用LSS体系制得了CdS半导体量子点,采用X射线粉末衍射(XRD)、透射电子显微镜(TEM)等测试手段对产物进行了表征.以油酸和乙醇为液相(L),油酸钠为固相(S),乙醇和含Cd2+的水溶液为溶液相(S),构成LSS体系.体系中以硫化钠为硫源在180 ℃恒温4 h,在L-S相界面处形成CdS量子点.制得的量子点具有良好的形貌,外形规则,为立方晶系结构,直径大约为4 nm.对CdS量子点的紫外-可见吸收光谱和荧光光谱进行了分析.
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