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Journal of Nanoparticle Research

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01-11-2018 | Research Paper

The synthesis of graphene-TiO₂/g-C₃N₄ super-thin heterojunctions with enhanced visible-light photocatalytic activities

Authors: Shuaiqi Gong, Zhengjun Jiang, Sheng Zhu, Jinchen Fan, Qunjie Xu, Yulin Min

Published in: Journal of Nanoparticle Research | Issue 11/2018

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Abstract

In this paper, an efficient strategy for the synthesis of graphene nanobelt-titanium dioxide/graphitic carbon nitride (graphene-TiO₂/g-C₃N₄) heterostructure photocatalyst was applied to fabricate a kind of visible-light-driven photocatalyst. The heterostructure shows higher absorption edge towards harvesting more solar energy compared with pure TiO₂ and pure g-C₃N₄ respectively. Furthermore, the as-prepared graphene-TiO₂/g-C₃N₄ heterostructure can show enhanced photocatalytic activity under visible-light irradiation. These outstanding performances of photocatalytic activities for graphene-TiO₂/g-C₃N₄ composites can be attributed to the heterojunction interfaces which can separate the electron-hole pairs and impede the recombination of electrons and holes more efficiently. This study conclusively demonstrates a facile and environmentally friendly new strategy to design highly efficient graphene-TiO₂/g-C₃N₄ heterostructure photocatalytic materials for potential applications under visible-light irradiation.

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Title: The synthesis of graphene-TiO2/g-C3N4 super-thin heterojunctions with enhanced visible-light photocatalytic activities
Authors: Shuaiqi Gong
Zhengjun Jiang
Sheng Zhu
Jinchen Fan
Qunjie Xu
Yulin Min
Publication date: 01-11-2018
Publisher: Springer Netherlands
Published in: Journal of Nanoparticle Research / Issue 11/2018
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI: https://doi.org/10.1007/s11051-018-4399-8

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