A Small Molecule Composed of Dithienopyran and Diketopyrrolopyrrole as Versatile Electron Donor Compatible with Both Fullerene and Nonfullerene Electron Acceptors for High Performance Organic Solar Cells

被引：69
|
作者：
Jung, Jae Woong [1 ]
Russell, Thomas P. [2 ]
Jo, Won Ho [1 ]
机构：
[1] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151744, South Korea
[2] Univ Massachusetts, Dept Polymer Sci & Engn, Amherst, MA 01003 USA
来源：
CHEMISTRY OF MATERIALS | 2015年 / 27卷 / 13期
关键词：
HIGH PHOTOVOLTAIC EFFICIENCY; POWER CONVERSION EFFICIENCY; BENZODITHIOPHENE UNIT; V-OC; 10-PERCENT; MORPHOLOGY; POLYMERS;
D O I：
10.1021/acs.chemmater.5b01799
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
A new conjugated small molecule composed of dithienopyran and diketopyrrolopyrrole (DTP-DPP) was synthesized. Since DTP-DPP has advantageous optoelectronic properties for photovoltaic applications such as intense and broad light absorption, proper frontier energy levels, high crystallinity, and high hole mobility, the devices fabricated from the blend with PC71BM and P(NDI2OD-T2) exhibit high power conversion efficiencies of 6.88% and 4.82%, respectively. This work demonstrates that DTP-DPP is a versatile electron donor compatible with both fullerene and nonfullerene acceptors for high performance SM-OSCs.
引用
收藏
页码：4865 / 4870
页数：6
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