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金纳米颗粒掺杂PEDOT多孔导电聚合物的电化学合成及其亚硝酸盐传感应用

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Key Words:纳米多孔结构;导电聚合物;聚3,4-乙烯二氧噻吩(PEDOT);金纳米颗粒;亚硝酸盐传感器;电聚合
Abstract:该文以聚苯乙烯微球为模板,利用电化学方法制备了金纳米颗粒(Au NPs)掺杂的三维多孔聚3,4-乙烯二氧噻吩(PEDOT)纳米材料,该材料对亚硝酸盐的氧化展现出优异的电催化活性,这是由于其独特的三维(3D)纳米多孔结构可以掺杂更多的Au NPs,从而提供大量的活性位点用于亚硝酸盐的催化。此外,3D孔状结构还可促进亚硝酸盐离子的扩散从而加快电子的传递。所构建的传感器用于亚硝酸盐的检测,其线性范围为0. 2~2 200μmol/L,检出限为70 nmol/L。该传感器展现出优异的选择性、长期的稳定性和良好的重现性,用于实际样品检测,与标准方法的测试结果一致。
Volume:v.37
Issue:10
Translation or Not:no

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