硫化锑微晶掺杂硅凝胶玻璃及其薄膜的制备与光谱性质

PREPARATION AND SPECTRAL PROPERTIES OF Sb 2S 3 MICROCRYSTALLITE DOPED SILICA GLASS DERIVED FROM SOL_GEL PROCESS

采用溶胶－凝胶法成功地制备出Ｓｂ２Ｓ３微晶掺杂硅凝胶玻璃及其薄膜．通过Ｘ射线粉末衍射（ＸＲＤ）和高分辨透射电镜（ＨＲＴＥＭ）分析观察到，正交晶系的Ｓｂ２Ｓ３纳米微晶均匀分布于玻璃基质中；由薄膜的室温透射光谱发现，随着热处理温度的提高和时间的延长，该薄膜的特征透射谱谷逐渐向长波方向移动（红移），表现出明显的量子尺寸效应．

Sb 2S 3 microcrystallite doped silica glass and thin films were prepared successfully by sol_gel process. The microcrystallites in the glass medium were observed by means of X _ray diffraction and HRTEM. Transmission spectra at room temperature of the films show that the transmission valley shifts toward longer wavelength with the increase of heat_treatment time and temperature. Such shift is the evidence of quantum size effect in the glass.