Electrodeposited Composite of Poly-3,4-ethylenedioxythiophene with Fullerenol Photoactive in the Near-IR Range

被引：1

作者：

Gribkova, O. L. ^{[1
]}

Sayarov, I. R. ^{[1
]}

Kabanova, V. A. ^{[1
]}

Nekrasov, A. A. ^{[1
]}

Tameev, A. R. ^{[1
]}

机构：

[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Moscow, Russia

来源：

RUSSIAN JOURNAL OF ELECTROCHEMISTRY | 2024年 / 60卷 / 10期

基金：

俄罗斯科学基金会;

关键词：

PEDOT; fullerenol; electrochemical polymerization; spectroelectrochemistry; photoconductivity; POLY(3,4-ETHYLENEDIOXYTHIOPHENE); FILMS;

D O I：

10.1134/S1023193524700381

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

The electrochemical polymerization of 3,4-ethylenedioxythiophene in the presence of a water-soluble Na+-containing fullerene with hydroxyl groups is studied. The monitoring of the electrosynthesis process by spectroscopic methods shows that during the polymerization of 3,4-ethylenedioxythiophene, fullerenol incorporates into the film composition, regardless of the fullerenol concentration used. The electronic structure, morphology, spectroelectrochemical and electrochemical properties, and near-IR photoconductivity of the poly-3,4-ethylenedioxythiophene-fullerenol composite films are studied for the first time. A mechanism of photoconductivity is proposed, related to the fact that during the photoexcitation of the composite, the electron transfer from the polaron (bipolaron) state of poly-3,4-ethylenedioxythiophene to the LUMO level of fullerenol increases the concentration of photogenerated charge carriers.

引用

页码：813 / 822

页数：10

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