二甲基亚砜添加剂对聚合物太阳能电池性能的影响.pdfVIP

第 卷 第 期 光 谱 学 与 光 谱 分 析 3 7 ,年 1 月　 　　　　　　　　　　　 Vol.3 7,No.1 ,pp2 8 7-2 9 2 2 0 1 7 1 　　　　　　　　　　　 　Spectroscopy and Spectral Analysis January,20 1 7 　 Influence of Dimethyl Sulfoxide as Processing Additive for Improving Efficiency of Polymer Solar Cells , , , , 1 2 , 1 2 ? , 1 2 , 1 2 YANG Bing-yang HE Da-wei ZHUO Zu-liang WANG Yong-sheng 1 .Key Laboratory of Luminescence and Optical Information (Beijing Jiaotong University),　　 Ministry of Education,Beijing　1 00044,China 2.Institute of Optoelectronic Technology,Beijing Jiaotong University,Beijing　1 00044,China Abstract 　The effect of dimethyl sulfoxide (DMSO)doping concentration on the performance of polymer solar cells (PSCs)based on poly(3-hexylthiophene)(P3 HT)∶(6 ,6)-phenyl C60 butyric acid methyl ester (PCBM) as the active layer was investigated.The results suggest that the doping of DMSO can improve short-circuit J FF J current density ( sc )and fill factor ( )of the PSCs.The cell with 3 % DMSO exhibits enhanced sc (7.88 -2 FF mA·cm ),and (5 5.5 %).The optimized power conversion efficiency (PCE)arrived to 2.54%,which is 1 7% higher than that of the cell without DMSO doping.The Fourier Transform infrared spectroscopy (FT- IR)is used to demonstrate the effect of DMSO doping