Developing Y‐Branched Polymer Acceptor with 3D Architecture to Reconcile Between Crystallinity and Miscibility Yielding >15% Efficient All‐Polymer Solar Cells
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DOI: 10.1002/advs.202200864
Abstract: In all‐polymer solar cells (all‐PSCs), there remains such a dilemma that obtains good miscibility and crystallinity simultaneously. Herein a new family of Y‐shape polymer acceptor, namely PYTT is developed, which is copolymerized from Y6 and… read more here.
Keywords: polymer; solar cells; polymer solar; polymer acceptor ... See more keywords
Amorphous Polymer Acceptor Containing B ← N Units Matches Various Polymer Donors for All-Polymer Solar Cells
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DOI: 10.1021/acs.macromol.9b01394
Abstract: Polymer acceptors for high-efficiency all-polymer solar cells (all-PSCs) are generally semicrystalline. In this manuscript, we report an amorphous polymer acceptor, which matches well with a variety of polymer donors to produce efficient all-PSCs. The amorphous… read more here.
Keywords: polymer; polymer donors; amorphous polymer; polymer acceptor ... See more keywords
Small Molecular Donor/Polymer Acceptor Type Organic Solar Cells: Effect of Molecular Weight on Active Layer Morphology
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DOI: 10.1021/acs.macromol.9b01666
Abstract: Organic solar cells (OSCs) based on small molecular donor/polymer acceptor (MD/PA) blends have the advantage of excellent thermal stability, but they suffer from low photovoltaic efficiency because... read more here.
Keywords: organic solar; molecular donor; donor polymer; small molecular ... See more keywords
Morphology of small molecular donor/polymer acceptor blends in organic solar cells: effect of the π–π stacking capability of the small molecular donors
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DOI: 10.1039/c9tc03819a
Abstract: A small molecular donor with strong π–π stacking overaggregates into discontinuous large domains, while a small molecular donor with weak π–π stacking remains amorphous in the as-cast film and crystallizes into nano-sized domains during thermal… read more here.
Keywords: molecular donor; donor polymer; morphology small; small molecular ... See more keywords
Effect of polymer donor aggregation on the active layer morphology of amorphous polymer acceptor-based all-polymer solar cells
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DOI: 10.1039/c9tc06668c
Abstract: Most of the polymer acceptors for all-polymer solar cells (all-PSCs) are semi-crystalline. Amorphous polymer acceptors containing B ← N units represent a new class of acceptor materials and possess unique phase separation behaviours in all-PSCs.… read more here.
Keywords: aggregation; polymer; morphology; amorphous polymer ... See more keywords