............16 2.2.1实验所用原材料..........................................................................................................16 2.2.2实验所用主要仪器......................................................................................................16 2.3 水热法制备纳米MoS 2粉末的实验过程.............................................................................17 2.3.1纳米MoS 2粉末的制备...............................................................................................17 2.4 MoS 2粉末的测试与表征.......................................................................................................17 2.4.1 X射线衍射表征(XRD)...............................................................................................17 2.4.2场发射扫描电镜及能谱表征(FESEM,EDS)...........................................................17