A low bandgap asymmetrical squaraine for high-performance solution-processed small molecule organic solar cells

作者：Yang, Daobin; Yang, Qianqian; Yang, Lin; Luo, Qian; Chen, Yao; Zhu, Youqin; Huang, Yan^*; Lu, Zhiyun; Zhao, Suling

来源：Chemical communications, 2014, 50(66): 9346-9348.

DOI：10.1039/c4cc03831b

• OPEN-CIRCUIT VOLTAGE
• D-PI-A
• SIDE-CHAIN
• DYES
• EFFICIENCY
• CHROMOPHORES
• DERIVATIVES

A novel asymmetrical squaraine ASQ-5 bearing indoline as an end capper exhibits a low bandgap of 1.43 eV and a broad absorption band in the Vis-NIR region of 550-850 nm in thin films, hence renders solution-processed organic solar cells with an impressive J(SC) of up to 11.03 mA cm(-2) and an excellent PCE of 4.29%.

• 单位
  四川大学; 北京交通大学