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真黑素前体2-羧基-5,6-二羟基吲哚（DHICA）作为三元（PEDOT:PSS/真黑素）薄膜中用于提高导电性的掺杂因子。

Eumelanin Precursor 2-Carboxy-5,6-Dihydroxyindole (DHICA) as Doping Factor in Ternary (PEDOT:PSS/Eumelanin) Thin Films for Conductivity Enhancement.

作者信息

Migliaccio Ludovico, Gesuele Felice, Manini Paola, Maglione Maria Grazia, Tassini Paolo, Pezzella Alessandro

机构信息

Department of Chemical Sciences, University of Naples "Federico II", 80126 Naples, Italy.

Department of Physics "Ettore Pancini", University of Naples "Federico II", 80126 Naples, Italy.

出版信息

Materials (Basel). 2020 May 2;13(9):2108. doi: 10.3390/ma13092108.

DOI:10.3390/ma13092108
PMID:32370189
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC7254328/
Abstract

The integration of the pristine not-doped commercial poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) PH1000 with eumelanin, the brown to black kind of melanin pigment, was achieved by dissolving the melanogenic precursors 2-carboxy-5,6-dihydroxyindole (DHICA) in the PH1000 suspension. Solid state oxidative polymerization of the catecholic indole allowed obtaining the ternary blend PEDOT:PSS/eumelanin. The introduction of DHICA into PH1000 produced a noticeable increase in the conductivity of PEDOT thin films akin to that produced by dimethyl sulfoxide (DMSO) treatment, opening up novel strategies for the simultaneous integration of eumelanin polymer and conductivity enhancement of PEDOT containing coatings, as well as the long term goal of replacing PSS by DHICA eumelanin for PEDOT pairing.

摘要

通过将黑色素生成前体2-羧基-5,6-二羟基吲哚（DHICA）溶解在PH1000悬浮液中，实现了原始未掺杂的商业聚（3,4-乙撑二氧噻吩）：聚（苯乙烯磺酸盐）（PEDOT:PSS）PH1000与真黑素（棕色至黑色的黑色素色素）的整合。邻苯二酚吲哚的固态氧化聚合使得能够获得三元共混物PEDOT:PSS/真黑素。将DHICA引入PH1000导致PEDOT薄膜的电导率显著增加，类似于二甲基亚砜（DMSO）处理所产生的增加，这为同时整合真黑素聚合物和提高含PEDOT涂层的电导率开辟了新策略，以及用DHICA真黑素替代PSS用于PEDOT配对的长期目标。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/8311f5132540/materials-13-02108-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/2189906d90e0/materials-13-02108-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/ea92a33ef3dc/materials-13-02108-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/5d0cdcb2e0bd/materials-13-02108-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/e726b2069ee3/materials-13-02108-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/0cb302e3612d/materials-13-02108-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/8311f5132540/materials-13-02108-g005.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/2189906d90e0/materials-13-02108-sch001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/ea92a33ef3dc/materials-13-02108-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/5d0cdcb2e0bd/materials-13-02108-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/e726b2069ee3/materials-13-02108-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/0cb302e3612d/materials-13-02108-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/6d85/7254328/8311f5132540/materials-13-02108-g005.jpg

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