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Department of Physics

Simple A-D2-A Nonfullerene Acceptors for Efficient Binary Bulk Heterojunction Organic Solar Cells

Abstract: Two new nonfused ring nonfullerene electron acceptors, NFAs, (dicarbazolyl)bis(2-(3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile) (MDCzM-4H) and -(2-(5,6-fluoro-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile) (MDCzM-4F), thus exhibiting an A-D2-A motif, were synthesized and characterized. As thin films, they exhibit the lowest …

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Efficient Ternary Polymer solar cells based ternary active layer consisting of conjugated polymers and non-fullerene acceptors with power conversion efficiency approaching near to 15.5%

Ternary polymer solar cells employing two polymers (P2, PTB7-Th) and one non-fullerene small molecule acceptor (Y6) were constructed using a conventional structure. The PTB7-Th, P2 and Y6 exhibit complementary absorption …

Efficient Ternary Polymer solar cells based ternary active layer consisting of conjugated polymers and non-fullerene acceptors with power conversion efficiency approaching near to 15.5% Read More »