نتایج جستجو برای: diketopyrrolopyrrole
تعداد نتایج: 368 فیلتر نتایج به سال:
We report a facile and general strategy for enhancing the photostability of organic fluorophores for bioimaging applications. As a proof of concept, bright and robust fluorescence was observed in solid states of a well-defined synthetic polymer polycaprolactone consisting of di(thiophene-2-yl)-diketopyrrolopyrrole covalently linked in the middle of the polymer chain as a biocompatible and biore...
Different crystal phase with a same chemical structure, polymorphous, is a specific physical characteristic which determine the end usage of pigments especially in high performance ones. Diketopyrrolopyrrole DPP derivatives, as one of the innovative in heterocyclic pigments, follow this pattern. Synthesis of pigment red 254 in selected crystal phase using ionic liquids was achieved without any ...
UNLABELLED The impact of side-chain variations on the photothermal stability of solar cells containing poly(benzodithiophene-diketopyrrolopyrrole) polymers are investigated in the absence of oxygen. Four different side-chains of benzodithiophene (BDT) are synthesized and copolymerized with diketopyrrolopyrrole (DPP) by Stille polymerization. The photothermal stability is measured as active laye...
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