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Issue 26, 2020
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A facile synthesis of a highly efficient β-Bi2O3/Bi2O2CO3 heterojunction with enhanced photocatalytic NO oxidation under visible light

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Abstract

The construction of a β-Bi2O3/Bi2O2CO3 heterojunction is an effective approach to separate the photogenerated charge carriers and to improve the photocatalytic performance of the semiconductor photocatalysts. In this study, a composite nanosheet of β-Bi2O3/Bi2O2CO3 was fabricated via an in situ annealing of Bi2O2CO3 at 380 °C. The composite showed an excellent adsorption toward NO and an enhanced photocatalytic efficiency over NO oxidation from 5.7 v/v% (bare Bi2O2CO3) to 32.5 v/v% (β-Bi2O3/Bi2O2CO3). Furthermore, the presence of the β-Bi2O3/Bi2O2CO3 heterojunction promoted the formation of additional ˙O2, and then improved the NO oxidation activity and safety of BOC in conjunction with ˙OH.

Graphical abstract: A facile synthesis of a highly efficient β-Bi2O3/Bi2O2CO3 heterojunction with enhanced photocatalytic NO oxidation under visible light

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Supplementary files

Article information


Submitted
17 Mar 2020
Accepted
26 May 2020
First published
18 Jun 2020

New J. Chem., 2020,44, 10989-10993
Article type
Paper

A facile synthesis of a highly efficient β-Bi2O3/Bi2O2CO3 heterojunction with enhanced photocatalytic NO oxidation under visible light

Y. Hao, Z. Deng, Z. Zhao and X. Song, New J. Chem., 2020, 44, 10989
DOI: 10.1039/D0NJ01325K

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