A Very Low Band Gap Diketopyrrolopyrrole-Porphyrin Conjugated Polymer

Abstract : A porphyrin-diketopyrrolopyrrole-containing polymer (poly(porphyrin-diketopyrrolopyrrole) (PPDPP)) shows impressive molar absorption coefficients from lambda=300 to 1000 nm. The photophysical and structural properties of PPDPP have been studied. With PPDPP as the electron donor and [ 6,6]phenyl C-71 butyric acid methyl ester (PC71BM) as the electron acceptor, the bulk heterojunction polymer solar cell showed overall power conversion efficiencies of 4.18 and 6.44% for as-cast and two-step annealing processed PPDPP: PC71BM (1: 2) active layers, respectively. These results are quite impressive for porphyrin-containing polymers, especially when directly included in the pi-conjugated backbone, and offer interesting perspectives for the design of new materials based on this chromophore.
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https://hal-univ-bourgogne.archives-ouvertes.fr/hal-01562019
Contributeur : Icmub - Université de Bourgogne <>
Soumis le : jeudi 13 juillet 2017 - 14:50:02
Dernière modification le : mardi 20 février 2018 - 11:38:06

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Léo Bucher, Loïc Tanguy, Daniel Fortin, Nicolas Desbois, Pierre D. Harvey, et al.. A Very Low Band Gap Diketopyrrolopyrrole-Porphyrin Conjugated Polymer. ChemPlusChem, Wiley, 2017, 82 (4), pp.625 - 630. 〈http://onlinelibrary.wiley.com/doi/10.1002/cplu.201700035/full〉. 〈10.1002/cplu.201700035〉. 〈hal-01562019〉

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