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Ultrafast dynamics in QD based photoelectrochemical cells
Lund Univ, Dept Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden.
Lund Univ, Dept Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden.
Uppsala University, Disciplinary Domain of Science and Technology, Chemistry, Department of Chemistry - Ångström. Lund Univ, Dept Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden.
Lund Univ, Dept Chem Phys & NanoLund, Box 124, S-22100 Lund, Sweden.ORCID iD: 0000-0002-0531-5138
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2019 (English)In: PHYSICAL CHEMISTRY OF SEMICONDUCTOR MATERIALS AND INTERFACES XVIII / [ed] Nielsen, C Congreve, D Bronstein, HA Deschler, F, SPIE-INT SOC OPTICAL ENGINEERING , 2019, article id UNSP 110840LConference paper, Published paper (Refereed)
Abstract [en]

We have prepared electrodes for photo-electro-chemical cells which have enabled to pre-charge colloidal quantum dots in well-controlled fashion. Femtosecond transient absorption measurements were carried out revealing clear speed-up of the photo-induced charge carrier dynamics, particularly the recombination. Such studies allow to understand the behavior of light harvesting materials in operational conditions of optoelectronic devices giving new recipes for improvements.

Place, publisher, year, edition, pages
SPIE-INT SOC OPTICAL ENGINEERING , 2019. article id UNSP 110840L
Series
Proceedings of SPIE, ISSN 0277-786X, E-ISSN 1996-756X ; 11084
Keywords [en]
Femtosecond spectro-electrochemistry, quantum dots, CdSe, trion, exciton
National Category
Physical Chemistry Atom and Molecular Physics and Optics
Identifiers
URN: urn:nbn:se:uu:diva-401993DOI: 10.1117/12.2529771ISI: 000502158300007ISBN: 978-1-5106-2862-5 (print)OAI: oai:DiVA.org:uu-401993DiVA, id: diva2:1384716
Conference
Conference on Physical Chemistry of Semiconductor Materials and Interfaces XVIII, AUG 11-13, 2019, San Diego, CA
Available from: 2020-01-10 Created: 2020-01-10 Last updated: 2020-01-10Bibliographically approved

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