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在十二烷基硫酸钠(SDS)微乳液中制备出银纳米溶胶,并在此基础上采用原位聚合法制备银/聚苯胺纳米复合材料.采用扫描电镜和透射电镜、X射线衍射分析仪、傅里叶变换红外光谱仪、紫外-可见光谱仪分别对复合粒子的形貌、晶体结构和官能团进行了检测.结果表明,制备的材料是以银纳米粒子在内而聚苯胺在外的核壳型的纳米复合材料.银纳米粒子粒径大小在100nm以内,并且随SDS用量增加逐渐变小,银纳米粒子在聚苯胺中的分散性得以提高,复合粒子形貌逐渐呈球状,核壳结构得到有效改善.导电性能测试结果显示,当SDS浓度为15mmol/L时,复合材料电导率可达到27.36 S/cm.

参考文献

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