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Proceedings Paper

Solar cells based on a polymer blend with a maximum external quantum efficiency of 52% and a power conversion efficiency of 1.5%
Author(s): Sjoerd C. Veenstra; Wiljan Smaal; Lenneke Slooff; Jan M. Kroon; Marc M. Koetse; Jörgen Sweelssen; Kornel Hoekerd; Herman F. M. Schoo
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Paper Abstract

We present a highly fluorescent polymer poly[2,7-(9,9'-dioctylfluorene)-alt-1,4-bis(1-cyanovinyl-2-thienyl)-2-methoxy-5-(3,7-dimethyloctyloxy)phenylene] (PF1CVTP), that was found to perform exceptionally well as electron acceptor in polymer photovoltaic devices when mixed with poly(2-methoxy-5-(3,7-dimethyloctyloxy)-1,4-phenylenevinylene) (MDMO-PPV) as electron donor. The optical and electrochemical properties of the blend were investigated. Both the quenching and the position of the oxidation and reduction waves indicate that charge transfer could take place if the blend is illuminated. Solar cell devices were made of blends containing different ratios of donor and acceptor. Maximum external quantum efficiency of more than 50 % was obtained and a power conversion efficiency of up to 1.5 % was measured under AM1.5 G (100 mW/cm2) conditions.

Paper Details

Date Published: 3 October 2005
PDF: 7 pages
Proc. SPIE 5938, Organic Photovoltaics VI, 593815 (3 October 2005); doi: 10.1117/12.616308
Show Author Affiliations
Sjoerd C. Veenstra, ECN, Solar Energy (Netherlands)
Dutch Polymer Institute (Netherlands)
Wiljan Smaal, ECN, Solar Energy (Netherlands)
Dutch Polymer Institute (Netherlands)
Lenneke Slooff, ECN, Solar Energy (Netherlands)
Dutch Polymer Institute (Netherlands)
Jan M. Kroon, ECN, Solar Energy (Netherlands)
Dutch Polymer Institute (Netherlands)
Marc M. Koetse, TNO, Science and Industry (Netherlands)
Dutch Polymer Institute (Netherlands)
Jörgen Sweelssen, TNO, Science and Industry (Netherlands)
Dutch Polymer Institute (Netherlands)
Kornel Hoekerd, TNO, Science and Industry (Netherlands)
Dutch Polymer Institute (Netherlands)
Herman F. M. Schoo, TNO, Science and Industry (Netherlands)
Dutch Polymer Institute (Netherlands)


Published in SPIE Proceedings Vol. 5938:
Organic Photovoltaics VI
Zakya H. Kafafi; Paul A. Lane, Editor(s)

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