Citation: CHEN Jian-Jun, LI Yong-Yu, CUI Tian-Lu, SHI Yan, WANG Rong-Rong, LIU Xin-Ming, LIU Guo, CHEN Ke-Ke. Preparation and Properties of g-C₃N₄ Photocatalysts with Hierarchical Porous Structure[J]. Chinese Journal of Inorganic Chemistry, ;2020, 36(5): 835-840. doi: 10.11862/CJIC.2020.095 shu

Preparation and Properties of g-C₃N₄ Photocatalysts with Hierarchical Porous Structure

1.
School of Chemistry and Chemical Engineering, Zhengzhou Normal University, Zhengzhou 450044, China
2.
Department of Material and Chemical Engineering, Zhengzhou University of Light Industry, Zhengzhou 450002, China

Corresponding author: CHEN Jian-Jun, jianjunch82612@163.com
Received Date: 5 November 2019
Revised Date: 6 March 2020

Figures(10)

g-C₃N₄ with hierarchical porous structure was synthesized through a simple one-step calcination method by using monodisperse silica as a template. In comparison with the bulk g-C₃N₄, the hierarchical porous structure of g-C₃N₄ not only improved the visible light absorption performance and specific surface area, but also facilitated the separation of photogenerated electron-holes. Moreover, g-C₃N₄ with hierarchical pore structure has significantly enhanced visible light-driven photocatalytic hydrogen production activity. When the mass ratio of SiO₂ and dicyandiamine was 1:1, the obtained g-C₃N₄ (C₃N₄-2) exhibited obviously enhanced visible-light-driven photocatalytic activity for H₂ evolution, and its hydrogen production rate was nearly 18 times that of bulk g-C₃N₄.
- photocatalysis,
- g-C₃N₄,
- hierarchical porous,
- hydrogen production
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沈阳化工大学材料科学与工程学院沈阳 110142

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通讯作者: 陈斌, bchen63@163.com

Preparation and Properties of g-C₃N₄ Photocatalysts with Hierarchical Porous Structure