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A perspective on femtosecond pump–probe spectroscopy in the development of future sunscreens

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Whittock, Abigail L., Abiola, Temitope T. and Stavros, Vasilios G. (2022) A perspective on femtosecond pump–probe spectroscopy in the development of future sunscreens. The Journal of Physical Chemistry A, 126 (15). pp. 2299-2308. doi:10.1021/acs.jpca.2c01000

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Official URL: https://doi.org/10.1021/acs.jpca.2c01000

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Abstract

Given the negative impacts of overexposure to ultraviolet radiation (UVR) on humans, sunscreens have become a widely used product. Certain ingredients within sunscreens are responsible for photoprotection and these are known, collectively herein, as ultraviolet (UV) filters. Generally speaking, organic UV filters work by absorbing the potentially harmful UVR and dissipating this energy as harmless heat. This process happens on picosecond time scales and so femtosecond pump–probe spectroscopy (FPPS) is an ideal technique for tracking this energy conversion in real time. Coupling FPPS with complementary techniques, including steady-state spectroscopy and computational methods, can provide a detailed mechanistic picture of how UV filters provide photoprotection. As such, FPPS is crucial in aiding the future design of UV filters. This Perspective sheds light on the advancements made over the past two years on both approved and nature-inspired UV filters. Moreover, we suggest where FPPS can be further utilized within sunscreen applications for future considerations.

Item Type: Journal Article
Subjects: Q Science > QC Physics
R Medicine > RS Pharmacy and materia medica
Divisions: Faculty of Science, Engineering and Medicine > Science > Chemistry
SWORD Depositor: Library Publications Router
Library of Congress Subject Headings (LCSH): Spectrum analysis, Femtosecond lasers, Ultraviolet radiation -- Physiological effect, Sunscreens (Cosmetics)
Journal or Publication Title: The Journal of Physical Chemistry A
Publisher: American Chemical Society
ISSN: 1089-5639
Official Date: 21 April 2022
Dates:
DateEvent
21 April 2022Published
8 April 2022Available
8 April 2022Accepted
Volume: 126
Number: 15
Page Range: pp. 2299-2308
DOI: 10.1021/acs.jpca.2c01000
Status: Peer Reviewed
Publication Status: Published
Access rights to Published version: Open Access
RIOXX Funder/Project Grant:
Project/Grant IDRIOXX Funder NameFunder ID
Analytical Science Centre for Doctoral TrainingUniversity of Warwickhttp://dx.doi.org/10.13039/501100000741
Analytical Science Centre for Doctoral TrainingLubrizolhttp://dx.doi.org/10.13039/100007036
Chancellor ScholarshipUniversity of Warwickhttp://dx.doi.org/10.13039/501100000741
Royal Society Industry FellowshipRoyal Societyhttp://dx.doi.org/10.13039/501100000288

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