基于未取代苯并[1,2-b:4,5-b']二噻吩的低带隙聚合物，用于高性能有机光伏。
A low band-gap polymer based on unsubstituted benzo[1,2-b:4,5-b']dithiophene for high performance organic photovoltaics.
机构信息
WCU Hybrid Materials Program and Department of Materials Science and Engineering, Seoul National University, San 56-1, Shillim-dong, Kwanak-ku, Seoul 151-744, Korea.
出版信息
Chem Commun (Camb). 2012 Jul 14;48(55):6933-5. doi: 10.1039/c2cc32985a. Epub 2012 Jun 7.
A low band-gap conjugated polymer, PBDTDPP, composed of unsubstituted benzo[1,2-b:4,5-b']dithiophene and diketopyrrolo[3,4-c]pyrrole was synthesized. The deep HOMO level of PBDTDPP enhances the V(OC) of a PSC up to 0.82 V and exhibits a PCE of 5.16%, while alkoxy substituted PBDTDPP-OR yields a PCE of 2.24% with a V(OC) of 0.61 V.
合成了一种低带隙共轭聚合物 PBDTDPP，其结构由未取代的苯并[1,2-b:4,5-b']二噻吩和二酮吡咯并[3,4-c]吡咯组成。PBDTDPP 的深 HOMO 能级将 PSC 的 V(OC)提高到 0.82 V，并表现出 5.16%的 PCE，而烷氧基取代的 PBDTDPP-OR 的 V(OC)为 0.61 V，PCE 为 2.24%。
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