研究了纳米碳纤维的化学镀铜过程与不同的装载量对纳米碳纤维镀铜的影响.采用红外光谱分析纳米碳纤维表面的官能团,SEM观察镀层微观形貌,并用能谱分析镀层的成分.结果表明纳米碳纤维经过酸洗过后表面生成羟基与羧基功能团,纳米碳纤维表面由疏水性改为亲水性.表面镀层厚度可达350 nm,镀层由50 nm的铜颗粒组成,含有微量的氧.随镀液中装载量的减少,纳米碳纤维的增重增加,镀层包覆的更完整更厚.镀铜纳米碳纤维直接热压得到40%(体积分数)纳米碳纤维/Cu复合材料,实现了纳米碳纤维在基体中均匀分散.
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