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Simultaneous Hot Electron and Hole Injection upon Excitation of Gold Surface Plasmon
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström, Physical Chemistry. South Valley Univ, Qena Fac Sci, Dept Chem, Qena 83523, Egypt.
Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark.ORCID iD: 0000-0002-3813-5221
Tech Univ Denmark, Dept Chem, DK-2800 Lyngby, Denmark;Lund Univ, Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden.ORCID iD: 0000-0002-7236-1070
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2019 (English)In: Journal of Physical Chemistry Letters, ISSN 1948-7185, E-ISSN 1948-7185, Vol. 10, no 11, p. 3140-3146Article in journal (Refereed) Published
Abstract [en]

We have successfully investigated the simultaneous injection of hot electrons and holes upon excitation of gold localized surface plasmon resonance (LSPR). The studies were performed on all-solid-state plasmonic system composed of titanium dioxide (TiO2)/poly(3,4-ethylenedioxythiophene) :poly(styrenesulfonic acid) (PEDOT:PSS) p-n junctions with gold nanoparticles (Au NPs). The study revealed that both charge carriers are transferred within 200 fs to the respective charge acceptors, exhibiting a free carrier transport behavior. We also confirmed that the transfer of charge carriers are accompanied by change in the initial relaxation dynamics of Au NPs.

Place, publisher, year, edition, pages
2019. Vol. 10, no 11, p. 3140-3146
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Physical Chemistry
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URN: urn:nbn:se:uu:diva-389600DOI: 10.1021/acs.jpclett.9b01085ISI: 000471079400075PubMedID: 31117685OAI: oai:DiVA.org:uu-389600DiVA, id: diva2:1338705
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Swedish Research CouncilAvailable from: 2019-07-24 Created: 2019-07-24 Last updated: 2019-07-24Bibliographically approved

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Hattori, YocefuSá, Jacinto

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