以天然鳞片石墨为原料,采用水热及超声处理制备了尺寸较大且层数较少的石墨烯；通过拉曼光谱仪、透射电子显微镜、原子力显微镜及热重分析仪等研究了石墨烯的微观结构、热稳定性,利用双电测四探针测试仪对其电导率进行了测试.结果表明:所得石墨烯的片层多为双层,尺寸为微米级,片层间距约为2 nm；在室温条件下,其电导率可达808.06 S· cm-1.
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