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Issue 8, 2020
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The elaboration of multifunctional hollow core–shell Fe3O4@PDA@TiO2 architecture with dual magnetic- and photo-responsive performance

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Abstract

Stimuli-responsive materials with appealing interactions can serve as key modules for smart devices and have a broad scope of application. In this study, Fe3O4@PDA@TiO2 microspheres with a core–shell structure were assembled. The hollow microspheres have a mesoporous structure and were characterized by SEM, TEM, XRD, Raman, BET, XPS, UV-vis and TGA analyses. Then, a photoresponsive coating with reversibly switchable wettability was prepared by a simple sieve-deposition method using Fe3O4@PDA@TiO2 powder. In addition, the Fe3O4@PDA@TiO2 coated fiber textile was obtained by a dipping method and was used for oil–water separation due to its underwater superoleophobicity. Finally, it was found that this material with its hollow and mesoporous structure can be used for dye adsorption, while the anatase TiO2 ingredient shows good photocatalysis performance.

Graphical abstract: The elaboration of multifunctional hollow core–shell Fe3O4@PDA@TiO2 architecture with dual magnetic- and photo-responsive performance

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Article information


Submitted
12 Nov 2019
Accepted
29 Jan 2020
First published
30 Jan 2020

New J. Chem., 2020,44, 3487-3492
Article type
Paper

The elaboration of multifunctional hollow core–shell Fe3O4@PDA@TiO2 architecture with dual magnetic- and photo-responsive performance

G. Chen, G. Zhang and F. Yang, New J. Chem., 2020, 44, 3487
DOI: 10.1039/C9NJ05651C

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