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Proceedings Paper

Silicon nanowire/poly(3,4-ethylenedioxythiophene): poly(styrenesulfonate) heterojunction solar cells
Author(s): Shu-Chia Shiu; Jiun-Jie Chao; Shih-Che Hung; Chin-Liang Yeh; Ching-Fuh Lin
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Paper Abstract

The characteristics of the well-aligned silicon nanowire/poly(3,4-ethylenedioxy- thiophene):poly(styrenesulfonate) (PEDOT:PSS) heterojunction solar cells are investigated. The PEDOT:PSS adheres on the n-type silicon nanowire surface to form core-sheath heterojunction structure. A novel front contact is proposed here to enhance the carrier collection efficiency for the nanostructured emitter. The cells exhibit stable rectifying diode behavior. Such structure increases the area of junctions and shortens exciton diffusion distance, and therefore greatly increases exciton dissociating probability. Compared to the devices without nanowire structure, the power conversion efficiency improves from 0.08 % to 4.99 %.

Paper Details

Date Published: 19 August 2010
PDF: 6 pages
Proc. SPIE 7772, Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion, 777216 (19 August 2010); doi: 10.1117/12.860721
Show Author Affiliations
Shu-Chia Shiu, National Taiwan Univ. (Taiwan)
Jiun-Jie Chao, National Taiwan Univ. (Taiwan)
Shih-Che Hung, National Taiwan Univ. (Taiwan)
Chin-Liang Yeh, National Taiwan Univ. (Taiwan)
Ching-Fuh Lin, National Taiwan Univ. (Taiwan)

Published in SPIE Proceedings Vol. 7772:
Next Generation (Nano) Photonic and Cell Technologies for Solar Energy Conversion
Loucas Tsakalakos, Editor(s)

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