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- Title
Solar photocatalytic abatement of pollutant over BiOBr derived from in situ synthesis of bismuth glass.
- Authors
Dong, Wenjing; Si, Yunxiang; Xie, Tianyi
- Abstract
Here, BiOBr semiconductor materials through a simple precipitation method for the degradation of Rhodamine (RhB) and Tetracycline (TC) under visible light were synthesized by different bismuth sources. Compared with Bi2O3 and Bi(NO3)3·5H2O as the bismuth source, the BiOBr photocatalytic material with 3D hierarchical structure synthesized from bismuth glass had the highest degradation efficiency of 94.17% and 70.56% for RhB and TC under visible light with 120 min illumination, attributed to high specific surface area and rich oxygen vacancies (OVs) which can provide more active sites and improve the separation efficiency of electrons and holes. The basic structure of BiOBr has been confirmed by XRD and SEM, the specific surface area of BiOBr has been explored through BET, the detection of OVs is through ESR and UV–Vis DRS was used to observe the light absorption of the photocatalyst and the recombination of electron/hole pairs was detected by photoluminescence (PL) spectrum. This work has proposed a new strategy that can be used to design effective photocatalysts for solar energy utilization and environmental purification.
- Publication
Journal of Materials Science: Materials in Electronics, 2023, Vol 34, Issue 5, p1
- ISSN
0957-4522
- Publication type
Article
- DOI
10.1007/s10854-023-09893-8