A noble-metal-free MoS2 nanosheet-coupled MAPbI3 photocatalyst for efficient and stable visible-light-driven hydrogen evolution

Fang Wang; Xiangyu Liu; Zhengguo Zhang; Shixiong Min

doi:10.1039/D0CC00095G

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A noble-metal-free MoS₂ nanosheet-coupled MAPbI₃ photocatalyst for efficient and stable visible-light-driven hydrogen evolution†

Fang Wang,^abc Xiangyu Liu,^abc Zhengguo Zhang^abc and Shixiong Min

*^abc

Author affiliations

* Corresponding authors

^a School of Chemistry and Chemical Engineering, Key Laboratory of Electrochemical Energy Conversion Technology and Application, North Minzu University, Yinchuan, P. R. China
E-mail: sxmin@nun.edu.cn

^b Key Laboratory of Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan, P. R. China

^c Ningxia Key Laboratory of Solar Chemical Conversion Technology, North Minzu University, Yinchuan, P. R. China

Abstract

We report that MoS₂ nanosheets (MoS₂ NSs) as a cocatalyst in situ coupled with MAPbI₃ lead to a highly efficient composite photocatalyst for visible-light-driven photocatalytic H₂ evolution. The most efficient MAPbI₃/MoS₂ NSs composite exhibits a high H₂ evolution rate (206.1 μmol h⁻¹) in MAPbI₃-saturated HI solution, which is 121 times higher than that of pristine MAPbI₃ (1.7 μmol h⁻¹) and greatly superior to that of MAPbI₃/Pt/C (68.5 μmol h⁻¹), and the composite is very stable for H₂ evolution in a 156 h reaction.

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Article information

DOI: https://doi.org/10.1039/D0CC00095G
Article type: Communication
Submitted: 06 Jan 2020
Accepted: 10 Feb 2020
First published: 10 Feb 2020

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Chem. Commun., 2020,56, 3281-3284

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A noble-metal-free MoS₂ nanosheet-coupled MAPbI₃ photocatalyst for efficient and stable visible-light-driven hydrogen evolution

F. Wang, X. Liu, Z. Zhang and S. Min, Chem. Commun., 2020, 56, 3281 DOI: 10.1039/D0CC00095G

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