysts are promising candidates to generate hydrogen effectively. In this work, a single-W-atom catalyst supported on metal-organic framework (MOF)-derived N-doped carbon (W-SAC) for efficient electrochemical hydrogen evolution reaction (HER), with high activity and excellent stability is reported. High-angle annular dark-field scanning transmission electron microscopy (HAADF-STEM) and X-ray absorption fine structure (XAFS) spectroscopy analysis indicate the atomic dispersion of the W species, and reveal that the W1N1C3 moiety may be the favored local structure for the W species. The W-SAC exhibits a low overpotential of 85 mV at a current density of 10 mA cm(-2) and a small Tafel slope of 53 mV dec(-1), in 0.1 m KOH solution. The HER activity of the W-SAC is almost equal to that of commercial Pt/C. Density functional theory (DFT) calculation suggests that the unique structure of the W1N1C3 moiety plays an important role in enhancing the HER performance. This work gives new insights into the investigation of efficient and practical W-based HER catalysts. |
| 电子版国际标准刊号 | 1521-4095 |
| WOS关键词 | METAL-ORGANIC FRAMEWORKS ; OXYGEN REDUCTION ; CARBIDE NANOPARTICLES ; EFFICIENT ; CATALYSTS ; ELECTROCATALYST ; CONVERSION ; GRAPHENE ; SITES ; ULTRASMALL |
| WOS研究方向 | Chemistry ; Science & Technology - Other Topics ; Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000439737700008 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/286148]  |
| 专题 | 高能物理研究所_多学科研究中心 高能物理研究所_实验物理中心 高能物理研究所_管理与技术支持 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Cheong, WC,Chen, WX,Pei, JJ,et al. Single Tungsten Atoms Supported on MOF-Derived N-Doped Carbon for Robust Electrochemical Hydrogen Evolution[J]. ADVANCED MATERIALS,2018,30(30):1800396. |
| APA | Cheong, WC.,Chen, WX.,Pei, JJ.,He, CT.,Wan, JW.,...&Dong, JC.(2018).Single Tungsten Atoms Supported on MOF-Derived N-Doped Carbon for Robust Electrochemical Hydrogen Evolution.ADVANCED MATERIALS,30(30),1800396. |
| MLA | Cheong, WC,et al."Single Tungsten Atoms Supported on MOF-Derived N-Doped Carbon for Robust Electrochemical Hydrogen Evolution".ADVANCED MATERIALS 30.30(2018):1800396. |
入库方式： OAI收割
来源：高能物理研究所
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