Electrochemical conversion of bulk platinum into platinum single-atom sites for the hydrogen evolution reaction

被引：48
|
作者：
Wang, Zhiyuan [1 ,2 ]
Yang, Jia [1 ]
Gan, Jie [3 ]
Chen, Wenxing [4 ]
Zhou, Fangyao [1 ]
Zhou, Xiao [1 ]
Yu, Zhenqiang [2 ]
Zhu, Junfa [5 ]
Duan, Xuezhi [3 ]
Wu, Yuen [1 ]
机构：
[1] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Collaborat Innovat Ctr Chem Energy Mat iChEM, Sch Chem & Mat Sci,Natl Synchrotron Radiat Lab, Hefei 230026, Anhui, Peoples R China
[2] Shenzhen Univ, Sch Chem & Environm Engn, Inst Low Dimens Mat Genome Initiat, Shenzhen 518060, Peoples R China
[3] East China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China
[4] Beijing Inst Technol, Beijing Key Lab Construct Tailorable Adv Funct Ma, Sch Mat Sci & Engn, Beijing 100081, Peoples R China
[5] Univ Sci & Technol China, Natl Synchrotron Radiat Lab NSRL, Hefei 230026, Peoples R China
来源：
JOURNAL OF MATERIALS CHEMISTRY A | 2020年 / 8卷 / 21期
基金：
中国博士后科学基金; 中国国家自然科学基金; 国家重点研发计划;
关键词：
STABLE SINGLE; COBALT ATOMS; OXYGEN; REDUCTION; EFFICIENT; GRAPHENE; CARBON; COORDINATION; CATALYSIS; OXIDATION;
D O I：
10.1039/d0ta02351e
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Herein, we report a convenient and controllable electroplating strategy to fabricate single-atom site catalysts directly from bulk metals with the assistance of graphene oxide membrane (GOM) under mild and ambient conditions. With the regulation of the GOM, the diffusion rate and the concentration of metal ions around the working electrode are efficiently decreased; consequently, the growth of nuclei and aggregation of atoms are successfully prevented. The synthesized Pt-SAs/C not only exhibits an outstanding electrocatalytic activity towards the hydrogen evolution reaction (HER), but also an excellent photocatalytic activity for water splitting with CdS as the photosensitizer under visible-light irradiation. This work provides an efficient strategy for developing single-atom site catalysts towards hydrogen production.
引用
收藏
页码：10755 / 10760
页数：6
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