Performance enhancement of polymer solar cells with high work function CuS modified ITO as anodes
作者： Hongwei Lei , Pingli Qin , Weijun Ke , Yaxiong Guo , Xin Dai
DOI: 10.1016/J.ORGEL.2015.03.051
关键词:
摘要: Abstract In this paper, a thin layer of high work function CuS was introduced to the interface between anode and hole transporting (HTL) modify indium tin oxide (ITO) anode. Modified ITO substrates possess higher function, lower sheet resistance negligible loss in transparency. More importantly, can also benefit for device. Polymer solar cells (PSCs) utilizing modified anodes exhibit significant enhancement power conversion efficiency ( PCE ) air stability compared devices with normal anodes. This modification strategy applies different active systems. Anode-modified poly (3-hexylthiophene) (P3HT) [6,6]-phenyl-C61-butyric acid methyl ester (PC 61 BM) as 3.5%, while poly(4,8-bis(5-(2-ethyl-hexyl)-thiophene-2-yl)-benzo[l,2-b:4,5-b′] dithiophene-alt-alkylcarbonyl-thieno[3,4-b]thiophene) (PBDTTT-C-T) [6,6]-phenyl-C71-butyric 71 system shows 7.4%. As result, provides good compatibility by PSCs achieve better performance.
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