Anchoring zero valence single atoms of nickel and iron on graphdiyne for hydrogen evolution

Yurui Xue, Bolong Huang, Yuanping Yi, Yuan Guo, Zicheng Zuo, Yongjun Li, Zhiyu Jia, Huibiao Liu and Yuliang Li ()
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Yurui Xue: The Chinese Academy of Sciences
Bolong Huang: The Hong Kong Polytechnic University—Hung Hom
Yuanping Yi: The Chinese Academy of Sciences
Yuan Guo: The Chinese Academy of Sciences
Zicheng Zuo: The Chinese Academy of Sciences
Yongjun Li: The Chinese Academy of Sciences
Zhiyu Jia: The Chinese Academy of Sciences
Huibiao Liu: The Chinese Academy of Sciences
Yuliang Li: The Chinese Academy of Sciences

Nature Communications, 2018, vol. 9, issue 1, 1-10

Abstract: Abstract Electrocatalysis by atomic catalysts is a major focus of chemical and energy conversion effort. Although transition-metal-based bulk electrocatalysts for electrochemical application on energy conversion processes have been reported frequently, anchoring the stable transition-metal atoms (e.g. nickel and iron) still remains a practical challenge. Here we report a strategy for fabrication of ACs comprising only isolated nickel/iron atoms anchored on graphdiyne. Our findings identify the very narrow size distributions of both nickel (1.23 Å) and iron (1.02 Å), typical sizes of single-atom nickel and iron. The precision of this method motivates us to develop a general approach in the field of single-atom transition-metal catalysis. Such atomic catalysts have high catalytic activity and stability for hydrogen evolution reactions.

Date: 2018
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DOI: 10.1038/s41467-018-03896-4

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