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Proceedings Paper

Low-bandgap poly(thienylene vinylene) for organic solar cells: photophysics and photovoltaic performance
Author(s): Le Huong Nguyen; Serap Günes; Helmut Neugebauer; Niyazi Serdar Sariciftci; Fateme Banishoeib; Anja Henckens; Thomas Cleij; Laurence Lutsen; Dirk Vanderzande
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Paper Abstract

Photophysical studies and photovoltaic devices on a low bandgap, high charge-carrier-mobility Poly(Thienylene Vinylene) (PTV), prepared from a soluble precursor polymer synthesised via the 'dithiocarbamate route', are reported. In composites with an electron acceptor ([6,6]-phenyl C61- butyric acid methyl ester (PCBM), a soluble fullerene derivative) photoinduced absorption (PIA) characteristic for charged excitations together with photoluminescence (PL) quenching are observed indicating photoinduced electron transfer. The "bulk heterojunction" photovoltaic devices using PTV and PCBM composites show short circuit currents up to 4 mA/cm2 under AM 1.5 white-light illumination. The photocurrent spectrum of the photovoltaic device shows an onset at about 1.65 eV (750 nm) which corresponds to the absorption spectrum of the polymer.

Paper Details

Date Published: 20 April 2006
PDF: 7 pages
Proc. SPIE 6192, Organic Optoelectronics and Photonics II, 61921T (20 April 2006); doi: 10.1117/12.662581
Show Author Affiliations
Le Huong Nguyen, Johannes Kepler Univ. (Austria)
Serap Günes, Johannes Kepler Univ. (Austria)
Helmut Neugebauer, Johannes Kepler Univ. (Austria)
Niyazi Serdar Sariciftci, Johannes Kepler Univ. (Austria)
Fateme Banishoeib, Hasselt Univ. (Belgium)
Anja Henckens, IMEC-IMOMEC (Belgium)
Thomas Cleij, Hasselt Univ. (Belgium)
Laurence Lutsen, IMEC-IMOMEC (Belgium)
Dirk Vanderzande, Hasselt Univ. (Belgium)
IMEC-IMOMEC (Belgium)


Published in SPIE Proceedings Vol. 6192:
Organic Optoelectronics and Photonics II
Paul L. Heremans; Michele Muccini; Eric A. Meulenkamp, Editor(s)

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