A three-dimensional thiophene-annulated perylene bisimide as a fullerene-free acceptor for a high performance polymer solar cell with the highest PCE of 8.28% and a VOC over 1.0 VElectronic supplementary information (ESI) available: Synthesis, calculations, SCLC plots. See DOI: 10.1039/c7tc05261h

A new propeller-shaped small-molecule acceptor of BPT-S with S-annulated perylene bisimide (PBI) as peripheral groups was designed and synthesized. Compared to the unannulated counterpart ( BPT ), BPT-S exhibits a blue-shift absorption spectrum, stronger absorption in the region of 400-510 nm, highe...

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Hauptverfasser:	Luo, Zhenghui, Liu, Tao, Cheng, Wanli, Wu, Kailong, Xie, Dongjun, Huo, Lijun, Sun, Yanming, Yang, Chuluo
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