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Transient mid-IR study of electron dynamics in TiO2 conduction band.
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2013 (English)In: The Analyst, ISSN 0003-2654, E-ISSN 1364-5528, Vol. 138, no 7, 1966-70 p.Article in journal (Refereed) Published
Abstract [en]

The dynamics of TiO2 conduction band electrons were followed with a novel broadband synchrotron-based transient mid-IR spectroscopy setup. The lifetime of conduction band electrons was found to be dependent on the injection method used. Direct band gap excitation results in a lifetime of 2.5 ns, whereas indirect excitation at 532 nm via Ru-N719 dye followed by injection from the dye into TiO2 results in a lifetime of 5.9 ns.

Place, publisher, year, edition, pages
2013. Vol. 138, no 7, 1966-70 p.
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Physical Chemistry
URN: urn:nbn:se:uu:diva-252497DOI: 10.1039/c3an36595fPubMedID: 23431560OAI: oai:DiVA.org:uu-252497DiVA: diva2:810917
Available from: 2015-05-08 Created: 2015-05-07 Last updated: 2015-05-08

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Sá, Jacinto
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