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| 高压对纳米ZnO和ZnO/SnO2复合材料的结构和发光性能的影响 | |
| 引用本文： | 孙振亚,王烁,邓允棣,黎明发.高压对纳米ZnO和ZnO/SnO2复合材料的结构和发光性能的影响[J].高压物理学报,2009,23(4). |
| 作者姓名： | 孙振亚 王烁 邓允棣 黎明发 |
| 作者单位： | 1. 武汉理工大学材料研究与测试中心,湖北武汉430070;武汉理工大学高温高压物理研究所,湖北武汉430070 2. 武汉理工大学资源与环境工程学院,湖北武汉,430070 3. 武汉理工大学高温高压物理研究所,湖北武汉,430070 |
| 基金项目： | 国家自然科学基金，湖北省环保科学基金 |
| 摘 要： | 利用溶胶-凝胶法制备出了纳米晶ZnO与含有3%摩尔分数SnO2的ZnO/SnO2复合材料，在六面顶压机上对制备出的两种样品进行了室温下、6GPa的高压处理。采用X射线衍射（XRD）、透射电子显微镜（TEM）和光致荧光谱（PL）等方法，对高压处理前后样品的结构和发光性质进行了表征。结果表明：高压处理后回收到的纳米晶ZnO和ZnO/SnO2复合材料的平均粒径分别减小5.9%和26.3%；高压处理后ZnO和ZnO/SnO2复合材料光致发光谱的发光带强度都有所降低，但ZnO/SnO2复合材料发光带强度降低幅度比纯ZnO小，对产生这些现象的原因进行了讨论。 |
| 关 键 词： | 纳米ZnO 纳米ZnO/SnO2复合材料 高压 光致发光 |
| 收稿时间： | 2008-09-05; |
Effects of High Pressure Treatment on Structures and Luminescence Properties of Nano ZnO and Composite ZnO/SnO2 Materials |
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| SUN Zhen-Ya,WANG Shuo,DENG Yun-Di,LI Ming-Fa.Effects of High Pressure Treatment on Structures and Luminescence Properties of Nano ZnO and Composite ZnO/SnO2 Materials[J].Chinese Journal of High Pressure Physics,2009,23(4). | |
| Authors: | SUN Zhen-Ya WANG Shuo DENG Yun-Di LI Ming-Fa |
| Institution: | SUN Zhen-Ya1,3,WANG Shuo2,DENG Yun-Di3,LI Ming-Fa3(1.Center for Materials Research and Analysis,Wuhan University of Technology,Wuhan 430070,China,2.School of Resource and Environment Engineering,3.Institute of High Temperature and High Pressure Physics,China) |
| Abstract: | The nano ZnO and nano composite ZnO/SnO2 materials were prepared by sol-gel method,then the prepared specimens were treated by high pressure method of which the pressure is up to 6 GPa.X-ray diffraction(XRD) and transmission electron microscopy(TEM) and photoluminescence spectrometer were employed to study structures and luminescence properties of the specimens.The results indicate that the particle sizes of ZnO and ZnO/SnO2 decrease 5.9% and 26.3% respectively after high pressure treatment.And the photolum... |
| Keywords: | nano ZnO composite ZnO/SnO2 materials high pressure photoluminescence |
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