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Quantum efficiency of exciton-to-charge generation in organic photovoltaic devices
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics .
2001 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 89, no 10, 5564-5569 p.Article in journal (Refereed) Published
Abstract [en]

We present an analysis of the internal monochromatic quantum efficiency of photovoltaic devices based on polymer and polymer/fullerene thin films. A quantum efficiency of exciton-to-charge generation is defined as the external monochromatic quantum efficiency normalized to the absorption in the active materials of the device. An upper limit of the efficiency can be determined, and results show that much of the light is absorbed in photoactive layers of the device, whereas only a fraction of the generated excitons is converted to charge carriers and can be collected as photocurrent. © 2001 American Institute of Physics.

Place, publisher, year, edition, pages
2001. Vol. 89, no 10, 5564-5569 p.
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Engineering and Technology
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URN: urn:nbn:se:liu:diva-47382DOI: 10.1063/1.1359425OAI: oai:DiVA.org:liu-47382DiVA: diva2:268278
Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-13

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Pettersson, LarsInganäs, Olle

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