Novel CaBi6O10 photocatalyst for methylene blue degradation under visible light irradiation
Novel CaBi6O10 photocatalyst for methylene blue degradation under visible light irradiation
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新型CaBi6O10光催化剂在可见光照射下降解亚甲基蓝
DOI:
10.1016/j.catcom.2011.12.011
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发表时间:
2012-02
影响因子:
3.7
通讯作者:
Zhao, Leihong
中科院分区:
文献类型:
--
作者:
Wang, Yongjiao;He, Yiming;Li, Tingting;Cai, Jun;Luo, Mengfei;Zhao, Leihong
A novel photocatalyst CaBi6O10with flower-like morphology was prepared by a simple impregnation–calcination method and investigated by techniques such as XRD, Raman, SEM, BET, DRS, and density function theory (DFT). Results reveal that CaBi6O10is responsive to visible light below 537nm (Eg=2.31eV). In addition, CaBi6O10presents broader conduction band than Bi2O3, which favors the mobility of photo-generated electrons in CaBi6O10and contributes positively to the photocatalytic reaction. The good photoabsorption and the special electron structure were considered as the origin of the high activity of CaBi6O10in methylene blue photodegradation.
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