Ultrafast dynamics of polybutadiene probed by optically heterodyne-detected optical-Kerr-effect spectroscopy

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Hunt, N T and Meech, S R (2004) Ultrafast dynamics of polybutadiene probed by optically heterodyne-detected optical-Kerr-effect spectroscopy. Chemical Physics Letters, 400 (4-6). pp. 368-373. ISSN 0009-2614 (https://doi.org/10.1016/j.cplett.2004.10.131)

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Abstract

The ultrafast dynamics of polybutadiene have been studied using ultrafast optical-Kerr-effect spectroscopy. The data are compared with measurements on 1,3- and 1,4-pentadiene. The two diene derivatives have quite distinct subpicosecond dynamics, with an important contribution from an intramolecular torsional mode in the 1,4-derivative. The main part of the polymer spectral density can be assigned, by analogy with the data for 1,4-pentadiene, to intramolecular torsional motion about carbon-carbon single bonds. The picosecond diffusive orientational relaxation times of the dienes are not well described by simple hydrodynamics.

ORCID iDs

Hunt, N T ORCID logoORCID: https://orcid.org/0000-0001-7400-5152 and Meech, S R;
  • Item type:Article
    ID code:30946
    Dates:
    Date
    Event
    21 December 2004
    Published
    Subjects:Science > Physics
    Science > Chemistry
    Department:Faculty of Science > Physics
    Depositing user: Pure Administrator
    Date deposited:18 May 2011 15:40
    Last modified:11 Nov 2024 09:44
    URI:https://strathprints.strath.ac.uk/id/eprint/30946
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