以KMnO4为原料,甲苯为还原剂,在不加表面活性剂且无模板的情况下,在相对较低的温度(180℃)下利用水热法制备了直径为10～12nm,长度为1.6～2.4 μm的γ-MnOOH纳米线;然后以之为前躯体,通过低温(280℃)热氧化法制备了直径为14～17nm,长度为0.3～1.8μm的β-MnO2纳米线.用XRD、TEM、SAED、FTIR、XPS等对所得产物进行了表征.探讨了γ-MnOOH及β-MnO2的形成机理.
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