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We report the modulation of the dual photo/thermo-responsive multicolor fluorescence from poly(N-isopropyl acrylate) pNIPAM-based nanogels. The thermo-responsive pNIPAM-crosslinked matrix was covalently copolymerized with nitrobenzoxadiazole (NBD) monomers as a Förster resonance energy transfer (FRET) donor and electrostatically conjugated with photochromic spiropyran (SP) dyes as a FRET acceptor...
The rate control of decolorization of photochromic chalcone containing polymer with spiropyran dye was achieved successfully by virtue of [2π+2π] photo-cycloaddition between the chalcone units. The kinetic measurement was conducted to prove the photostability of the merocyanine chromophore that is colored species of spiropyran. The chalcone-epoxy polymer system that contains chalcone group in the...
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