Single-Atom Underpotential Deposition at Specific Sites of N-Doped Graphene for Hydrogen Evolution Reaction Electrocatalysis.

Haofei Wu, Qiwen Zhang, Shufen Chu, Hao Du, Yanyue Wang, Pan Liu

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Article in Materials (Basel, Switzerland), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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Authors and funding

6 authors.

Haofei WuState Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.ORCID 0000-0002-1183-8138

Qiwen ZhangState Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.

Shufen ChuNational Engineering Research Center of Light Alloy Net Forming and State Key Laboratory of Metal Matrix Composite, Shanghai Jiao Tong University, Shanghai 200240, China.

Hao DuShanghai Jiao Tong University-JA Solar New Energy Materials Joint Research Center, Shanghai 200240, China.

Yanyue WangShanghai Jiao Tong University-JA Solar New Energy Materials Joint Research Center, Shanghai 200240, China.

Pan LiuState Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.ORCID 0000-0002-4063-9605

Funding

National Natural Science Foundation of China 52130105National Natural Science Foundation of China 52173224Natural Science Foundation of Shanghai 23ZR1431500

6 · The paper itself

Abstract

Single-atom catalysts (SACs) have the advantages of good active site uniformity, high atom utilization, and high catalytic activity. However, the study of its controllable synthesis still needs to be thoroughly investigated. In this paper, we deposited Cu SAs on nanoporous N-doped graphene by underpotential deposition and further obtained a Pt SAC by a galvanic process. Electrochemical and spectroscopic analyses showed that the pyridine-like N defect sites are the specific sites for the underpotential-deposited SAs. The obtained Pt SAC exhibits a good activity in a hydrogen evolution reaction with a turnover frequency of 25.1 s

Indexed as

hydrogen evolution reactionN-doped graphenesingle-atom catalystunderpotential deposition

Identifiers

PMID39459787

DOI10.3390/ma17205082

PMCPMC11509329

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