以仲钼酸铵和硝酸为原料通过水热法在170 ℃下恒温40 h获得直径为50～100 nm、长度大于20 μm的MoO3纳米纤维.在450～650 ℃的不同温度下对所合成的MoO3纳米纤维进行氢气还原,利用XRD和FSEM对还原样品进行表征.结果发现,MoO3纳米纤维在450 ℃的还原温度下有MoO2形成,在600 ℃的温度下被完全还原成粒度为0.1～2 μm的Mo粉.在还原过程中,大部分MoO3纳米纤维形状不具有继承性,而处于自由空间的小部分单根MoO3纳米纤维可以转化成针状Mo颗粒.
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