From Zn-Al layered double hydroxide to ZnO nanostructure： Gradually etching by sodium hydroxide

Zn-Al layered double hydroxide （LDH） was used as precursor to produce ZnO nanostructures through dissolution of aluminum hydroxide in caustic soda. The Zn-Al LDH could transform into different nanostructures of ZnO on LDH nanosheets and even pure ZnO nanorods under various NaOH concentration. The fo...

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Bibliographic Details
Published in:Chinese chemical letters 2012-12, Vol.23 (12), p.1415-1418
Main Authors: Wan, Gang Qiang, Li, Dong Xiang, Li, Chun Fang, Xu, Jie, Hou, Wan Guo
Format: Article
Language:English
Subjects:
Layered double hydroxide (LDH)
LDH
Nanostructure
ZnO
层状双金属氢氧化物
氢氧化钠
氧化铝生产
氧化锌纳米棒
纳米结构
蚀刻
锌铝
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Summary:Zn-Al layered double hydroxide （LDH） was used as precursor to produce ZnO nanostructures through dissolution of aluminum hydroxide in caustic soda. The Zn-Al LDH could transform into different nanostructures of ZnO on LDH nanosheets and even pure ZnO nanorods under various NaOH concentration. The formed ZnO nanorods vertically aligned on both LDH sides. UV-vis diverse reflectance spectra show that the obtained ZnO nanorods have a band gap of approximately 3.05 eV. Such ZnO/LDH nanostructures might be used as photocatalyst in the organic pollutant decomposition.
ISSN:1001-8417
1878-5964
DOI:10.1016/j.cclet.2012.10.020