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Guangjin Zhao, Youjun He, Zheng Xu, Jianhui Hou, Maojie Zhang, Jie Min, Hsiang-Yu Chen, Mingfu Ye, Ziruo Hong, Yang Yang and Yongfang Li Effect of Carbon Chain Length in the Substituent of PCBM-like Molecules on Their Photovoltaic Properties Advanced Functional Materials 20

Version of Record online: 1 APR 2010 | DOI: 10.1002/adfm.200902447

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A series of PCBM-like fullerene derivatives, F1–F5, are synthesized to investigate the relationship between photovoltaic properties and the molecular structure of the fullerene derivative acceptors. F2 with a butyl chain is PCBM itself for comparison. The photovoltaic behavior of P3HT/F1 and P3HT/F4 polymer solar cell systems are similar to or slightly better than that of the P3HT/PCBM device, while the performances of the P3HT/F3 and P3HT/F5 systems were poorer.

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