Novel thermally stable triarylamine-containing aromatic polyamides bearing anthrylamine chromophores for highly efficient green-light-emitting materials
Journal
Journal of Polymer Science, Part A: Polymer Chemistry
Journal Volume
46
Journal Issue
22
Pages
7354-7368
Date Issued
2008
Author(s)
Yen, H.-J.
Abstract
Abstract A series of novel polyamides with pendent anthrylamine units were prepared via the direct phosphorylation polycondensation from various diamines and the anthrylamine‐based aromatic dicarboxylic acid, 9‐[ N , N ‐di(4‐carboxyphenyl)amino]anthracene (4). The aromatic polyamides had useful levels of thermal stability associated with relatively high softening temperatures ( T s ) (290–300 °C), 10% weight‐loss temperatures ( T d 10 ) nearly in excess of 550 °C, and char yields at 800 °C in nitrogen higher than 60%. These aromatic polyamides I exhibited highly photoluminescence quantum yield in NMP solution ranges from 55% for Ia to 74% for Ie due to the introduction of anthrylamine chromophores. Cyclic voltammograms of the polyamide films cast onto an indium‐tin oxide (ITO)‐coated glass substrate exhibited one oxidation and reduction couples ( E onset ) around 1.10 and −1.50 V versus Ag/AgCl in acetonitrile (CH 3 CN) and DMF solutions, respectively. © 2008 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 46: 7354–7368, 2008
Type
journal article