Improved performance of polymer solar cells by using inorganic, organic, and doped cathode buffer layers
Wang Taohong1, Chen Changbo1, Guo Kunping2, Chen Guo2, †, , Xu Tao2, 3, ‡, , Wei Bin2
       

Comparison of (a) the J–V characteristics under 100 mW/cm2 illumination of AM1.5G solar spectrum, and (b) the EQE spectra of the P3HT:PCBM devices with various organic CBLs with that of the P3HT:PCBM device without a CBL.