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The role of symmetric functionalisation on photoisomerisation of a UV commercial chemical
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Woolley, Jack Matthew, Peters, Jack S., Turner, Matthew S. , Clarkson, Guy J., Horbury, Michael D. and Stavros, Vasilios G. (2019) The role of symmetric functionalisation on photoisomerisation of a UV commercial chemical. Physical Chemistry Chemical Physics . doi:10.1039/C8CP06536E (In Press)
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Official URL: https://doi.org/10.1039/C8CP06536E
Abstract
Photoisomerisation has been shown to be an efficient excited-state relaxation mechanism for a variety of nature-based and artificial-based molecular systems. Here we report on the excited-state relaxation dynamics and consequent photostability of a symmetrically functionalised cinnamate by transient electronic absorption spectroscopy, along with complementary computational and steady-state spectroscopy methods. The findings are then discussed in comparison to 2-ethylhexyl-E-4-methoxycinnamate, a structurally related ‘off the shelf’ chemical filter present in commercial sunscreens with a similar absorption profile. The present study allows for a like-for-like comparison beween 2-ethylhexyl-E-4-methoxycinnamate and the functionalised cinnamate, driven by the need to enhance solar protection across both the UVA and UVB regions of the electromagnetic spectrum.
| Item Type: | Journal Article | |||||||||||||||
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| Subjects: | Q Science > QD Chemistry | |||||||||||||||
| Divisions: | Faculty of Science > Chemistry Faculty of Science > Physics |
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| Library of Congress Subject Headings (LCSH): | Photoisomerization, Ultraviolet radiation | |||||||||||||||
| Journal or Publication Title: | Physical Chemistry Chemical Physics | |||||||||||||||
| Publisher: | Royal Society of Chemistry | |||||||||||||||
| ISSN: | 1463-9076 | |||||||||||||||
| Official Date: | 31 January 2019 | |||||||||||||||
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| Date of first compliant deposit: | 18 December 2018 | |||||||||||||||
| DOI: | 10.1039/C8CP06536E | |||||||||||||||
| Status: | Peer Reviewed | |||||||||||||||
| Publication Status: | In Press | |||||||||||||||
| Access rights to Published version: | Open Access | |||||||||||||||
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