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ZnO/ TiO2 nanonetwork as efficient photoanode in excitonic solar cells
INFM-CNR Sensor Lab and Department of Chemistry and Physics for Engineering and Materials, University of Brescia.ORCID iD: 0000-0003-2935-1165
Department of Physics and Chemistry, INFM — University of Brescia.ORCID iD: 0000-0003-1785-7177
Department of Chemical Sciences and INSTM Padova, Padova University.
Department of Physics and Chemistry, INFM — University of Brescia.
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2009 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 95, no 19, article id 193104Article in journal (Refereed) Published
Abstract [en]

An innovative nanonetwork composed of TiO2 nanoparticles and single-crystalline ZnO nanowires is demonstrated as efficient photoanode in excitonic solar cells. Such architecture benefits of the capability of high sensitizer loading offered by the nanoparticles and of the direct conduction path for electrons guaranteed by the nanowires. The combination of these features leads to improved light absorption, electron photogeneration, and charge collection. The nanonetwork was implemented in a dye-sensitized solar-cell architecture demonstrating threefold enhancement of the efficiency with respect to a nanowire photoanode of the same thickness. Cell efficiency of 1.6% was obtained in 1.5 μm thick nanonetwork. © 2009 American Institute of Physics.

Place, publisher, year, edition, pages
2009. Vol. 95, no 19, article id 193104
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Experimental Physics
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URN: urn:nbn:se:ltu:diva-8268DOI: 10.1063/1.3257370Scopus ID: 2-s2.0-70449720954Local ID: 6bf9945c-d27f-4108-ad49-c00a36f66902OAI: oai:DiVA.org:ltu-8268DiVA, id: diva2:981159
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Upprättat; 2009; 20141211 (albvom)

Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2019-08-20Bibliographically approved

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Vomiero, AlbertoConcina, Isabella

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