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Oxygen Vacancy-Enhanced Ultrathin Bi~2~O~3~–Bi~2~WO~6~ Nanosheets’ Photocatalytic Performances under Visible Light Irradiation by Jinwu Bai; Xiaolei Ren; Xue Chen; Peng Lu; Min Fu is a Materials Science article available to read on EtoBox.

What is Oxygen Vacancy-Enhanced Ultrathin Bi~2~O~3~–Bi~2~WO~6~ Nanosheets’ Photocatalytic Performances under Visible Light Irradiation about?

The oxygen vacancy caused by ultrathin structures would be introduced into the semiconductor photocatalyst to boost its photocatalytic activity. Herein, ultrathin Bi 2 O 3 -Bi 2 WO 6 nanosheet composites have been successfully synthesized via a facile hydrothermal method. Compared to pure Bi 2 WO 6 nanosheets, the Bi 2 O 3 -Bi 2 WO 6 nanosheet composites possess abundant oxygen vacancies, which was confirmed by the positron annihilation spectra. The ultrathin Bi 2 O 3 -Bi 2 WO 6 nanosheet composites exhibited remarkable photocatalytic degradation performance for oxytetracycline compared with that of pure Bi 2 WO 6 nanosheets. The excellent photocatalytic activities of Bi 2 O 3 -Bi 2 WO 6 composites could be attributed to the heterojunction structure and the oxygen vacancies caused by ultrathin structures.

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Author

Jinwu Bai; Xiaolei Ren; Xue Chen; Peng Lu; Min Fu

Publisher

American Chemical Society (ACS)

Published

2021

Language

EN

Field

Materials Science (Physical Sciences)