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Light harvester band gap engineering in excitonic solar cells: A case study on semiconducting quantum dots sensitized rainbow solar cells
Department of Information Engineering, University of Brescia and SENSOR Laboratory, CNR-INO.ORCID iD: 0000-0003-1785-7177
Department of Information Engineering, University of Brescia and SENSOR Laboratory, CNR-INO.
Department of Information Engineering, University of Brescia and SENSOR Laboratory, CNR-INO.
Department of Information Engineering, University of Brescia and SENSOR Laboratory, CNR-INO.
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2014 (English)In: Pure and Applied Chemistry, ISSN 0033-4545, E-ISSN 1365-3075, Vol. 86, no 5, p. 575-584Article in journal (Refereed) Published
Abstract [en]

A systematic study on the fabrication of quantum dots sensitized solar cells (QDSSCs) exploiting hybrid networks of semiconducting light harvesters is presented, which shows how the engineering of band gaps of the device components by a very simple technique allows improving the solar energy conversion performances. Panchromatic devices are fabricated and tested, and correspondent functional parameters analyzed in order to highlight both advantages and drawbacks of the most common (CdS, CdSe, PbS) quantum dots applied for light collection in QDSSCs. Judicious engineering of the light harvester layer is demonstrated as a simple and powerful strategy for boosting device performances, through the management of light collection in a rather broad range of solar spectrum and photogenerated charges injection and collection. © 2014 IUPAC & De Gruyter.

Place, publisher, year, edition, pages
2014. Vol. 86, no 5, p. 575-584
Keywords [en]
Electrodes, Energy conversion, NMS-IX, Semiconductors
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Other Physics Topics
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Experimental physics
Identifiers
URN: urn:nbn:se:ltu:diva-4574DOI: 10.1515/pac-2013-1203Scopus ID: 84900867240Local ID: 28a6b480-c3b7-4e4b-891e-3bcf2b80fdd1OAI: oai:DiVA.org:ltu-4574DiVA, id: diva2:977448
Note
Upprättat; 2014; 20141115 (albvom)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2017-11-24Bibliographically approved

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Concina, IsabellaVomiero, Alberto

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