Highly efficient fused ring electron acceptors based on a new undecacyclic core

Fuwen Zhao; Dan He; Jingming Xin; Huotian Zhang; Jixiang Zhou; Baojun Lin; Yongju He; Jiang Li; Wei Ma; Bao Li; Feng Gao; Yongfang Li; Chunru Wang

doi:10.1039/D0QM00984A

Highly efficient fused ring electron acceptors based on a new undecacyclic core†

Fuwen Zhao,*^abc Dan He,*^a Jingming Xin,^d Huotian Zhang,^c Jixiang Zhou,^a Baojun Lin,^d Yongju He,

^a Jiang Li,

^b Wei Ma,^d Bao Li,^e Feng Gao,

^c Yongfang Li

^b and Chunru Wang

*^b

Author affiliations

* Corresponding authors

^a State Key Laboratory of Powder Metallurgy, Central South University, Changsha 410083, P. R. China
E-mail: zhaofuwen@csu.edu.cn, hedanzfw@iccas.ac.cn

^b Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China
E-mail: crwang@iccas.ac.cn

^c Department of Physics Chemistry and Biology (IFM), Linköping University, Linköping SE-58183, Sweden

^d State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, P. R. China

^e School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang 453007, P. R. China

Abstract

Two FREAs, IUIC-O and IUIC-T, based on an undecacyclic core were developed. IUIC-T having a higher extinction coefficient affords aligned energy levels with PBDB-T, finer nanoscale morphology and more orderly molecular stacking, thus achieving more efficient exciton dissociation and charge transport. Therefore, the PBDB-T:IUIC-T based OSC gains a higher PCE of 13.05%.

Materials Chemistry Frontiers

Highly efficient fused ring electron acceptors based on a new undecacyclic core†

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Highly efficient fused ring electron acceptors based on a new undecacyclic core

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