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Open AccessArticle

Novel Bi3O5I2 Hollow Microsphere and Its Enhanced Photocatalytic Activity

Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, China
University of the Chinese Academy of Sciences, Beijing 100049, China
Author to whom correspondence should be addressed.
Catalysts 2019, 9(9), 709;
Received: 29 July 2019 / Revised: 19 August 2019 / Accepted: 22 August 2019 / Published: 24 August 2019
A new type of I-deficient bismuth oxyiodide Bi3O5I2 with a hollow morphology was prepared by the solvothermal process. The structure, composition, morphology, optical property and photoelectric property of the as prepared photocatalyst were investigated through some characterization methods. Those characterization results showed that Bi3O5I2 displayed a larger specific surface area, promising band structure and lower recombination of photoinduced carriers than pure BiOI. Bi3O5I2 had a higher photocatalytic activity than BiOI on the decomposition of methyl orange (MO) under simulated solar light irradiation. The superoxide (·O2) and hole (h+) were the dominating active species during the degradation of MO. Its stability and reusability performance showed its great promising application in the degradation of organic pollutant. View Full-Text
Keywords: Bi3O5I2; BiOI; hollow structure; photocatalysts; MO degradation Bi3O5I2; BiOI; hollow structure; photocatalysts; MO degradation
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MDPI and ACS Style

Cui, B.; Cui, H.; Li, Z.; Dong, H.; Li, X.; Zhao, L.; Wang, J. Novel Bi3O5I2 Hollow Microsphere and Its Enhanced Photocatalytic Activity. Catalysts 2019, 9, 709.

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