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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 A. P., 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, 21 (26). pp. 14350-14356. doi:10.1039/C8CP06536E ISSN 1463-9076. [ 🗎 Public]. [ (🔓): Yes ].

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Official URL: https://doi.org/10.1039/C8CP06536E

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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
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science, Engineering and Medicine > Science > Chemistry
Faculty of Science, Engineering and Medicine > Science > Physics
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: 14 July 2019
Dates:
DateEvent
14 July 2019Published
31 January 2019Available
17 December 2018Accepted
Volume: 21
Number: 26
Page Range: pp. 14350-14356
DOI: 10.1039/C8CP06536E
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access (Creative Commons)
Date of first compliant deposit: 18 December 2018
Date of first compliant Open Access: 10 April 2019
Funder:
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
EP/L015307/1[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
EP/N010825[EPSRC] Engineering and Physical Sciences Research Councilhttp://dx.doi.org/10.13039/501100000266
UNSPECIFIED[RS] Royal Societyhttp://dx.doi.org/10.13039/501100000288
UNSPECIFIEDLeverhulme Trusthttp://dx.doi.org/10.13039/501100000275
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