Journal
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
Volume 33, Issue 3, Pages 281-284Publisher
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2016.05.002
Keywords
Bi24O31Br10; Hydroiodic acid; BiOI; Heterojunction; Photocatalyst
Funding
- National Natural Science Foundation of China [51072012, 51272015]
- Ph.D. Research Startup Foundation of Henan Normal University [5101029170290]
- Australian Research Council [DP140102581]
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Bismuth-based compounds have been regarded as an important class of visible-light photocatalysts due to their special electronic structures. In this paper, iodide ions are introduced to modify bismuth-based compound, Bi24O31Br10, forming a Bi24O31Br10/BiOI heterojunction structure. A significant enhancement of photocatalytic activity compared to the parent compounds is observed in de-coloration of rhodamine B (Rh. B) solution. The improved photocatalytic property of Bi24O31Br10/BiOI heterojunction is ascribed to the unique electronic structure consisting of complementary band structures of BiOI and Bi24O31Br10. Iodide ions are regarded as an effective reagent to construct bismuth-based photocatalytic heterojunctions with improved photocatalytic activity. Copyright (C) 2017, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited.
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