A series of organosoluble, aromatic polyamides were synthesized from a 4-methyl-substituted, triphenylamine-containing, aromatic diacid monomer, 4,4'-dicarboxy-4"-methyltriphenylamine, which is a blue-light (454-nm) emitter with a fluorescence quantum efficiency of 46%. These triphenylamine-based, high-performance polymers had strong fluorescence emissions in the blue region with high quantum yields up to 64% and one reversible oxidation redox couple around 1.20 V versus Ag/AgCl in acetonitrile solutions. They exhibited good thermal stability, with 10% weight loss temperatures above 480 degrees C under a nitrogen atmosphere and with relatively high glass-transition temperatures (252-309 degrees C). All the polyamides revealed excellent stability of electrochromic characteristics, changing color from the original pale yellow to blue. (c) 2006 Wiley Periodicals, Inc.