Synthesis and Enhanced Light Photocatalytic Activity of Modulating Band BiOBrXI1−X Nanosheets

The photocatalysis technique has been proven to be a promising method to solve environmental pollution in situations of energy shortage, and has been intensively investigated in the field of pollutant degradation. In this work, a band structure-controlled solid solution of BiOBrX</sub&...

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Autores principales:	Bingke Zhang, Shengwen Fu, Dongbo Wang, Shujie Jiao, Zhi Zeng, Xiangyu Zhang, Zhikun Xu, Yaxin Liu, Chenchen Zhao, Jingwen Pan, Donghao Liu, Jinzhong Wang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	BiOBr<sub>X</sub>I<sub>1−X</sub> solid solution photocatalytic degradation band structure engineering Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/6be3522b86984dc08093e001e401c3e7
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spelling	oai:doaj.org-article:6be3522b86984dc08093e001e401c3e72021-11-25T18:31:00ZSynthesis and Enhanced Light Photocatalytic Activity of Modulating Band BiOBr<sub>X</sub>I<sub>1−X</sub> Nanosheets10.3390/nano111129402079-4991https://doaj.org/article/6be3522b86984dc08093e001e401c3e72021-11-01T00:00:00Zhttps://www.mdpi.com/2079-4991/11/11/2940https://doaj.org/toc/2079-4991The photocatalysis technique has been proven to be a promising method to solve environmental pollution in situations of energy shortage, and has been intensively investigated in the field of pollutant degradation. In this work, a band structure-controlled solid solution of BiOBr<sub>X</sub>I<sub>1−X</sub> (x = 0.00, 0.05, 0.10, 0.15, 0.20, 1.00) with highly efficient light-driven photocatalytic activities was successfully synthesized via simple solvothermal methods. The phase composition, crystal structure, morphology, internal molecular vibration, optical properties, and energy band structure were characterized and analyzed by XRD, SEM, HRTEM, XPS, Raman, and UV Vis DRS. To evaluate the photocatalytic activity of BiOBr<sub>X</sub>I<sub>1−X</sub>, rhodamine B was selected as an organic pollutant. In particular, BiOBr<sub>0.15</sub>I<sub>0.85</sub> displayed significantly enhanced photocatalytic activity by virtue of modulating the energy band position, optimizing redox potentials, and accelerating carrier separation. Moreover, the enhancement mechanism was elucidated on the basis of band structure engineering, which provides ideas for the design of highly active photocatalysts for practical application in the fields of environmental issues and energy conservation.Bingke ZhangShengwen FuDongbo WangShujie JiaoZhi ZengXiangyu ZhangZhikun XuYaxin LiuChenchen ZhaoJingwen PanDonghao LiuJinzhong WangMDPI AGarticleBiOBr<sub>X</sub>I<sub>1−X</sub>solid solutionphotocatalytic degradationband structure engineeringChemistryQD1-999ENNanomaterials, Vol 11, Iss 2940, p 2940 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	BiOBr<sub>X</sub>I<sub>1−X</sub> solid solution photocatalytic degradation band structure engineering Chemistry QD1-999
spellingShingle	BiOBr<sub>X</sub>I<sub>1−X</sub> solid solution photocatalytic degradation band structure engineering Chemistry QD1-999 Bingke Zhang Shengwen Fu Dongbo Wang Shujie Jiao Zhi Zeng Xiangyu Zhang Zhikun Xu Yaxin Liu Chenchen Zhao Jingwen Pan Donghao Liu Jinzhong Wang Synthesis and Enhanced Light Photocatalytic Activity of Modulating Band BiOBr<sub>X</sub>I<sub>1−X</sub> Nanosheets
description	The photocatalysis technique has been proven to be a promising method to solve environmental pollution in situations of energy shortage, and has been intensively investigated in the field of pollutant degradation. In this work, a band structure-controlled solid solution of BiOBr<sub>X</sub>I<sub>1−X</sub> (x = 0.00, 0.05, 0.10, 0.15, 0.20, 1.00) with highly efficient light-driven photocatalytic activities was successfully synthesized via simple solvothermal methods. The phase composition, crystal structure, morphology, internal molecular vibration, optical properties, and energy band structure were characterized and analyzed by XRD, SEM, HRTEM, XPS, Raman, and UV Vis DRS. To evaluate the photocatalytic activity of BiOBr<sub>X</sub>I<sub>1−X</sub>, rhodamine B was selected as an organic pollutant. In particular, BiOBr<sub>0.15</sub>I<sub>0.85</sub> displayed significantly enhanced photocatalytic activity by virtue of modulating the energy band position, optimizing redox potentials, and accelerating carrier separation. Moreover, the enhancement mechanism was elucidated on the basis of band structure engineering, which provides ideas for the design of highly active photocatalysts for practical application in the fields of environmental issues and energy conservation.
format	article
author	Bingke Zhang Shengwen Fu Dongbo Wang Shujie Jiao Zhi Zeng Xiangyu Zhang Zhikun Xu Yaxin Liu Chenchen Zhao Jingwen Pan Donghao Liu Jinzhong Wang
author_facet	Bingke Zhang Shengwen Fu Dongbo Wang Shujie Jiao Zhi Zeng Xiangyu Zhang Zhikun Xu Yaxin Liu Chenchen Zhao Jingwen Pan Donghao Liu Jinzhong Wang
author_sort	Bingke Zhang
title	Synthesis and Enhanced Light Photocatalytic Activity of Modulating Band BiOBr<sub>X</sub>I<sub>1−X</sub> Nanosheets
title_short	Synthesis and Enhanced Light Photocatalytic Activity of Modulating Band BiOBr<sub>X</sub>I<sub>1−X</sub> Nanosheets
title_full	Synthesis and Enhanced Light Photocatalytic Activity of Modulating Band BiOBr<sub>X</sub>I<sub>1−X</sub> Nanosheets
title_fullStr	Synthesis and Enhanced Light Photocatalytic Activity of Modulating Band BiOBr<sub>X</sub>I<sub>1−X</sub> Nanosheets
title_full_unstemmed	Synthesis and Enhanced Light Photocatalytic Activity of Modulating Band BiOBr<sub>X</sub>I<sub>1−X</sub> Nanosheets
title_sort	synthesis and enhanced light photocatalytic activity of modulating band biobr<sub>x</sub>i<sub>1−x</sub> nanosheets
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/6be3522b86984dc08093e001e401c3e7
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_version_	1718411022309523456

Synthesis and Enhanced Light Photocatalytic Activity of Modulating Band BiOBr<sub>X</sub>I<sub>1−X</sub> Nanosheets

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