Two triphenylamines(TPA) based diamine monomers, TPCDA and TPNDA, were successfully designed and synthesized, which were of similar chemical structures but different electronic effects. Both TPCDA and TPNDA exhibit aggregation induced emission(AIE) phenomenon, and show intense emission at 395 and 447 nm in the solid state, respectively. They were polymerized with two dianhydrides(BPADA and HQDPA),respectively, to form four novel polyimides with excellent thermal stability. The fluorescence of the polyimides...