Ratiometric O2 sensing based on selective self-sensitized photooxidation of donor–acceptor fluorophores

Jian-Xin Wang; Li-Ya Niu; Peng-Zhong Chen; Yu-Zhe Chen; Qing-Zheng Yang; Roman Boulatov

doi:10.1039/C9CC03232K

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Ratiometric O₂ sensing based on selective self-sensitized photooxidation of donor–acceptor fluorophores†

Jian-Xin Wang,‡^a Li-Ya Niu,

‡^a Peng-Zhong Chen,^a Yu-Zhe Chen,

^b Qing-Zheng Yang

*^a and Roman Boulatov*^c

Author affiliations

* Corresponding authors

^a Key Laboratory of Radiopharmaceuticals Ministry of Education, College of Chemistry, Beijing Normal University, Beijing 100875, P. R. China
E-mail: qzyang@bnu.edu.cn

^b Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100190, P. R. China

^c Department of Chemistry, University of Liverpool, Donnan Lab, G31, Crown St., Liverpool, UK
E-mail: r.boulatov@liverpool.ac.uk

Abstract

We report a series of organic fluorophores that undergo selective self-sensitized photooxidation upon light irradiation in air accompanied by a change of fluorescence from yellow to blue on the seconds timescale. The distinct emission changes allow the ratiometric quantitation of O₂ concentration.

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Article information

DOI: https://doi.org/10.1039/C9CC03232K
Article type: Communication
Submitted: 26 Apr 2019
Accepted: 22 May 2019
First published: 27 May 2019

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Chem. Commun., 2019,55, 7017-7020

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Ratiometric O₂ sensing based on selective self-sensitized photooxidation of donor–acceptor fluorophores

J. Wang, L. Niu, P. Chen, Y. Chen, Q. Yang and R. Boulatov, Chem. Commun., 2019, 55, 7017 DOI: 10.1039/C9CC03232K

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Chemical Communications