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Proceedings Paper

Gigantic absorption enhancement using nanostructured metal films: application to organic solar cells
Author(s): Yuanjie Pang; Reuven Gordon
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Paper Abstract

Organic thin film solar cells have been researched as a low-cost alternative in solar energy technologies, but they usually have lower light harvesting efficiency. In this manuscript, a nanostructured metal film (NMF) fabricated based on self-assembly techniques is studied as a way to enhance the light absorbance in the absorbing layer, by the excitation of localized surface plasmon resonance. Finite-difference time-domain computations shows a 7-fold enhancement to the light absorbance in a 10 nm poly(3-hexylthiophene) (P3HT) layer on the NMF comparing to on flat metal. This result shows the possibility of an organic solar cell with a very thin absorbing layer and yet having a high efficiency. The NMF is also advantageous in its mass-producibility. Preliminary experimental results are also included.

Paper Details

Date Published: 22 September 2010
PDF: 6 pages
Proc. SPIE 7750, Photonics North 2010, 77502O (22 September 2010); doi: 10.1117/12.871062
Show Author Affiliations
Yuanjie Pang, Univ. of Victoria (Canada)
Reuven Gordon, Univ. of Victoria (Canada)

Published in SPIE Proceedings Vol. 7750:
Photonics North 2010
Henry P. Schriemer; Rafael N. Kleiman, Editor(s)

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