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ChemSusChem

Title:		Iodine-Deficient BiO(1.2) I(0.6) Coupling with Bi(2) O(3) for Degradation of Volatile Organic Compounds under Simulated Sunlight Irradiation
Author(s):		Wang S; Guan Y; Zeng R; Zhang Z; Liu L; Li Z; An W; Fu Y;
Address:		"School of Environment and Safety Engineering, School of Petrochemical Engineering, Changzhou University, Changzhou, Jiangsu, 213164, P.R. China. Huaide College, Changzhou University, Jingjiang, Jiangsu, 214500, P.R. China. Green Intelligence Environmental School, Yangtze Normal University, Fuling, Chongqing, 408100, P.R. China"
Journal Title:		ChemSusChem
Year:		2019
Volume:		20191010
Issue:		21
Page Number:		4874 - 4881
DOI:		10.1002/cssc.201901627
ISSN/ISBN:		1864-564X (Electronic) 1864-5631 (Linking)
Abstract:		"A photocatalyst with a high separation efficiency of carriers is crucial for the photocatalytic efficient decomposition of volatile organic compounds (VOCs). In this work, a new iodine-deficient BiO(1.2) I(0.6) /Bi(2) O(3) photocatalyst was developed through a solvothermal approach coupled with thermal decomposition. The 2 wt % BiO(1.2) I(0.6) /Bi(2) O(3) sample demonstrated optimal photocatalytic activity for the degradation of toluene, achieving a 55.1 % mineralization ratio under 8 h of irradiation, which was 14.9 and 2.1 times higher than those of BiO(1.2) I(0.6) and Bi(2) O(3) , respectively. Compared with BiO(1.2) I(0.6) and Bi(2) O(3) , 2 wt % BiO(1.2) I(0.6) /Bi(2) O(3) exhibited the weakest fluorescence band, highest photocurrent density, and lowest impedance; thus suggesting that Bi(2) O(3) compounded by 2 wt % BiO(1.2) I(0.6) distinctly promoted the separation efficiency of carriers. The hydroxyl radical ((.) OH) was the main active species, apart from holes, for the photocatalytic degradation of toluene"
Keywords:		bismuth green chemistry iodine photochemistry volatile organic compounds;
Notes:		"PubMed-not-MEDLINEWang, Shaomang Guan, Yuan Zeng, Ruiheng Zhang, Zhijun Liu, Liang Li, Zhongyu An, Wen Fu, Yang eng 21876015/the National Natural Science Foundation of China/ BK20161277 and BK20190934/the Natural Science Foundation of Jiangsu Province/ 16KJB610002/the Natural Science Foundation of Jiangsu Education Department/ 2017M611784/the Postdoctoral Science Foundation of China/ Germany 2019/08/28 ChemSusChem. 2019 Nov 8; 12(21):4874-4881. doi: 10.1002/cssc.201901627. Epub 2019 Oct 10"