Microstructure, growth process and enhanced photocatalytic activity of flower-like ZnO particles

Flower-like ZnO microstructures are prepared by a simple one-step hydrothermal process at 85 °C for 30 min. ZnO hierarchical structures about 3.5 μm in size are assembled by rod-like crystals with sharp ends. The growth of flower-like ZnO is rapid. OH − -driven oriented aggregation and multistep nuc...

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Bibliographic Details
Published in:RSC advances 2016-01, Vol.6 (9), p.743-748
Main Authors: Su, Yumin, Li, Jibiao, Luo, Zhanzhou, Lu, Bin, Li, Ping
Format: Article
Language:English
Subjects:
Agglomeration
Crystal structure
Dyes
Microstructure
Nucleation
Photocatalysis
Structural hierarchy
Zinc oxide
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Summary:Flower-like ZnO microstructures are prepared by a simple one-step hydrothermal process at 85 °C for 30 min. ZnO hierarchical structures about 3.5 μm in size are assembled by rod-like crystals with sharp ends. The growth of flower-like ZnO is rapid. OH − -driven oriented aggregation and multistep nucleation result in the formation of flower-like ZnO structures. The products exhibit excellent photocatalytic performance in the degradation of methyl orange under UV-light irradiation, which can be attributed to their assembled open structures. A simple hydrothermal process was developed to synthesize flower-like ZnO microstructures that exhibited excellent photocatalytic activity.
ISSN:2046-2069
2046-2069
DOI:10.1039/c5ra24492g