Journal
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
Volume 13, Issue 2, Pages 919-923Publisher
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2013.5972
Keywords
High Quality Film; BiOCI; Petal-Like Structure; Link Layer of Chromium; Visble-Light Photocatalysis
Categories
Funding
- NSFC [10974037]
- NBRPC [2010CB934102]
- International S&T Cooperation Program [2010DFA51970]
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BiOCI film with petal-like hierarchical structures is obtained by dipping bismuth film into the mixed solution of H2O2 and HCI. To obtain a high quality BiOCI film, a connecting layer of Chromium is deposited between the substrate and Bismuth film. The product is easy-synthesized, high productive, reusable and environment-friendly. The structural analysis indicates that the BiOCI film is composed by petals with smooth surfaces, and the nanopetals grow along the < 101 > directions. Raman spectroscopy shows that the film has a good stress-resist feature. The PL spectrum shows that the defect energy levels of BiOCI nanostructure contribute to the excellent photoactivity of degradation the rhodamine B (RhB) under visible-light irradiation (lambda > 420 nm). This photocatalyst can keep stable photoactivity after it has been reused for 6 rounds. All those properties ensure the photocatalyst a bright future in the application of the pollution treatment.
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