Effects of surface plasmon resonant scattering on the power conversion efficiency of organic thin-film solar cells

被引:26
作者
Chang, Y. C. [1 ]
Chou, F. Y. [1 ]
Yeh, P. H. [1 ]
Chen, H. W. [1 ]
Chang, S. -H. [1 ]
Lan, Y. C. [1 ]
Guo, T. F. [1 ]
Tsai, T. C. [2 ]
Lee, C. T. [2 ]
机构
[1] Natl Cheng Kung Univ, Ctr Micro Nano Sci & Technol, Adv Optoelect Technol Ctr, Inst Electro Opt Sci & Engn, Tainan 701, Taiwan
[2] Natl Cheng Kung Univ, Inst Microelect, Tainan 701, Taiwan
来源
JOURNAL OF VACUUM SCIENCE & TECHNOLOGY B | 2007年 / 25卷 / 06期
关键词
D O I
10.1116/1.2806959
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
The power conversion efficiencies of organic solar cells fabricated with Ag and Ti nanoparticle arrays using nanosphere lithography are studied. The Ag nanoparticle array exhibits a broad absorption spectrum peaked at 420 nm, which spectrally overlaps with the absorption band of the organic absorbing layer centered at 520 nm, while no peak presented for the Ti nanoparticle array. Power conversion efficiencies by the solar cells with Ag and Ti nanoparticle arrays are 2.42% and 1.68%, respectively. This efficiency improvement is proposed to originate from the strong surface plasmon resonant scattering of visible light by Ag nanoparticle arrays. (c) 2007 American Vacuum Society.
引用
收藏
页码:1899 / 1902
页数:4
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