以水溶液为介质,在室温下制备得到了CdSe的纳米颗粒.最终得到的CdSe的纯度决定于反应的pH值和反应时间,提高反应溶液的pH到11以上并控制反应时间,可以得到较纯的CdSe,其颗粒的平均尺寸约为50 nm左右.当引入巯基乙酸作为稳定剂后,CdSe的形貌从纳米颗粒(团簇)转变成了纳米棒.通过一系列表征手段(XRD),紫外-可见光吸收谱,SEM)对制的试样的性质进行了分析,并讨论了CdSe的形成机理.
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