Abstract
Abstract A novel photocatalyst CaBi 6 O 10 with 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 CaBi 6 O 10 is responsive to visible light below 537 nm (E g = 2.31 eV). In addition, CaBi 6 O 10 presents broader conduction band than Bi 2 O 3 , which favors the mobility of photo-generated electrons in CaBi 6 O 10 and contributes positively to the photocatalytic reaction. The good photoabsorption and the special electron structure were considered as the origin of the high activity of CaBi 6 O 10 in methylene blue photodegradation.
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