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Issue 41, 2020
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Synthesis of a novel one-dimensional Bi2O2CO3–BiOCl heterostructure and its enhanced photocatalytic activity

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Abstract

Herein, a novel one-dimensional Bi2O2CO3–BiOCl heterostructure was synthesized via a hydrothermal method. For the first time, organic solvent CH2Cl2 was used as the Cl source and reaction solvent, and a new one-dimensional Bi2O2CO3 porous rod was used as the Bi source. BiOCl nanosheets uniformly and vertically grew onto the Bi2O2CO3 porous rod by crystallographic oriented epitaxial nucleation and growth, which provides the smallest penetration barrier for photo-generated charge carrier transfer at junctions due to the formation of high-quality interfaces between Bi2O2CO3 and BiOCl. Bi2O2CO3–BiOCl displays higher photocatalytic activity than Bi2O2CO3 porous rods and BiOCl nanosheets to degrade Rhodamine B (RhB), salicylic acid (SA) and phenol. This enhanced photocatalytic activity is attributed to the synergistic effect of the following factors: the formation of a high-quality interface between Bi2O2CO3 and BiOCl, suitable band alignment of Bi2O2CO3 and BiOCl, and one-dimensional ordered nanostructure. A novel route is offered in this work to synthesize a one-dimensional Bi2O2CO3–BiOCl heterostructure with high-quality interface.

Graphical abstract: Synthesis of a novel one-dimensional Bi2O2CO3–BiOCl heterostructure and its enhanced photocatalytic activity

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Supplementary files

Article information


Submitted
12 Aug 2020
Accepted
23 Sep 2020
First published
23 Sep 2020

CrystEngComm, 2020,22, 6822-6830
Article type
Paper

Synthesis of a novel one-dimensional Bi2O2CO3–BiOCl heterostructure and its enhanced photocatalytic activity

Y. Peng, Q. Zhang and P. Kan, CrystEngComm, 2020, 22, 6822
DOI: 10.1039/D0CE01181A

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