MoSe2/g-C3N4 heterojunction coupled with Pt nanoparticles for enhanced photocatalytic hydrogen evolution

Zengcai Guo; Yuanxiang Zhao; Hongwei Shi; Xu Yuan; Wenlong Zhen; Lixin He; Hongwei Che; Can Xue; Jingbo Mu

doi:10.1016/j.jpcs.2021.110137

MoSe₂/g-C₃N₄ heterojunction coupled with Pt nanoparticles for enhanced photocatalytic hydrogen evolution

Zengcai Guo, Yuanxiang Zhao, Hongwei Shi, Xu Yuan, Wenlong Zhen, Lixin He^*, Hongwei Che, Can Xue^*, Jingbo Mu^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

24 Citations (Scopus)

Abstract

The inefficiency of charge separation is the major practically limited factor towards high hydrogen evolution reaction (HER) of photocatalysts. Therefore, design and construction of efficient photocatalysts system with efficient charge transfer path is urgently necessary for HER. Herein, we report an effective strategy to construct Pt–MoSe₂/g-C₃N₄ heterostructure through integrating facile solvothermal technique and solution-phase hybridization method. The synthesized ternary Pt–MoSe₂/g-C₃N₄ heterostructures exhibit greatly enhanced photocatalytic hydrogen production than bare g-C₃N₄ and Pt/g-C₃N₄ catalyst. The enhancement factor is directly correlated with strong photosynergistic effect of charge-carrier generation and separation path coupling heterojunction sensitization on MoSe₂/g-C₃N₄ with Pt nanoparticle. Moreover, the mechanism of enhanced catalytic activity is fully studied by electrochemical characterizations and photocurrent analysis.

Original language	English
Article number	110137
Journal	Journal of Physics and Chemistry of Solids
Volume	156
DOIs	https://doi.org/10.1016/j.jpcs.2021.110137
Publication status	Published - Sept 2021
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2021 Elsevier Ltd

ASJC Scopus Subject Areas

General Chemistry
General Materials Science
Condensed Matter Physics

Keywords

G-CN
MoSe
Photocatalytic hydrogen evolution
Semiconductor photocatalysts

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1016/j.jpcs.2021.110137

Cite this

@article{673de092feb748c6981354d327bf4d3b,

title = "MoSe2/g-C3N4 heterojunction coupled with Pt nanoparticles for enhanced photocatalytic hydrogen evolution",

abstract = "The inefficiency of charge separation is the major practically limited factor towards high hydrogen evolution reaction (HER) of photocatalysts. Therefore, design and construction of efficient photocatalysts system with efficient charge transfer path is urgently necessary for HER. Herein, we report an effective strategy to construct Pt–MoSe2/g-C3N4 heterostructure through integrating facile solvothermal technique and solution-phase hybridization method. The synthesized ternary Pt–MoSe2/g-C3N4 heterostructures exhibit greatly enhanced photocatalytic hydrogen production than bare g-C3N4 and Pt/g-C3N4 catalyst. The enhancement factor is directly correlated with strong photosynergistic effect of charge-carrier generation and separation path coupling heterojunction sensitization on MoSe2/g-C3N4 with Pt nanoparticle. Moreover, the mechanism of enhanced catalytic activity is fully studied by electrochemical characterizations and photocurrent analysis.",

keywords = "G-CN, MoSe, Photocatalytic hydrogen evolution, Semiconductor photocatalysts",

author = "Zengcai Guo and Yuanxiang Zhao and Hongwei Shi and Xu Yuan and Wenlong Zhen and Lixin He and Hongwei Che and Can Xue and Jingbo Mu",

note = "Publisher Copyright: {\textcopyright} 2021 Elsevier Ltd",

year = "2021",

month = sep,

doi = "10.1016/j.jpcs.2021.110137",

language = "English",

volume = "156",

journal = "Journal of Physics and Chemistry of Solids",

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TY - JOUR

T1 - MoSe2/g-C3N4 heterojunction coupled with Pt nanoparticles for enhanced photocatalytic hydrogen evolution

AU - Guo, Zengcai

AU - Zhao, Yuanxiang

AU - Shi, Hongwei

AU - Yuan, Xu

AU - Zhen, Wenlong

AU - He, Lixin

AU - Che, Hongwei

AU - Xue, Can

AU - Mu, Jingbo

PY - 2021/9

Y1 - 2021/9

N2 - The inefficiency of charge separation is the major practically limited factor towards high hydrogen evolution reaction (HER) of photocatalysts. Therefore, design and construction of efficient photocatalysts system with efficient charge transfer path is urgently necessary for HER. Herein, we report an effective strategy to construct Pt–MoSe2/g-C3N4 heterostructure through integrating facile solvothermal technique and solution-phase hybridization method. The synthesized ternary Pt–MoSe2/g-C3N4 heterostructures exhibit greatly enhanced photocatalytic hydrogen production than bare g-C3N4 and Pt/g-C3N4 catalyst. The enhancement factor is directly correlated with strong photosynergistic effect of charge-carrier generation and separation path coupling heterojunction sensitization on MoSe2/g-C3N4 with Pt nanoparticle. Moreover, the mechanism of enhanced catalytic activity is fully studied by electrochemical characterizations and photocurrent analysis.

AB - The inefficiency of charge separation is the major practically limited factor towards high hydrogen evolution reaction (HER) of photocatalysts. Therefore, design and construction of efficient photocatalysts system with efficient charge transfer path is urgently necessary for HER. Herein, we report an effective strategy to construct Pt–MoSe2/g-C3N4 heterostructure through integrating facile solvothermal technique and solution-phase hybridization method. The synthesized ternary Pt–MoSe2/g-C3N4 heterostructures exhibit greatly enhanced photocatalytic hydrogen production than bare g-C3N4 and Pt/g-C3N4 catalyst. The enhancement factor is directly correlated with strong photosynergistic effect of charge-carrier generation and separation path coupling heterojunction sensitization on MoSe2/g-C3N4 with Pt nanoparticle. Moreover, the mechanism of enhanced catalytic activity is fully studied by electrochemical characterizations and photocurrent analysis.

KW - G-CN

KW - MoSe

KW - Photocatalytic hydrogen evolution

KW - Semiconductor photocatalysts

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