Abstract
Pyrene based Bigineilli compounds 1–4 were synthesized through one pot, multicomponent organic synthesis and were assessed for their metal binding ability under both organic medium and through forming their ONPs (aqueous medium). Sensors 3 and 4 selectively bind Zn2+ in acetonitrile through quenching in fluorescence intensity of excimer peak at 470nm and amplifying monomer peak (which consist of two shoulder peaks at 380nm and 395nm). ONPs of 3 and 4 in aqueous medium displayed AIEE (aggregation induced enhanced emission) phenomenon through enhancement in fluorescence intensity. Furthermore, ONPs of 3 and 4 sense Fe3+ by quenching fluorescence intensity of both monomer and excimer emission peak. Sensing event of Fe3+ by organic nanoparticles of 3 and 4 was authenticated with CV profile of 3 and 4 with Fe3+.
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