A low cost and high performance polymer donor material for polymer solar cells

Nature Communications
Chenkai SunYongfang Li

Abstract

The application of polymer solar cells requires the realization of high efficiency, high stability, and low cost devices. Here we demonstrate a low-cost polymer donor poly[(thiophene)-alt-(6,7-difluoro-2-(2-hexyldecyloxy)quinoxaline)] (PTQ10), which is synthesized with high overall yield of 87.4% via only two-step reactions from cheap raw materials. More importantly, an impressive efficiency of 12.70% is obtained for the devices with PTQ10 as donor, and the efficiency of the inverted structured PTQ10-based device also reaches 12.13% (certificated to be 12.0%). Furthermore, the as-cast devices also demonstrate a high efficiency of 10.41% and the devices exhibit insensitivity of active layer thickness from 100 nm to 300 nm, which is conductive to the large area fabrication of the devices. In considering the advantages of low cost and high efficiency with thickness insensitivity, we believe that PTQ10 will be a promising polymer donor for commercial application of polymer solar cells.

References

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Citations

Aug 10, 2018·Advanced Materials·Yuanpeng XieYanming Sun
Aug 15, 2018·Small·Rongming XueYongfang Li
Apr 24, 2019·Chemphyschem : a European Journal of Chemical Physics and Physical Chemistry·Zhongrong TianWeiwei Li
Jun 18, 2019·Chemistry : a European Journal·Jheng-Guang LiShiao-Wei Kuo
Jul 17, 2019·Chemistry, an Asian Journal·Qunping FanYongfang Li
Nov 14, 2019·Polymers·Thang Phan NguyenQuyet Van Le
Jan 3, 2020·Macromolecular Rapid Communications·Kun WangYongfang Li
Dec 28, 2018·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Zhonglian WuRenqiang Yang
May 16, 2019·Nature Communications·Zhi-Peng YuHongzheng Chen
Oct 30, 2020·Chemical Communications : Chem Comm·Lijiao MaJianhui Hou
Nov 15, 2020·The Journal of Chemical Physics·Santosh AdhikariAdrienn Ruzsinszky
Mar 16, 2021·Journal of the American Chemical Society·Rui WangMin Xiao

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Methods Mentioned

BETA
X-ray
column chromatography

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