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Biphasic nanocomposite films of polypyrrole and poly(3,4-ethylene dioxythiophene) using a surface-tethered dopant strategy
Electrochimica Acta ( IF 6.6 ) Pub Date : 2024-04-06 , DOI: 10.1016/j.electacta.2024.144227
Pauline E. Desroches , Kilian S. Fraysse , Anita F. Quigley , Robert M.I. Kapsa , Luiza Aguiar Do Nascimento , Simon E. Moulton , Mingyu Han , Saimon M. Silva , George W. Greene

Using a newly invented surface-tethered dopant approach for the electrochemical polymerization growth of conductive polymer films, nanocomposites are created consisting of two distinct phases of polypyrrole (PPy) and Poly(3,4-ethylene dioxythiophene) (PEDOT). The growth of the conductive nanocomposite films takes advantage of the unique way in which a conductive polymer film forms when grown using a surface-tethered dopant, starting out as a highly nanoporous film that gradually becomes more and more solid as additional polymer deposition occurs preferentially within the nanopores rather than at the films outer surface. Nanocomposite films can thus be fabricated simply and controllably by first growing one nanoporous conductive polymer film followed by the deposition of a second conductive polymer within the nanopores of the first. This study investigates the morphological and electrochemical properties of nanocomposite films grown using a surface-tethered dopant and how these properties are affected by simple changes in electrochemical polymerization parameters.

中文翻译:

使用表面束缚掺杂剂策略的聚吡咯和聚(3,4-乙烯二氧噻吩)双相纳米复合薄膜

使用新发明的表面束缚掺杂剂方法进行导电聚合物薄膜的电化学聚合生长,创建了由聚吡咯(PPy)和聚(3,4-乙烯二氧噻吩)(PEDOT)两个不同相组成的纳米复合材料。导电纳米复合材料薄膜的生长利用了一种独特的方式,即使用表面束缚掺杂剂生长时形成导电聚合物薄膜,一开始是高度纳米多孔的薄膜,随着额外的聚合物沉积优先发生在内部,逐渐变得越来越坚固。纳米孔而不是薄膜外表面。因此,通过首先生长一个纳米孔导电聚合物膜,然后在第一个纳米孔内沉积第二个导电聚合物,可以简单且可控地制造纳米复合材料膜。本研究研究了使用表面束缚掺杂剂生长的纳米复合材料薄膜的形态和电化学特性,以及电化学聚合参数的简单变化如何影响这些特性。
更新日期:2024-04-06
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