采用溶剂热法制备纳米结构的Bi2Te3化合物,以氯化铋,亚碲酸钠,氢氧化钠,表面活性剂EDTA二钠,以及还原剂硼氢化钠为初始原料,将初始原料的混合水溶液加入到聚四氟乙烯为内衬的不锈钢反应釜容器内,经过超声波振动30 min后,在423～473 K热处理24～72 h后得到黑色粉末产物,用去离子水和无水乙醇反复洗涤除去产物中的可溶性离子和有机物,并在333 K下真空干燥,最后得到花簇状的Bi2Te3化合物粉体,并对产生花簇状的原因进行了分析和阐述.
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