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Proceedings Paper

Enhanced efficiency of organic solar cells with silver nanowire electrodes
Author(s): Ting Xu; Myung-Gyu Kang; Hui-Joon Park; L. Jay Guo
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Paper Abstract

Surface plamon resonance (SPR) in metallic nanostructures offers a promising way to enhance the power conversion efficiency (PCE) of organic solar cell as it exhibits strongly enhanced electromagnetic fields in the vicinity of the metal, which can lead to increased optical absorption in the organic film. Here we demonstrate the SPR enhanced photo-current and PCE of organic solar cells using periodic Ag nanowires as transparent electrodes as compared to the device with conventional ITO electrode. Photo-currents and external quantum efficiencies (EQE) are enhanced as much as 40 % and 2.5 fold at a wavelength of 570 nm, respectively, resulting in 35% overall increase in power conversion efficiency than the ITO control device. The use of plasmonic transparent Ag nanowire electrode may help to realize low cost and high performance organic solar cells.

Paper Details

Date Published: 21 February 2011
PDF: 6 pages
Proc. SPIE 7933, Physics and Simulation of Optoelectronic Devices XIX, 793329 (21 February 2011); doi: 10.1117/12.874380
Show Author Affiliations
Ting Xu, Univ. of Michigan, Ann Arbor (United States)
Myung-Gyu Kang, Univ. of Michigan, Ann Arbor (United States)
Hui-Joon Park, Univ. of Michigan, Ann Arbor (United States)
L. Jay Guo, Univ. of Michigan, Ann Arbor (United States)


Published in SPIE Proceedings Vol. 7933:
Physics and Simulation of Optoelectronic Devices XIX
Bernd Witzigmann; Fritz Henneberger; Yasuhiko Arakawa; Alexandre Freundlich, Editor(s)

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