研究提供了一种简易、低成本的方法进行神经微电极的性能改进,来改善神经电极/神经组织的界面特性.采用电化学方法合成导电聚合物聚苯胺PA-NI和PANI-MWCNT(多壁碳纳米管)复合涂层,对神经微电极位点进行表面修饰；对修饰电极的表面形貌与电学性能进行测试,对比分析了MWCNT掺杂对PANI涂层的影响.结果表明,MWCNT掺杂改善了PANI涂层的表面形貌；与PANI修饰电极相比,PA-NI-MWCNT修饰电极界面通过的电荷量提高了近14倍,电学性能稳定性更好,在神经信号相关的1kHz频率处阻抗降低到原来的1/8,PANI-MWCNT复合涂层能更好地提高电极的电学性能.
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