Efficient Molecular Modelling of Butterfly-Shaped Hole Transport Materials With Remarkable Photovoltaic Properties For High-Performance Organic Solar Cells
Abstract:Currently, organic solar cells (OSCs) with non-fullerene electron acceptors offer the highest efficiencies among all reported OSCs. To further improve the efficiencies and stabilities of fullerene-free organic solar cells, end-capped acceptor variations is built with strong electron withdrawing groups. In this report, we have theoretically calculated five new butterfly-shaped fullerene-free acceptors (FD1-FD6) by making end-capped modifications on reference molecule (R) with the purpose to study the improvemen… Show more
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