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Proceedings Paper

Charge separation and transport properties of photovoltaic devices based on MEHPPV/TiO2 nanorods hybrid materials
Author(s): Tsung-Wei Zeng; Yu-Ting Lin; Chun-Wei Chen; Wei-Fang Su
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Paper Abstract

Photovoltaic devices based on the conjugated polymer (poly(2-methoxy-5-(2'-ethyl)(hexyloxy)1,4-phenylenevinylene) (MEH-PPV) / TiO2 nanorods hybrid materials are investigated. It is found that efficient charge separation occurs at the interfaces of MEH-PPV/ TiO2 nanorods, accompanying with a significant quench in the photoluminescence (PL) intensity and a decrease of PL lifetime with increasing TiO2 nanorod concentrations. The device based on the MEHPPV/ TiO2 nanorod hybrid material shows power efficiency about 2.2% at the incident light with a wavelength of 565 nm. The transport properties of the solar cells are further investigated and discussed.

Paper Details

Date Published: 3 November 2006
PDF: 6 pages
Proc. SPIE 6334, Organic Photovoltaics VII, 63340R (3 November 2006); doi: 10.1117/12.678783
Show Author Affiliations
Tsung-Wei Zeng, National Taiwan Univ. (Taiwan)
Yu-Ting Lin, National Taiwan Univ. (Taiwan)
Chun-Wei Chen, National Taiwan Univ. (Taiwan)
Wei-Fang Su, National Taiwan Univ. (Taiwan)

Published in SPIE Proceedings Vol. 6334:
Organic Photovoltaics VII
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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