Polarization-resolved ultrafast polarizability relaxation in polar aromatic liquids

Heisler, Ismael A. and Meech, Stephen ORCID: https://orcid.org/0000-0001-5561-2782 (2008) Polarization-resolved ultrafast polarizability relaxation in polar aromatic liquids. The Journal of Physical Chemistry B, 112 (41). pp. 12976-12984. ISSN 1520-5207

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Abstract

Ultrafast electron dynamics in 5 nm thick gold films have been investigated as a function of film morphology. The transient reflectivity data reveal a sub-100 fs rise time and a complex relaxation profile on the picosecond timescale. These data are discussed in terms of a modified two-temperature model of the electron dynamics accounting for the initial relaxation of the non-thermal population. The electron–phonon coupling may be sensitive to film morphology. The possible origin of this behaviour is discussed and results are placed in the context of enhanced photochemistry on thin metal films.

Item Type:	Article
Faculty \ School:	Faculty of Science > School of Chemistry (former - to 2024)
UEA Research Groups:	Faculty of Science > Research Groups > Chemistry of Light and Energy Faculty of Science > Research Groups > Physical and Analytical Chemistry (former - to 2017) Faculty of Science > Research Groups > Centre for Photonics and Quantum Science
Depositing User:	Rachel Smith
Date Deposited:	23 Mar 2011 13:11
Last Modified:	24 Sep 2024 09:28
URI:	https://ueaeprints.uea.ac.uk/id/eprint/27005
DOI:	10.1021/jp805862z

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