采用一种简单的低温方法——萃取溶剂热法,用自制硫代钼酸铵(NH4)2MoS4作为前驱物,三辛胺作萃取剂,水合肼作还原剂,通过调整水合肼的用量,分别得到了粒径约为30 nm的空心球状单分散MoS2和小片状MoS2.将片状MoS2在600℃氩气氛中煅烧2 h,得到直径100 nm~1 μm、长度为5~20 μm的MoS2棒.讨论了萃取剂在材料制备中的作用.所得MoS2样品分别用XPS,XRD,TEM进行了表征,并对所制备的空心球状MoS2的抗摩减磨性能进行了测试.
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