Ultralow-temperature photochemical synthesis of atomically dispersed Pt catalysts for the hydrogen evolution reaction
文献类型：期刊论文
| 作者 | Wei, HH; Wu, HB; Huang, K; Ge, BH; Ma, JY; Lang, JL; Zu, D; Lei, M; Yao, YG; Guo, W |
| 刊名 | CHEMICAL SCIENCE
 |
| 出版日期 | 2019 |
| 卷号 | 10期号:9页码:2830—2836 |
| 关键词 | SINGLE-ATOM CO OXIDATION NUCLEATION PLATINUM GROWTH GRAPHENE SURFACE MECHANISMS EFFICIENT SITES |
| ISSN号 | 2041-6520 |
| DOI | 10.1039/c8sc04986f |
| 文献子类 | 期刊论文 |
| 英文摘要 | Efficient control of nucleation is a prerequisite for the solution-phase synthesis of nanocrystals. Although the thermodynamics and kinetics of the formation of metal nanoparticles have been largely investigated, fully suppressing the nucleation in solution synthesis remains a major challenge due to the high surface free energy of isolated atoms. In this article, we largely decreased the reaction temperature for ultraviolet (UV) photochemical reduction of H2PtCl6 solution to -60 degrees C and demonstrated such a method as a fast and convenient process for the synthesis of atomically dispersed Pt. We showed that the ultralow-temperature reaction efficiently inhibited the nucleation process by controlling its thermodynamics and kinetics. Compared with commercial platinum/carbon, the synthesized atomically dispersed Pt catalyst, as a superior HER catalyst, exhibited a lower overpotential of approximately 55 mV at a current density of 100 mA cm(-2) and a lower Tafel slope of 26 mV dec(-1) and had higher stability in 0.5 M H2SO4. |
| 语种 | 英语 |
| 源URL | [http://ir.sinap.ac.cn/handle/331007/31893]  |
| 专题 | 上海应用物理研究所_中科院上海应用物理研究所2011-2017年 |
| 作者单位 | 1.Tsinghua Univ, Sch Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China; 2.Beijing Inst Technol, Sch Phys, 5 South Zhongguancun St, Beijing 100081, Peoples R China; 3.Chinese Acad Sci, Inst Phys, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China; 4.Anhui Univ, Inst Phys Sci & Informat Technol, Hefei 230601, Anhui, Peoples R China; 5.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai Synchrotron Radiat Facil, Shanghai 201204, Peoples R China; 6.Beijing Univ Posts & Telecommun, State Key Lab Informat Photon & Opt Commun, Beijing 100876, Peoples R China; 7.Beijing Univ Posts & Telecommun, Sch Sci, Beijing 100876, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wei, HH,Wu, HB,Huang, K,et al. Ultralow-temperature photochemical synthesis of atomically dispersed Pt catalysts for the hydrogen evolution reaction[J]. CHEMICAL SCIENCE,2019,10(9):2830—2836. |
| APA | Wei, HH.,Wu, HB.,Huang, K.,Ge, BH.,Ma, JY.,...&Wu, H.(2019).Ultralow-temperature photochemical synthesis of atomically dispersed Pt catalysts for the hydrogen evolution reaction.CHEMICAL SCIENCE,10(9),2830—2836. |
| MLA | Wei, HH,et al."Ultralow-temperature photochemical synthesis of atomically dispersed Pt catalysts for the hydrogen evolution reaction".CHEMICAL SCIENCE 10.9(2019):2830—2836. |
入库方式： OAI收割
来源：上海应用物理研究所
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