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Published in: Cellulose 10/2019

31-05-2019 | Original Research

Core–shell BiVO4@PDA composite photocatalysts on cotton fabrics for highly efficient photodegradation under visible light

Authors: Jianhua Ran, Shuguang Bi, Huiyu Jiang, Felix Telegin, Xue Bai, Hongjun Yang, Deshan Cheng, Guangming Cai, Xin Wang

Published in: Cellulose | Issue 10/2019

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Abstract

Highly efficient and reusable photocatalysts that enable photodegradation of pollutants under visible light is the key in waste water treatment with impacts on environment and sustainable development. In this article, we report the preparation and application of a novel core–shell photocatalyst of bismuth vanadate@polydopamine (BiVO4@PDA). The optical absorption property and microstructure of the BiVO4@PDA particles were measured by ultraviolet–visible spectrophotoscopy (UV–Vis), photoluminescence (PL) spectroscopy and transmission electron microscope. The BiVO4@PDA can be attached to cotton fabrics by electrostatic assembly and molecular bonding. The morphology and structure of the cotton fabric@BiVO4@PDA were characterized by SEM, X-ray photoelectron spectroscopy and X-ray diffraction. The photocatalytic activity results show that the methylene blue (MB) can be completely degraded by BiVO4@PDA under visible light irradiation within 250 min. Moreover, the mechanism for the MB photodegradation using the cotton fabric@BiVO4@PDA photocatalyst under visible light were investigated. With the novel core–shell structure, the as-developed BiVO4@PDA particles can be used as highly efficient photocatalysts for visible light driven photodegradation. The BiVO4@PDA particles can be attached to different substrates due to the excellent adhesive and bonding nature of PDA towards high-efficient photocatalysis.

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Literature
go back to reference Cong Y, Xia T, Zou M, Li Z, Peng B, Guo D, Deng Z (2014) Mussel-inspired polydopamine coating as a versatile platform for synthesizing polystyrene/Ag nanocomposite particles with enhanced antibacterial activities. J Mater Chem B 2:3450–3461. https://doi.org/10.1039/C4TB00460D CrossRef Cong Y, Xia T, Zou M, Li Z, Peng B, Guo D, Deng Z (2014) Mussel-inspired polydopamine coating as a versatile platform for synthesizing polystyrene/Ag nanocomposite particles with enhanced antibacterial activities. J Mater Chem B 2:3450–3461. https://​doi.​org/​10.​1039/​C4TB00460D CrossRef
Metadata
Title
Core–shell BiVO4@PDA composite photocatalysts on cotton fabrics for highly efficient photodegradation under visible light
Authors
Jianhua Ran
Shuguang Bi
Huiyu Jiang
Felix Telegin
Xue Bai
Hongjun Yang
Deshan Cheng
Guangming Cai
Xin Wang
Publication date
31-05-2019
Publisher
Springer Netherlands
Published in
Cellulose / Issue 10/2019
Print ISSN: 0969-0239
Electronic ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-019-02535-5

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