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Issue 12, 2010
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Singlet oxygen: there is still something new under the sun, and it is better than ever

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Abstract

Singlet oxygen, O2(a1Δg), the lowest excited electronic state of molecular oxygen, has a characteristic chemistry that sets it apart from the triplet ground state of oxygen, O2(X3Σg). Although singlet oxygen can be produced in a variety of ways, it is arguably best known as a product of the interaction between a light absorbing chromophore (i.e., a photosensitizer) and O2(X3Σg). In this way, it plays a key role in the many disciplines that comprise the “photosciences”. As outlined in this Perspective, which is part of the program “Photosciences: a look to the future”, the study of singlet oxygen provides a coalescence point for many topics currently at the cutting edge of modern science ranging from materials science to biology and medicine. As such, although singlet oxygen is a “mature citizen” and has been examined for many years in a variety of contexts, there is still something new under the sun, and the future looks exceedingly bright for this photo-related discipline.

Graphical abstract: Singlet oxygen: there is still something new under the sun, and it is better than ever

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Article information


Submitted
09 Jul 2010
Accepted
06 Sep 2010
First published
21 Oct 2010

Photochem. Photobiol. Sci., 2010,9, 1543-1560
Article type
Perspective

Singlet oxygen: there is still something new under the sun, and it is better than ever

P. R. Ogilby, Photochem. Photobiol. Sci., 2010, 9, 1543
DOI: 10.1039/C0PP00213E

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