Skip to content Skip to navigation
University of Warwick
  • Study
  • |
  • Research
  • |
  • Business
  • |
  • Alumni
  • |
  • News
  • |
  • About

University of Warwick
Publications service & WRAP

Highlight your research

  • WRAP
    • Home
    • Search WRAP
    • Browse by Warwick Author
    • Browse WRAP by Year
    • Browse WRAP by Subject
    • Browse WRAP by Department
    • Browse WRAP by Funder
    • Browse Theses by Department
  • Publications Service
    • Home
    • Search Publications Service
    • Browse by Warwick Author
    • Browse Publications service by Year
    • Browse Publications service by Subject
    • Browse Publications service by Department
    • Browse Publications service by Funder
  • Help & Advice
University of Warwick

The Library

  • Login
  • Admin

Broadband ultrafast photoprotection by oxybenzone across the UVB and UVC spectral regions

Tools
- Tools
+ Tools

Baker, Lewis A., Horbury, Michael D., Greenough, Simon E., Ashfold, Michael N. R. and Stavros, Vasilios G. (2015) Broadband ultrafast photoprotection by oxybenzone across the UVB and UVC spectral regions. Photochemical & Photobiological Sciences, 14 (10). pp. 1814-1820. doi:10.1039/C5PP00217F

[img] PDF
WRAP_c5pp00217f.pdf - Published Version - Requires a PDF viewer.
Available under License Creative Commons Attribution.

Download (2233Kb)
[img]
Preview
PDF
3.oxybenzone_uvb_si.pdf - Supplemental Material - Requires a PDF viewer.

Download (2843Kb) | Preview
Official URL: http://dx.doi.org/10.1039/C5PP00217F

Request Changes to record.

Abstract

Recent studies have shed light on the energy dissipation mechanism of oxybenzone, a common ingredient in commercial sunscreens. After UVA photoexcitation, the dissipation mechanism may be understood in terms of an initial ultrafast excited state enol -> keto tautomerisation, followed by nonadiabatic transfer to the ground electronic state and subsequent collisional relaxation to the starting enol tautomer. We expand on these studies using femtosecond transient electronic absorption spectroscopy to understand the non-radiative relaxation pathways of oxybenzone in cyclohexane and in methanol after UVB and UVC excitation. We find that the relaxation pathway may be understood in the same way as when exciting in the UVA region, concluding that oxybenzone displays proficient broadband non-radiative photoprotection, and thus photophysically justifying its inclusion in sunscreen mixtures.

Item Type: Journal Article
Subjects: Q Science > QD Chemistry
R Medicine > RS Pharmacy and materia medica
Divisions: Faculty of Science, Engineering and Medicine > Science > Chemistry
Faculty of Science, Engineering and Medicine > Research Centres > Molecular Organisation and Assembly in Cells (MOAC)
Library of Congress Subject Headings (LCSH): Sunscreens (Cosmetics), Photochemistry
Journal or Publication Title: Photochemical & Photobiological Sciences
Publisher: Royal Society of Chemistry
ISSN: 1814-1820
Official Date: 11 August 2015
Dates:
DateEvent
11 August 2015Available
6 August 2015Accepted
27 May 2015Submitted
Volume: 14
Number: 10
Page Range: pp. 1814-1820
DOI: 10.1039/C5PP00217F
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
Copyright Holders: Royal Society of Chemistry
Funder: Engineering and Physical Sciences Research Council (EPSRC), University of Warwick. Institute of Advanced Study (IAS)
Grant number: EP/F500378/1, EP/L005913, EP/J007153 (EPSRC)

Request changes or add full text files to a record

Repository staff actions (login required)

View Item View Item

Downloads

Downloads per month over past year

View more statistics

twitter

Email us: wrap@warwick.ac.uk
Contact Details
About Us