MoS2 quantum dot decorated g-C3N4 composite photocatalyst with enhanced hydrogen evolution performance

Xixiong Jin; Xiangqian Fan; Jianjian Tian; Ruolin Cheng; Mengli Li; Lingxia Zhang

doi:10.1039/C6RA07060D

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MoS₂ quantum dot decorated g-C₃N₄ composite photocatalyst with enhanced hydrogen evolution performance†

Xixiong Jin,^ab Xiangqian Fan,^ab Jianjian Tian,^ab Ruolin Cheng,^ab Mengli Li^ab and Lingxia Zhang*^ab

Author affiliations

* Corresponding authors

^a State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, 1295 Ding-xi Road, Shanghai 200050, People's Republic of China
E-mail: zhlingxia@mail.sic.ac.cn

^b University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, People's Republic of China

Abstract

A novel MoS₂ quantum dot (QD) decorated g-C₃N₄ (MoS₂-QDs/CN) heterostructured photocatalyst has been synthesized via a simple wetness impregnation method. The as-prepared MoS₂-QDs/CN composite exhibited strong absorption in the visible light region. Its photocatalytic activity on hydrogen evolution was evaluated by splitting water under visible light irradiation (λ > 420 nm). The highest H₂ yield of 19.66 μmol h⁻¹ was achieved on 50 mg 1 wt% MoS₂-QDs/CN photocatalyst (loaded with 1 wt% Pt), which was 6.6 and 1.84 times those on pure g-C₃N₄ and 1 wt% Pt loaded g-C₃N₄, respectively.

This article is part of the themed collection: 2D Materials: Explorations Beyond Graphene

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Article information

DOI: https://doi.org/10.1039/C6RA07060D
Article type: Paper
Submitted: 17 Ube 2016
Accepted: 24 Mot 2016
First published: 26 Mot 2016

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RSC Adv., 2016,6, 52611-52619

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MoS₂ quantum dot decorated g-C₃N₄ composite photocatalyst with enhanced hydrogen evolution performance

X. Jin, X. Fan, J. Tian, R. Cheng, M. Li and L. Zhang, RSC Adv., 2016, 6, 52611 DOI: 10.1039/C6RA07060D

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