Boosting P-CoMoO3/MoO2 hydrogen evolution via water molecule dissociation by MoO2 and H2 desorption by CoMoO3

Xue Yang; Liangkun Qiu; Yan Zhang; Ao Dong; Chenyang Guo; Shuo Zhang; Yunjin Song; Hongtao Gao; Tianrong Zhan

doi:10.1039/D5CC01060H

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Boosting P-CoMoO₃/MoO₂ hydrogen evolution via water molecule dissociation by MoO₂ and H₂ desorption by CoMoO₃†

Xue Yang,^ab Liangkun Qiu,^ac Yan Zhang,^d Ao Dong,^a Chenyang Guo,^a Shuo Zhang,^a Yunjin Song,^a Hongtao Gao

*^a and Tianrong Zhan*^a

Author affiliations

* Corresponding authors

^a Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science (Ministry of Education), College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, China
E-mail: gaohtao@qust.edu.cn, trzhan@qust.edu.cn

^b Hebei Minzu Normal University, Chengde 067000, China

^c Shandong Environmental Protection Development Group Science and Technology Innovation Co., Ltd, Jinan 250000, China

^d SINOPEC Qingdao Safety Engineering Institute, Qingdao 266042, China

Abstract

The P-CoMoO₃/MoO₂ heterostructure catalyst exhibits excellent HER performance. Both experimental and DFT results show that MoO₂ acts as the water-dissociation promoter, while CoMoO₃ favors hydrogen desorption. This work provides a new idea for the design of heterojunction HER catalysts.

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Article information

DOI: https://doi.org/10.1039/D5CC01060H
Article type: Communication
Submitted: 27 Feb 2025
Accepted: 26 Mar 2025
First published: 27 Mar 2025

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Chem. Commun., 2025,61, 6490-6493

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Boosting P-CoMoO₃/MoO₂ hydrogen evolution via water molecule dissociation by MoO₂ and H₂ desorption by CoMoO₃

X. Yang, L. Qiu, Y. Zhang, A. Dong, C. Guo, S. Zhang, Y. Song, H. Gao and T. Zhan, Chem. Commun., 2025, 61, 6490 DOI: 10.1039/D5CC01060H

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Chemical Communications