Role of tungsten oxide in inverted polymer solar cells
By Chen Tao, S. Ruan, Guohua Xie, Xiangzi Kong, Liang Shen, Fanxu Meng, Caixia Liu, Xindong Zhang, W. Dong, Weiyou Chen. 2009
322 citations recorded by the source corpus.
Tungsten oxide (WO3) was inserted as an anode interfacial layer between the photoactive layer and top electrode in inverted polymer solar cells (PSCs) with nanocrystalline titanium dioxide as an electron selective layer. The device with WO3 exhibited a remarkable improvement in power conversion efficiency compared with that without WO3, which indicated that WO3 efficiently prevented the recombination of charge carriers at the organic/top electrode interface. The dependence of the device performances on WO3 film thickness and different top metal electrodes was investigated. Transparent inverted PSCs with thermally evaporable Ag/WO3 as a transparent anode were also investigated when introducing a WO3 buffer layer.
Subfields: Electrical and Electronic Engineering, Polymers and Plastics
View Paper: https://www.semanticscholar.org/paper/e383ec3dc180168221e0dd2a1b4eac6a38be3f75
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