题目：

A Fused-Ring Based Electron Acceptor for Efficient Non-Fullerene Polymer Solar Cells with Small HOMO Offset

作者：

YongxiLi^a, DepingQian^b, LianZhong^c,d, Jiu-DongLin^a, Zuo-QuanJiang^a,*, Zhi-Guo Zhang^c,*, ZhanjunZhang^d, YongfangLi^c, Liang-ShengLiao^a,*, FenglingZhang^b

单位：

^aJiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Suzhou, Jiangsu 215123, PR China

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

^cBeijing National Laboratory for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, PR China

^dUniversity of Chinese Academy of Sciences, Beijing 100049, PR China

摘要：

A non-fullerene electron acceptor bearing a novel backbone with fused 10-heterocyclic ring (in-dacenodithiopheno-indacenodiselenophene), denoted by IDTIDSe-IC is developed for fullerene free polymer solar cells. IDTIDSe-IC exhibits a low band gap (Eg=1.52eV) and strong absorption in the 600�850 nm region. Combining with a large band gap polymer J51(Eg=1.91eV)as donor, broad absorption  coverage from 300 nm to 800 nm is obtained due to complementary absorption of J51 and IDTIDSe-IC,  which enables a high PCE of 8.02% with a V_OC of 0.91V, a J_SC of 15.16mA/cm² and a FF of 58.0% in the corresponding PSCs. Moreover, the EQE of 50�65% is achieved in the absorption range of IDTIDSe-IC with only about 0.1eV HOMO difference between J51 and IDTIDSe-IC.

影响因子：

10.325

分区情况：

一区

链接：

http://www.sciencedirect.com/science/article/pii/S2211285516302580

（责任编辑：向丹婷 联系方式：dtxiang@suda.edu.cn）