3 October 2005 Solar cells based on a polymer blend with a maximum external quantum efficiency of 52% and a power conversion efficiency of 1.5%
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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.
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Sjoerd C. Veenstra, Sjoerd C. Veenstra, Wiljan Smaal, Wiljan Smaal, Lenneke Slooff, Lenneke Slooff, Jan M. Kroon, Jan M. Kroon, Marc M. Koetse, Marc M. Koetse, Jörgen Sweelssen, Jörgen Sweelssen, Kornel Hoekerd, Kornel Hoekerd, Herman F. M. Schoo, Herman F. M. Schoo, } "Solar cells based on a polymer blend with a maximum external quantum efficiency of 52% and a power conversion efficiency of 1.5%", Proc. SPIE 5938, Organic Photovoltaics VI, 593815 (3 October 2005); doi: 10.1117/12.616308; https://doi.org/10.1117/12.616308
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