Synthesis and characterization of zinc sulfide/polyvinyl alcohol nanocomposite films

被引：0
|
作者：
Zhong, Min [1 ]
Han, Gaorong [1 ]
机构：
[1] Lab. for Silicon Mat., Dept. of Mat. Sci. and Eng., Zhejiang Univ., Hangzhou 310027, China
来源：
Zhenkong Kexue yu Jishu Xuebao/Vacuum Science and Technology | 2004年 / 24卷 / 05期
关键词：
Microemulsions - Microstructure - Optical properties - Polyvinyl alcohols - Thin films - Transmission electron microscopy - X ray diffraction analysis - Zinc sulfide;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Nano-composite films of zinc sulfide and polyvinyl alcohol (PVA) were grown by dipping (and withdrawing) a quartz plate in ZnS/PVA gel prepared by micro-emulsion method, followed by vacuum drying. The structures and optical properties of the films were characterized with X-ray diffraction (XRD), transmission electron microscopy (TEM), ultraviolet-visible (UV-VIS) absorption spectroscopy and fluorescence spectroscopy (PL). The results show that the molar ratio of C12H25SH and Zn2+ significantly affects many factors, including the shape, size and dispersion of the ZnS nano-particles as well as the PL band intensity and its peak position. For instance, as the ratio changes from 4:1 to 8:1, the absorption intensity peak increases with an observable blue shift.
引用
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页码：393 / 396
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