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Proceedings Paper

State-of-the-art MDMO-PPV:PCBM bulk heterojunction organic solar cells: materials, nanomorphology, and electro-optical properties
Author(s): Jean V. Manca; Tom Munters; Tom Martens; Zjef Beelen; Ludwig Goris; Jan D'Haen; Marc D'Olieslaeger; Laurence Lutsen; Dirk Vanderzande; Luc De Schepper; Ken Haenen; Milos Nesladek; Wim Geens; Jef Poortmans; Ronn Andriessen
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Paper Abstract

Current state-of-the-art bulk hetero-junction organic photovoltaic devices will be discussed based on poly(2-methoxy-5-(3',7'-dimethyl-octyloxy))-p-phenylene vinylene, (MDMO-PPV), as an electron donor and (6,6)-phenyl-C61-butric-acid (PCBM)(a soluble C60 derivative) as electron acceptor. A brief review will be provided summarizing recent results on efficiency enhancement on morphological investigations. A significant increase in power conversion efficiency has been demonstrated for devices based on so-called 'sulphinyl' synthesized MDMO-PPV (ηAM1.5 = 2.9%) in comparison with devices based on 'Gilch' synthesized MDMO-PPV (ηAM1.5 = 2.5%). In order to understand the higher efficiency values obtained using a different solvent or a different MDMO-PPV-material, electrical and morphological investigations are being performed. Concerning the latter, it has been shown with various analytical techniques that the morphology of the blended photoactive films and also the power conversion efficiency of the corresponding photovoltaic devices are both simultaneously influenced by preparation conditions such as choice of the solvent and drying conditions.

Paper Details

Date Published: 26 February 2003
PDF: 7 pages
Proc. SPIE 4801, Organic Photovoltaics III, (26 February 2003); doi: 10.1117/12.456322
Show Author Affiliations
Jean V. Manca, Limburgs Univ. Ctr. (Belgium)
IMEC (Belgium)
Tom Munters, Limburgs Univ. Ctr. (Belgium)
Tom Martens, Limburgs Univ. Ctr. (Belgium)
Zjef Beelen, Limburgs Univ. Ctr. (Belgium)
Ludwig Goris, IMEC (Belgium)
Jan D'Haen, IMEC (Belgium)
Marc D'Olieslaeger, Limburgs Univ. Ctr. (Belgium)
IMEC (Belgium)
Laurence Lutsen, IMEC (Belgium)
Dirk Vanderzande, Limburgs Univ. Ctr. (Belgium)
IMEC (Belgium)
Luc De Schepper, Limburgs Univ. Ctr. (Belgium)
IMEC (Belgium)
Ken Haenen, Limburgs Univ. Ctr. (Belgium)
Milos Nesladek, Limburgs Univ. Ctr. (Belgium)
Wim Geens, IMEC (Belgium)
Jef Poortmans, IMEC (Belgium)
Ronn Andriessen, Agfa-Gevaert NV (Belgium)

Published in SPIE Proceedings Vol. 4801:
Organic Photovoltaics III
Zakya H. Kafafi, Editor(s)

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