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首页> 外文期刊>Nanotechnology >Electropolymerization of nano-dimensioned polypyrrole micro-ring arrays on gold substrates prepared using submerged micro-contact printing
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Electropolymerization of nano-dimensioned polypyrrole micro-ring arrays on gold substrates prepared using submerged micro-contact printing

机译：使用浸没式微接触印刷法在金基底上纳米级聚吡咯微环阵列的电聚合

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摘要

Cobaltabisdicarbollide-doped polypyrrole (PPy-[Co(C2B9H11)(2)]) nanostructures have been produced by directed, potentiostatic electropolymerization using a patterned combination of conducting and insulating thiols (4-aminothiophenol and octadecylmercaptan, respectively). The different conducting characters of both self- assembled monolayers guides the PPy-[Co(C2B9H11)(2)] deposition over the pattern. In this way we have produced doped, nanostructured annular polypyrrole rings, similar to 400 nm high and similar to 200 nm wide at full width- half maximum height. Two processes are thought to affect the polypyrrole growth; primarily, the different conducting characters of the self- assembled thiol monolayers, but also the hydrophobic interactions between the electrolyte and the self- assembled monolayer. The effects of the hydrophobicity of the doping anion were also studied by comparing the microstructures obtained for polypyrrole doped with the lipophilic [Co(C2B9H11)(2)](-) anion and those doped with hydrophilic Cl- and ClO4- anions.
机译：使用导电和绝缘硫醇（分别为4-氨基硫酚和十八烷基硫醇）的有图案组合，通过定向恒电位电聚合反应可制得掺杂钴双二咔唑的聚吡咯（PPy- [Co（C2B9H11）（2）]）纳米结构。两个自组装单层的不同导电特性指导图案上的PPy- [Co（C2B9H11）（2）]沉积。通过这种方式，我们生产了掺杂的，纳米结构的环状聚吡咯环，在全宽-最大高度的一半处，其高度接近400 nm，宽度接近200 nm。人们认为有两个过程会影响聚吡咯的生长;主要是自组装硫醇单层的不同导电特性，还有电解质和自组装单层之间的疏水相互作用。还通过比较亲脂性[Co（C2B9H11）（2）]（-）阴离子掺杂的聚吡咯与亲水性Cl-和ClO4-阴离子掺杂的聚吡咯的微观结构，研究了掺杂阴离子的疏水性影响。

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