用于高效聚合物太阳能电池的二噻吩并[3,2-b]噻吩与萘并[2,3-c]噻吩-4,9-二酮的新型受体单元的 D-A 共聚物。
A D-A copolymer of dithienosilole and a new acceptor unit of naphtho[2,3-c]thiophene-4,9-dione for efficient polymer solar cells.
机构信息
Beijing National Laboratory for Molecular Sciences, Institution of Chemistry, Chinese Academy of Sciences, Beijing 100190, China.
出版信息
Chem Commun (Camb). 2011 Oct 28;47(40):11345-7. doi: 10.1039/c1cc14132e. Epub 2011 Sep 14.
PMID:21918754
Abstract
A strong electron-withdrawing unit, naphtho[2,3-c]thiophene-4,9-dione, was copolymerized with dithienosilole to get a D-A copolymer, PDTSNTDO, with a narrow bandgap and lower-lying HOMO level. The PCE of the PDTSNTDO-based device reached 5.21%, with a high open circuit voltage of 0.88 V.
摘要
强吸电子单元萘并[2,3-c]噻吩-4,9-二酮与二噻吩并硅杂环戊二烯共聚得到具有较窄带隙和较低 HOMO 能级的 D-A 共聚物 PDTSNTDO。基于 PDTSNTDO 的器件的 PCE 达到 5.21%，开路电压高达 0.88V。
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