以醋酸铅为铅源,硫代乙酰胺为硫源,在表面活性剂十二烷基硫酸钠(SDS)和十六烷基三甲基溴化铵(CTAB)共同作用下,在常温下合成了PbS纳米晶,利用XRD、紫外分光度计、SEM、TEM对合成产物的结构和形貌以及光学特性进行了表征分析,结果表明,合成的PbS为尺寸均匀的球形纳米晶,对合成的PbS纳米晶的形成机理进行了初探.当反应温度较低时,形成的PbS小颗粒在表面活性剂SDS的烷基链模板和CTAB微胶束软模板共同作用下生成球状PbS纳米晶.
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