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Simply Complex: The Efficient Synthesis of an Intricate Molecular Acceptor for High-Performance Air-Processed and Air-Tested Fullerene-Free Organic Solar Cells

Abstract : A perylene diimide (PDI) flanked diketopyrrolopyrrole (DPP) π-conjugated small molecule has been synthesized through an efficient and sustainable direct heteroarylation protocol. When paired with the donor polymer PTB7-Th, air-processed and tested bulk-heterojunction (BHJ) organic solar cells (OSCs) achieved a high power conversion efficiency (PCE) of 5.6%. The new acceptor showed favorable morphological changes upon solvent vapor annealing leading to a near 3-fold increase in PCE. This result is among the best reported utilizing DPP-based acceptors in air-processed and tested OSCs. All solar cells exhibited good air and light stability over a 35-day evaluation period.
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https://hal.univ-angers.fr/hal-02564166
Contributeur : Okina Université d'Angers <>
Soumis le : mardi 5 mai 2020 - 17:36:43
Dernière modification le : mardi 7 juillet 2020 - 16:04:14

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Seth Mcafee, Sergey Dayneko, Pierre Josse, Philippe Blanchard, Clément Cabanetos, et al.. Simply Complex: The Efficient Synthesis of an Intricate Molecular Acceptor for High-Performance Air-Processed and Air-Tested Fullerene-Free Organic Solar Cells. Chemistry of Materials, American Chemical Society, 2017, 29 (3), pp.1309-1314. ⟨10.1021/acs.chemmater.6b04862⟩. ⟨hal-02564166⟩

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