Suppressing photochemical reactions with quantized light fields

Javier Galego, Francisco J. Garcia-Vidal () and Johannes Feist ()
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Javier Galego: Universidad Autónoma de Madrid
Francisco J. Garcia-Vidal: Universidad Autónoma de Madrid
Johannes Feist: Universidad Autónoma de Madrid

Nature Communications, 2016, vol. 7, issue 1, 1-6

Abstract: Abstract Photoisomerization, that is, a photochemical reaction leading to a change of molecular structure after absorption of a photon, can have detrimental effects such as leading to DNA damage under solar irradiation, or as a limiting factor for the efficiency of solar cells. Here, we show that strong coupling of organic molecules to a confined light mode can be used to strongly suppress photoisomerization, as well as other photochemical reactions, and thus convert molecules that normally show fast photodegradation into photostable forms. We find this to be especially efficient in the case of collective strong coupling, where the distribution of a single excitation over many molecules and the light mode leads to a collective protection effect that almost completely suppresses the photochemical reaction.

Date: 2016
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:7:y:2016:i:1:d:10.1038_ncomms13841

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DOI: 10.1038/ncomms13841

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