期刊
APPLIED CATALYSIS B-ENVIRONMENTAL
卷 204, 期 -, 页码 465-474出版社
ELSEVIER
DOI: 10.1016/j.apcatb.2016.11.013
关键词
Photocatalytic oxidation; Hg-0; BiOIO3; BiOI; Heterostructure
资金
- NSF (Natural Science Foundation) [21237003, 50806041, 51106133, 51606115]
- Shanghai Science and Technology Development [15dz1200703, 11dz1203402, 15110501000]
Hetero layered BiOI/BiOIO3 composites were fabricated by a simple hydrothermal method. The prepared BiOI/BiOIO(3)heterostructures were characterized and evaluated for gas-phase Hg-0 oxidation. The photo catalytic activity of the BiOI/BiOIO3 heterostructures was detected under LED light and UV irradiation. Meanwhile, the cycle experiments were carried out to certify the stability of BiOI/BiOIO3 composites. The results showed that BiOI/BiOIO3 photocatalysts were of excellent photocatalyic ability with great efficient in oxidizing Hg-0. The Hg-0 removal efficiency reached up to 98.53% and 100% under LED light and UV irradiation respectively when the mole ratio of BiOI/BiOIO3 was 3:1. The photocatalytic reaction mechanism was elaborated in detail. (C) 2016 Published by Elsevier B.V.
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