Multi-colored electrochromic polymers based on BEDOT-pyridines

Authors
Du Bois, CJ Larmat, F Irvin, DJ Reynolds, JR
Citation
Cj. Du Bois et al., Multi-colored electrochromic polymers based on BEDOT-pyridines, SYNTH METAL, 119(1-3), 2001, pp. 321-322
Citations number
8
Categorie Soggetti
Apllied Physucs/Condensed Matter/Materiales Science
Journal title
SYNTHETIC METALS
ISSN journal
03796779 → ACNP
Volume
119
Issue
1-3
Year of publication
2001
Pages
321 - 322
Database
ISI
SICI code
0379-6779(20010315)119:1-3<321:MEPBOB>2.0.ZU;2-B
Abstract
The poly {2,5-bis[2-(3,4-ethylenedioxythienyl)]pyridine (PBEDOT-Pyr) family , which includes PBEDOT-Pyr, PBTh-PyrPyr (poly5,8-bis(2-thienyl)-2,3-diphen ylpyrido[3,4-b]pyrazine}), and PBEDOT-PyrPyr (poly{5,8-bis(3,4-ethylenediox y-2-thienyl)-2,3- diphenylpyrido[3,4-b]pyrazine}), are presented as a new f amily of low band gap donor acceptor (D-A) polymers which exhibit multi-col or electrochromism. Bandgaps for the polymers range from 1.9 eV for PBEDOT- Pyr io 1.2 eV for PBEDOT-PyrPyr. BEDOT-Pyr has three color states: sky blue reduced, dark red neutral, and purple oxidized. PBEDOT-PyrPyr switches bet ween a bright green neutral form and gray oxidized form.