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A novel In_2O_3/Bi_(24)O_(31)Br_(10) composite photocatalyst, where In_2O_3 nanoparticles with the diameter of about 5~10 nm were tightly attached on the surface of Bi_(24)O_(31)Br_(10) plates, was prepared by using hydrolysis, impregnation method and post-thermal process. Photocatalytic activity was evaluated by the degradation of Rhodamine B under the visible light irradiation. Effects of the contents of In_2O_3 nanoparticles on the optical property and photocatalytic activity of In_2O_3/Bi_(24)O_(31)Br_(10) composite were also investigated. Compared with neat In_2O_3 and Bi_(24)O_(31)Br_(10) materials, 15 In_2O_3/Bi_(24)O_(31)Br_(10) composite exhibits the best photocatalytic activity owing to the efficient separation of photogenerated electron and hole pairs, which is evidenced by photoluminence spectra. More than 95% of Rhodamine B solution can be degraded by 15 In_2O_3/Bi_(24)O_(31)Br_(10) sample in 30 min. 相似文献
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