期刊
MATERIALS LETTERS
卷 155, 期 -, 页码 23-26出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.matlet.2015.04.108
关键词
Nanocomposites; MnCO3; Semiconductor; Visible-light-active photocatalyst; IFCT
资金
- Science & Technology Research Project of Henan province [142300410117, 12A150003, 15A150040, 132300410143]
Here, a novel visible-light-driven photocatalyst MnCO3/TiO2 heterostructure nanocomposite has been prepared via a precipitation method. The synthesized MnCO3/TiO2 exhibited superior activity for the degradation of propylene under visible light compared to bare P25 TiO2 and pure MnCO3. This high visible light activity is due to the interfacial charge transfer (IFCT) from the MnCO3 to the conduction band of TiO2. After repeated cycles of photo-oxidation of propylene, the photocatalytic behavior of MnCO3/TiO2 exhibited no loss of activity. This work provides new perspective to fabricate visible-lightactive photocatalyst by use of IFCT effect between carbonate and semiconductor. (C) 2015 Elsevier B.V. All rights reserved.
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