articleAdvanced Functional MaterialsJan 30, 2012Closed access

Dramatic Activity of C 3 N 4 /BiPO 4 Photocatalyst with Core/Shell Structure Formed by Self‐Assembly

CPChengsi PanJXJing XuYWYajun WangDLDi LiYZYongfa Zhu

Tsinghua University

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Abstract

Abstract Core/shell structured C 3 N 4 /BiPO 4 photocatalyst is fabricated via a facile ultrasonic dispersion method. The thickness of the shell may be controlled by tuning the amount of C 3 N 4 in the dispersion, which determines the enhanced level of photocatalytic activity. The optimum photocatalytic activity of C 3 N 4 /BiPO 4 at a weight ratio of 4% (C 3 N 4 /BiPO 4 ) under UV irradiation is almost 4.5 times as high as that of reference P25 (TiO 2 ) and 2.5 times of BiPO 4 . More attractively, the dramatic visible light photocatalytic activity is generated due to the C 3 N 4 loaded. The enhancement in performance is demonstrated to be the match of lattice and energy level between the C 3 N 4 and BiPO 4 .…

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Topics & keywords

Topics
Keywords
  • Photocatalysis
  • Materials science
  • Heterojunction
  • Dispersion (optics)
  • Irradiation
  • Shell (structure)
  • Chemical engineering
  • Lattice (music)
UN Sustainable Development Goals
  • Affordable and clean energy
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