National Changhua University of Education Institutional Repository : Item 987654321/16851
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题名: Effects of Ultraviolet Treatment on the Optical and Structural Properties of ZnO Nanoparticles
作者: Tsai, Chia-Lung;Tseng, Yu-Chih;Cho, Wei-Min;Lin, Yow-Jon;Chang, Hsing-Cheng;Chen, Ya-Hui;Lin, Chiu-Hsun
贡献者: 化學系
关键词: Sol–gel growth;Photoluminescence spectroscopy;Nanostructures;Point defects
日期: 2011-10
上传时间: 2013-06-05T09:36:42Z
出版者: Elsevier Ltd
摘要: 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.
關聯: Materials Chemistry and Physics, 130(1-2): 299-302
显示于类别:[化學系] 期刊論文

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