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NCUEIR > College of Science > Graduate Institute of Photonics Technologies > Periodical Articles > Item 987654321/17452

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/17452

Title:	Effects of Ultraviolet Treatment on the Optical and Structural Properties of ZnO Nanoparticles
Authors:	Tsai, Chia-Lung;Tseng, Yu-Chih;Cho, Wei-Min;Lin, Yow-Jon;Chang, Hsing-Cheng;Chen, Ya-Hui;Lin, Chiu-Hsun
Contributors:	光電科技研究所
Keywords:	Sol-gel growth;Photoluminescence spectroscopy;Nanostructures;Point defects
Date:	2011-06
Issue Date:	2013-10-02T08:37:27Z
Publisher:	Elsevier B. V.
Abstract:	This study investigates the effect of ultraviolet treatment on the structural and optical properties of the ZnO nanoparticles by X-ray diffraction, scanning electron microscopy, Fourier-transform infrared spectroscopy and photoluminescence measurements. A dependence of the luminescence behavior and crystal structure upon ultraviolet treatment has been found. It is shown that ultraviolet treatment may lead to the formation of surface oxygen vacancies, producing hydroxyl adsorption. The surface modification may lead to transition from hydrophobic (low surface energy) to hydrophilic (high surface energy) state, resulting in uniform distribution of the ZnO nanoparticles on the substrate.
Relation:	Materials Chemistry and Physics, 130(1-2): 299-302
Appears in Collections:	[Graduate Institute of Photonics Technologies] Periodical Articles

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