Wang, Peng and Abrusci, Agnese and Wong, Henry M. P. and Svensson, Mattias and Andersson, Mats R. and Greenham, Neil C. (2006) Photoinduced charge transfer and efficient solar energy conversion in a blend of a red polyfluorene copolymer with CdSe nanoparticles. NANO LETTERS, 6 (8). pp. 1789-1793.
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Official URL: http://dx.doi.org/10.1021/nl061085q
We present measurements of charge transfer and the photovoltaic effect in a blend of the alternating polyfluorene copolymer poly(2,7-(9,9-dioctyl-fluorene)-alt-5,5-(4',7'-di-2-thienyl-2',1',3'-ben zothiadiazole)) with branched CdSe nanoparticles. Quasi-steady-state photoinduced absorption measurements identified a long-lived charged species that formed after photoexcitation at room temperature. Photovoltaic devices based on this blend system showed a spectral response extending to 650 nm and gave a solar power conversion efficiency of 2.4% under Air Mass 1.5 Global (AM1.5G) conditions.
|Subjects:||Material Science > Functional and hybrid materials|
Technology > Nanotechnology and energy applications
|Deposited On:||22 Jan 2009 10:17|
|Last Modified:||22 Jan 2009 10:17|
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