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EDTA-assisted synthesis of rose-like ZnO architectures

✍ Scribed by Zhen Li; Yaoguo Fang; Liwei Peng; Dengyu Pan; Minghong Wu

Book ID
102127548
Publisher
John Wiley and Sons
Year
2010
Tongue
English
Weight
197 KB
Volume
45
Category
Article
ISSN
0232-1300

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✦ Synopsis

Abstract

Rose‐like ZnO nanostructures were prepared by a low‐temperature solution route with assistance of ethylenediaminetetraacetic acid disodium (EDTA‐2Na). The morphology of ZnO nanostructures was found to change from nanowire arrays to rose‐ and tower‐like architectures with increasing the molar ratio of EDTA‐2Na/Zn^2+^. Also, the shape evolution of ZnO nanostructures with time was observed from flat nanosheets to wrinkled nanosheets and to rose‐like nanostructures. EDTA‐2Na as a strong complexing agent was found to play a key role in the shape evolution. Photoluminescence spectra show that the rose‐like ZnO architectures have more defects than the nanowire arrays. (© 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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