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Ferromagnetic Compounds for High Efficiency Photovoltaic Conversion: The Case of AlP:Cr
2009 (English)In: Physical Review Letters, ISSN 0031-9007, E-ISSN 1079-7114, Vol. 102, no 22, 227204- p.Article in journal (Refereed) Published
Abstract [en]

The photovoltaic conversion efficiency in usual semiconductors is limited to 30% while thermodynamics sets an upper limit of above 70%. Here we show how efficiencies in the 50% range could be achieved using carefully chosen magnetic doping in wide gap semiconductors. To meet the requirement to obtain useful compounds we propose rules and a selection method based on ab initio calculations coupled with material efficiency predictions. As a result of an investigation over hundreds of compounds, AlP:Cr was found to be the most promising semiconductor.

Place, publisher, year, edition, pages
2009. Vol. 102, no 22, 227204- p.
Keyword [en]
Chromium; Conversion efficiency
National Category
Condensed Matter Physics
Identifiers
URN: urn:nbn:se:kth:diva-62831DOI: 10.1103/PhysRevLett.102.227204ISI: 000266685400056OAI: oai:DiVA.org:kth-62831DiVA: diva2:481239
Note
QC 20120125Available from: 2012-01-20 Created: 2012-01-20 Last updated: 2017-12-08Bibliographically approved

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Olsson, Pär

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