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Published in: Journal of Nanoparticle Research 11/2018

01-11-2018 | Research Paper

Low-temperature synthesis and sunlight-catalytic performance of flower-like hierarchical graphene oxide/ZnO macrosphere

Authors: Wei Mei, Min Lin, Chuansheng Chen, Yongxiang Yan, Liangwu Lin

Published in: Journal of Nanoparticle Research | Issue 11/2018

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Abstract

A flower-like hierarchical graphene oxide/ZnO (GO/ZnO) macrospheres were fabricated via a low-temperature hydrothemal method, and their photocatalytic performance was tested under natural sunlight and darkness. The resultant GO/ZnO sample displays unique hierarchical macrosphere with diameters in the range of 2–3 μm. The photocatalytic activity of the GO/ZnO microspheres depended on GO, and GO/ZnO macrosphere containing 0.37% GO exhibited very high photocatalytic activity under natural sunlight irradiation and without stirring. Furthermore, GO/ZnO macrospheres possessed good photocatalytic activity under darkness, in which its removal rate of RhB is approximately 5.5 times as many as pure ZnO macrospheres. The enhancement in photocatalytic activity originates from the superior electrical properties of GO, facilitating to transfer the photogenerated electrons and decrease the recombination of photogenerated charge carriers.

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Appendix
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Metadata
Title
Low-temperature synthesis and sunlight-catalytic performance of flower-like hierarchical graphene oxide/ZnO macrosphere
Authors
Wei Mei
Min Lin
Chuansheng Chen
Yongxiang Yan
Liangwu Lin
Publication date
01-11-2018
Publisher
Springer Netherlands
Published in
Journal of Nanoparticle Research / Issue 11/2018
Print ISSN: 1388-0764
Electronic ISSN: 1572-896X
DOI
https://doi.org/10.1007/s11051-018-4392-2

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