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Cited by 496

The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.

CoP Nanoframes as Bifunctional Electrocatalysts for Efficient Overall Water Splitting

Open access
Ji, Lvlv, Wang, Jianying, Teng, Xue, Meyer, Thomas J., Chen, Zuofeng·2020·ACS Catalysis
DOI 10.1021/acscatal.9b03623
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Abstract

Abstract Transition-metal phosphides have been shown to be promising electrocatalysts in water for both hydrogen evolution reaction (HER) and oxygen evolution reaction (OER). To maximize reactivity toward both entails limiting the catalyst size while maintaining reactivity and avoiding aggregation. Frame-like hollow nanostructures (nanoframes) provide the required open structure with sufficient channels into the interior volume. We demonstrate here the design and synthesis of CoP nanoframes (CoP NFs) by a strategy involving precipitation, chemical etching, and low-temperature phosphidation steps. It results in impressive bifunctional catalytic activities for both HER and OER and consequently enables a highly efficient water electrolyzer with a current density of 10 mA cm–2 driven by a cell voltage of only 1.65 V. The strategy has been generalized for the preparation of nanoframe Co dichalcogenides CoX2 NFs, with X = S, Se, and Te. The results of electrochemical measurements, supported by density functional theory calculations, show that HER catalytic activities for the series follow the sequence: CoP NFs > CoSe2 NFs > CoS2 NFs > CoTe2 NFs.

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Citations

Cites

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Metadata

Authors
Ji, L., Wang, J., Teng, X., Meyer, T. J., & Chen, Z.
Venue
ACS Catalysis
Publisher
American Chemical Society (ACS)
Published
2019-11-26
Volume
10
Issue
1
Pages
412-419
ISSN
2155-5435 (ISSN-L)
DOI
10.1021/acscatal.9b03623
OpenAlex
W2989983181
Cited by
496
References
6
FWCI
13.24
Type
journal article
Language
en
Open access
hybrid
Licence
pubs.acs.org/page/policy/authorchoice_termsofuse.html (vor, 25 d)
Funders
  • National Natural Science Foundation of China (21573160, 21872105, 51703166)
  • Ministry of Education of the People's Republic of China (NA)
  • Science and Technology Commission of Shanghai Municipality (14DZ2261100)
  • Natural Science Foundation of Zhejiang Province (LQ20B030001)

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