Terminal group engineering for small-molecule donors boosts the performance of nonfullerene organic solar cells
Tainan Duan, Hua Tang, Ru-Ze Liang, Jie Lv, Zhipeng Kan, Ranbir Singh, Manish Kumar, Zeyun Xiao, Shirong Lu, Frederic Laquai
Journal of Materials Chemistry A | ROYAL SOC CHEMISTRY | Published : 2019
Two new small molecule donors (BDT-RO and BDT-RN) with esterified rhodanine (RE) as the terminal group are designed and synthesized. By combining with the fused-ring acceptor IDIC, a high PCE of over 9.0% is achieved by BDT-RO, and its isomer BDT-RN also shows a PCE close to 8.4%.
Awarded by National Natural Science Foundation of China
Awarded by CAS Pioneer Hundred Talents Program
Awarded by Recruitment Program of Global Experts
Awarded by Youth Innovation Fund
Awarded by Natural Science Foundation of Chongqing
This work was financially supported by the National Natural Science Foundation of China (No. 61805245 and No. 21702202), CAS Pioneer Hundred Talents Program (Y82A060Q10), Recruitment Program of Global Experts (R52A199Z10), Youth Innovation Fund (Y82Z330Q10) and Natural Science Foundation of Chongqing (cstc2015jcyjB0628 and cstc2017rgznzdyfX0030). The research reported in this publication was also supported by funding from the King Abdullah University of Science and Technology (KAUST). Tainan Duan and Hua Tang contributed equally to this work.