The excited-state intramolecular proton transfer properties of three imine-linked two-dimensional porous organic polymers

Abstract

We report the synthesis and excited-state intramolecular proton transfer (ESIPT) properties of three tris(N-salicylideneaniline)-based (TSA) imine-linked porous organic polymers (POPs) containing C₃-symmetric 1,3,5-triarylbenzene (TAB), -tristyrylbenzene (TSB), and -tris(arylethynyl)benzene (TAE) monomer units. The TSA–POPs are fluorescent in the solid-state and responsive to Cu²⁺ and Pd²⁺.