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Fabrication of a light trapping system for organic solar cells
National Laboratory of Advanced Technology & NanoScience.
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics . Linköping University, The Institute of Technology.
Linköping University, Department of Physics, Chemistry and Biology, Biomolecular and Organic Electronics . Linköping University, The Institute of Technology.
National Laboratory of Advanced Technology & NanoScience.
2009 (English)In: MICROELECTRONIC ENGINEERING, ISSN 0167-9317, Vol. 86, no 4-6, 1150-1154 p.Article in journal (Refereed) Published
Abstract [en]

Organic photovoltaic cells (OPV) are among the most promising systems for energy extraction and conversion from renewable energy sources. However, major problem to be solved before industrial production could become economically viable is represented by their still low conversion efficiency. The organic solar cell architectures are presently the result of a compromise between achieving complete light absorption using active layers that are thicker than the optical absorption length and achieving efficient charge collection at the electrodes which is favoured in thinner layers. We present a concept and its experimental demonstration that would solve efficiently the above trade-off problem by making use of a new type of light trapping elements. The simple fabrication scheme, based on a self-aligned UV exposure process, suggests its potential up-scalability to large systems, at low production cost.

Place, publisher, year, edition, pages
2009. Vol. 86, no 4-6, 1150-1154 p.
Keyword [en]
Organic solar cells, Light trapping system, Maskless lithography, Self-aligned exposure
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:liu:diva-19657DOI: 10.1016/j.mee.2009.02.006OAI: oai:DiVA.org:liu-19657DiVA: diva2:227222
Available from: 2009-07-10 Created: 2009-07-10 Last updated: 2009-07-10

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Tvingstedt, KristoferInganäs, Olle

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Biomolecular and Organic Electronics The Institute of Technology
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