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题名: Synthesis of ZnO nanoporous structure materials by two-step thermal oxidation of Zn film
作者: Xu, Qiang; Hong, Rongdun; Chen, Xiaping; Wei, Jiaju; Wu, Zhengyun
刊名: CERAMICS INTERNATIONAL
出版日期: 2017
卷号: 43, 期号:18, 页码:16391-16394
英文摘要: We describe the synthesis of ZnO nanostructures materials on quartz substrates by a simple two-step thermal oxidation process. Firstly, a thin layer of metallic Zn films are oxidized in nitrogen atmosphere at 350 degrees C, and then the samples annealed at high temperature (from 600 to 800 degrees C) to improve the crystal quality. The properties of the materials are characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM), Raman spectroscopy and UV-Visible spectroscopy at room temperature. The results show that nano porous structure materials have been formed after the samples annealed at high temperature. Since the small grain size and grain boundary induced effect of conduction band bending, the optical band gap shifts to low energy.
语种: 英语
内容类型: 期刊论文
URI标识: http://libir.pmo.ac.cn/handle/332002/17529
Appears in Collections:暗物质和空间天文实验室_期刊论文

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