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Proceedings Paper

Improved performance of polymer/TiO2 nanorods bulk heterojunction photovoltaic devices by interface modification
Author(s): Yun-Yue Lin; S. S. Lee; Tsung-Hung Chu; Wei-Fang Su; Chun-Wei Chen
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Paper Abstract

In this article, the polymer photovoltaic devices based on the poly(3-hexylthiophene)/TiO2 nanorods hybrid material is present. An enhancement in the device performance can be achieved by removing or replacing the insulating surfactant on the TiO2 nanorods surface with a more conductive ligand, which can play the role to assist charge separation efficiency or also to prevent from back recombination, giving a large improvement in the short circuit current and fill factor. The relatively high power conversion efficiency of 2.2 % under simulated A.M. 1.5 illumination (100mW/cm2) can be achieved, providing a route for fabricating low-cost, environmentally friendly polymer photovoltaic devices by all-solution processes.

Paper Details

Date Published: 3 September 2008
PDF: 8 pages
Proc. SPIE 7052, Organic Photovoltaics IX, 70520S (3 September 2008); doi: 10.1117/12.792071
Show Author Affiliations
Yun-Yue Lin, National Taiwan Univ. (Taiwan)
S. S. Lee, National Taiwan Univ. (Taiwan)
Tsung-Hung Chu, National Taiwan Univ. (Taiwan)
Wei-Fang Su, National Taiwan Univ. (Taiwan)
Chun-Wei Chen, National Taiwan Univ. (Taiwan)


Published in SPIE Proceedings Vol. 7052:
Organic Photovoltaics IX
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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