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Title: Photocatalytic activity of attapulgite–BiOCl–TiO{sub 2} toward degradation of methyl orange under UV and visible light irradiation

Abstract

Highlights: • Excellent photocatalyst was obtained by introducing BiOCl–TiO{sub 2} onto attapulgite. • 100 mg L{sup −1} methyl orange (MO) was totally decomposed under UV light within 70 min. • 92.6% of 10 mg L{sup −1} MO was decomposed within 120 min under visible light. • ATT–BiOCl–TiO{sub 2} show better activity than P{sub 25} especially under visible light. • Mechanism of photocatalytic activity enhancement was identified. - Abstract: An environmental friendly composite photocatalyst with efficient UV and visible light activity has been synthesized by introducing BiOCl–TiO{sub 2} hybrid oxide onto the surface of attapulgite (ATT) (denoted as ATT–BiOCl–TiO{sub 2}), using a simple in situ depositing technique. The obtained products were characterized by XRD, TEM, BET and UV–vis diffuse reflectance spectra measurements. Results showed that BiOCl–TiO{sub 2} composite particles were successfully loaded onto attapulgite fibers' surface without obvious aggregation. The photocatalytic activity of ATT–BiOCl–TiO{sub 2} was investigated by degradation of methyl orange under UV and visible light irradiation. It was found that 100 mg L{sup −1} methyl orange was totally decomposed under UV light within 70 min and 92.57% of 10 mg L{sup −1} methyl orange was decomposed under visible light within 120 min using ATT–BiOCl–TiO{sub 2} as photocatalyst. These resultsmore » were quite better than that of P{sub 25}, especially under visible light irradiation. Possible mechanism for the enhancement was proposed.« less

Authors:
; ; ; ; ;
Publication Date:
OSTI Identifier:
22475794
Resource Type:
Journal Article
Journal Name:
Materials Research Bulletin
Additional Journal Information:
Journal Volume: 66; Other Information: Copyright (c) 2015 Elsevier Science B.V., Amsterdam, The Netherlands, All rights reserved.; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0025-5408
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE; AGGLOMERATION; BISMUTH COMPOUNDS; CHLORINE COMPOUNDS; COMPOSITE MATERIALS; FIBERS; METHYL ORANGE; OXYGEN COMPOUNDS; PHOTOCATALYSIS; SEMICONDUCTOR MATERIALS; SPECTRA; SURFACES; TITANIUM OXIDES; TRANSMISSION ELECTRON MICROSCOPY; ULTRAVIOLET RADIATION; VISIBLE RADIATION; X-RAY DIFFRACTION

Citation Formats

Zhang, Lili, Zhang, Jiahui, Zhang, Weiguang, Liu, Jianquan, Zhong, Hui, and Zhao, Yijiang. Photocatalytic activity of attapulgite–BiOCl–TiO{sub 2} toward degradation of methyl orange under UV and visible light irradiation. United States: N. p., 2015. Web. doi:10.1016/J.MATERRESBULL.2015.02.029.
Zhang, Lili, Zhang, Jiahui, Zhang, Weiguang, Liu, Jianquan, Zhong, Hui, & Zhao, Yijiang. Photocatalytic activity of attapulgite–BiOCl–TiO{sub 2} toward degradation of methyl orange under UV and visible light irradiation. United States. https://doi.org/10.1016/J.MATERRESBULL.2015.02.029
Zhang, Lili, Zhang, Jiahui, Zhang, Weiguang, Liu, Jianquan, Zhong, Hui, and Zhao, Yijiang. Mon . "Photocatalytic activity of attapulgite–BiOCl–TiO{sub 2} toward degradation of methyl orange under UV and visible light irradiation". United States. https://doi.org/10.1016/J.MATERRESBULL.2015.02.029.
@article{osti_22475794,
title = {Photocatalytic activity of attapulgite–BiOCl–TiO{sub 2} toward degradation of methyl orange under UV and visible light irradiation},
author = {Zhang, Lili and Zhang, Jiahui and Zhang, Weiguang and Liu, Jianquan and Zhong, Hui and Zhao, Yijiang},
abstractNote = {Highlights: • Excellent photocatalyst was obtained by introducing BiOCl–TiO{sub 2} onto attapulgite. • 100 mg L{sup −1} methyl orange (MO) was totally decomposed under UV light within 70 min. • 92.6% of 10 mg L{sup −1} MO was decomposed within 120 min under visible light. • ATT–BiOCl–TiO{sub 2} show better activity than P{sub 25} especially under visible light. • Mechanism of photocatalytic activity enhancement was identified. - Abstract: An environmental friendly composite photocatalyst with efficient UV and visible light activity has been synthesized by introducing BiOCl–TiO{sub 2} hybrid oxide onto the surface of attapulgite (ATT) (denoted as ATT–BiOCl–TiO{sub 2}), using a simple in situ depositing technique. The obtained products were characterized by XRD, TEM, BET and UV–vis diffuse reflectance spectra measurements. Results showed that BiOCl–TiO{sub 2} composite particles were successfully loaded onto attapulgite fibers' surface without obvious aggregation. The photocatalytic activity of ATT–BiOCl–TiO{sub 2} was investigated by degradation of methyl orange under UV and visible light irradiation. It was found that 100 mg L{sup −1} methyl orange was totally decomposed under UV light within 70 min and 92.57% of 10 mg L{sup −1} methyl orange was decomposed under visible light within 120 min using ATT–BiOCl–TiO{sub 2} as photocatalyst. These results were quite better than that of P{sub 25}, especially under visible light irradiation. Possible mechanism for the enhancement was proposed.},
doi = {10.1016/J.MATERRESBULL.2015.02.029},
url = {https://www.osti.gov/biblio/22475794}, journal = {Materials Research Bulletin},
issn = {0025-5408},
number = ,
volume = 66,
place = {United States},
year = {2015},
month = {6}
}