PEDOT electrodeposition on oriented mesoporous silica templates for electrochromic devices

Sofia M. Fonseca, Tiago Moreira, A. Jorge Parola, Carlos Pinheiro, César A T Laia

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Poly(3,4-ethylenedioxythiophene) (PEDOT) has been electrochemically polymerized from 3,4-ethylenedioxythiophene (EDOT) monomers through a vertically oriented mesoporous silica matrix previously formed on FTO electrodes. The mesoporous silica thin films with pore channels of 3 nm in diameter, closely packed in a hexagonal arrangement, were obtained by electrochemically-assisted self-assembly (EASA). The mesoporous silica/PEDOT films were characterized by SEM and TEM microscopy and by cyclic voltammety. They were also used to construct electrochromic devices (ECDs), which were fully characterized for switching speed, coloration efficiencies, and cycling and voltammetric responses.

Original languageEnglish
Pages (from-to)94-101
Number of pages8
JournalSolar Energy Materials and Solar Cells
Volume159
DOIs
Publication statusPublished - Jan 2017

Keywords

  • WO3 THIN-FILMS
  • POLY(3,4-ETHYLENEDIOXYTHIOPHENE) PEDOT
  • PERSPECTIVE
  • POLYMERS
  • OXIDE

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