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In the last few years, organic solar cells (OSCs) have made significant progress in photovoltaic performance, mainly due to the innovative development of active layer materials, especially Y‐series and related derivatives as acceptors which have become the key factor that boosts the power conversion efficiency. Recently, to achieve high‐performance OSCs, an emerging molecular design strategy of applying...
Fine‐tuning of the electron‐deficient unit in A‐DA1D‐A typed small‐molecule acceptors (SMAs) plays a crucial role in developing efficient SMAs for organic solar cells (OSCs). Here, we developed a SMA based on benzo[4,5]thieno[2,3‐b]quinoxaline, designated as QW1, as well as three SMAs based on 1‐methylindoline‐2,3‐dione, identified as QW2, QW3, and QW4. Compared with QW2, QW1 displays slightly blue‐shifted...
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