采用碳弧法制备出碳包铜纳米粒子,并用透射电子显微镜(TEM)、X射线衍射仪(XRD)和DSC对产物的形貌、尺寸、物相结构组成以及抗氧化性能进行了表征分析,同时对碳包铜纳米粒子的导电性能进行了测量.测试结果表明碳包铜纳米粒子为核壳型结构,内部为金属铜核,外部为碳层.在铜核的周围碳以类石墨状形式存在,离铜核较远处碳以非晶态存在,铜对碳的石墨化具有促进作用;同时碳包铜纳米粒子在常温和加热下都表现出较好的抗氧化性能;碳包铜纳米粒子导电性随着金属含量的增加而增加并且在铜含量为80%(质量分数)时出现突跃.
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