接受者
材料科学
串联
开路电压
有机太阳能电池
能量转换效率
光伏系统
电子受体
轨道能级差
分子间力
分子
纳米技术
光化学
电压
光电子学
电气工程
化学
有机化学
物理
聚合物
量子力学
工程类
复合材料
凝聚态物理
作者
Huifeng Yao,Long Ye,Junxian Hou,Bomee Jang,Guangchao Han,Yong Cui,Gregory M. Su,Cheng Wang,Bin Gao,Runnan Yu,Hao Zhang,Yuanping Yi,Han Young Woo,Harald Ade,Jianhui Hou
标识
DOI:10.1002/adma.201700254
摘要
A new acceptor-donor-acceptor-structured nonfullerene acceptor ITCC (3,9-bis(4-(1,1-dicyanomethylene)-3-methylene-2-oxo-cyclopenta[b]thiophen)-5,5,11,11-tetrakis(4-hexylphenyl)-dithieno[2,3-d':2,3-d']-s-indaceno[1,2-b:5,6-b']-dithiophene) is designed and synthesized via simple end-group modification. ITCC shows improved electron-transport properties and a high-lying lowest unoccupied molecular orbital level. A power conversion efficiency of 11.4% with an impressive V OC of over 1 V is recorded in photovoltaic devices, suggesting that ITCC has great potential for applications in tandem organic solar cells.
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