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Solution processed Small molecular OSCs, PCE, 7.8% 报道最高的。
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南开大学陈永胜课题组报道了溶液加工小分子有机太阳能电池的最高效率，7.8 %， 看来小分子潜力啊 Small Molecules Based on Benzo[1,2-b:4,5-b′]dithiophene Unit for High-Performance Solution-Processed Organic Solar Cells Jiaoyan Zhou,†,§ Xiangjian Wan,†,§ Yongsheng Liu,† Yi Zuo,† Zhi Li,† Guangrui He,† Guankui Long,† Wang Ni,† Chenxi Li,† Xuncheng Su,‡ and Yongsheng Chen*,† †Key Laboratory for Functional Polymer Materials and Centre for Nanoscale Science and Technology, Institute of Polymer Chemistry, and ‡State Key Laboratory of Elemento-Organic Chemistry, College of Chemistry, Nankai University, Tianjin 300071, China *S Supporting Information ABSTRACT: Small molecules, namely, DCAO3TBDT and DR3TBDT, with 2-ethylhexoxy substituted BDT as the central building block and octyl cyanoacetate and 3-ethylrhodanine as different terminal units with the same linkage of dioctyltertthiophene, have been designed and synthesized. The photovoltaic properties of these two molecules as donors and fullerene derivatives as the acceptors in bulk heterojunction solar cells are studied. Among them, DR3TBDT shows excellent photovoltaic performance, and power conversion efficiency as high as 7.38% (certified 7.10%) under AM 1.5G irradiation (100 mW cm−2) has been achieved using the[ Last edited by qiji830404 on 2012-10-1 at 15:47 ] |
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