Facile synthesis of hierarchical ZnO microstructures with enhanced photocatalytic activity

被引：30
|
作者：
Miao, Leigang [1 ,2 ,3 ]
Shi, Biming [1 ]
Stanislaw, Nawrat [3 ]
Mu, Chaomin [1 ]
Qi, Kezhen [4 ]
机构：
[1] Anhui Univ Sci & Technol, Sch Min & Safety Engn, Huainan 232001, Peoples R China
[2] Jiangsu Vocat Inst Architectural Technol, Coll Energy & Transportat Engn, Xuzhou 221116, Peoples R China
[3] AGH Univ Sci & Technol, Fac Min & Geoengn, PL-30059 Krakow, Poland
[4] Shenyang Normal Univ, Coll Chem & Chem Engn, Inst Catalysis Energy & Environm, Shenyang 110034, Peoples R China
来源：
MATERIALS SCIENCE-POLAND | 2017年 / 35卷 / 01期
关键词：
ZnO; hierarchical microstructures; hydrothermal synthesis; photocatalytic activity; ASSISTED HYDROTHERMAL SYNTHESIS; FLOWER-LIKE; SOLVOTHERMAL SYNTHESIS; GROWTH-MECHANISM; NANOSTRUCTURES; MORPHOLOGY; MICROSPHERES; PERFORMANCE; CONVERSION; CRYSTALS;
D O I：
10.1515/msp-2017-0007
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Flower-like ZnO microstructures were successfully synthesized via a facile hydrothermal route without using any surfactants. The morphology of these microstructures can be easily controlled by adjusting the pH of the reaction solution. The possible growth mechanism of ZnO hierarchical microstructures was proposed based on the X-ray powder diffraction (XRD) and scanning electron microscope (SEM) results. The photocatalytic activity studies of ZnO nanocrystals demonstrated their excellent photocatalytic performance in degrading aqueous methylene blue (MB) under UV-A light irradiation. This higher photocatalytic activity of the ZnO nanoplates was mainly attributed to the exposed facets with the higher surface energy.
引用
收藏
页码：45 / 49
页数：5
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