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Indirect consequences of exciplex states on the phosphorescence lifetime of phenazine-based 1,2,3-triazole luminescent probes

Costa, B.B.A.; Jardim, G.A.M.; Santos, P.L.; Calado, H.D.R.; Monkman, A.P.; Dias, F.B.; da Silva Júnior, E.N.; Cury, L.

Indirect consequences of exciplex states on the phosphorescence lifetime of phenazine-based 1,2,3-triazole luminescent probes Thumbnail


Authors

B.B.A. Costa

G.A.M. Jardim

P.L. Santos

H.D.R. Calado

E.N. da Silva Júnior

L. Cury



Contributors

P L dos Santos Dos-santos nqjg26@durham.ac.uk
Other

Abstract

The optical properties of phenazine derivative probe solutions involving intersystem crossing from singlet to triplet states were investigated by time resolved spectroscopy. The room temperature phosphorescence emission presented different time responses when Cd2+ ions were bound to the probe chemical structure. The complex exciplex formation observed to occur in this case was not directly responsible for the change in the phosphorescence lifetime. This was more influenced by the new molecular conformation and modified spin–orbit coupling imposed by the binding of the Cd2+ ions to the phenazine molecules.

Citation

Costa, B., Jardim, G., Santos, P., Calado, H., Monkman, A., Dias, F., …Cury, L. (2017). Indirect consequences of exciplex states on the phosphorescence lifetime of phenazine-based 1,2,3-triazole luminescent probes. Physical Chemistry Chemical Physics, 19(5), 3473-3479. https://doi.org/10.1039/c6cp06134f

Journal Article Type Article
Acceptance Date Oct 20, 2016
Online Publication Date Oct 21, 2016
Publication Date Feb 7, 2017
Deposit Date Nov 30, 2016
Publicly Available Date Oct 20, 2017
Journal Physical Chemistry Chemical Physics
Print ISSN 1463-9076
Electronic ISSN 1463-9084
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 19
Issue 5
Pages 3473-3479
DOI https://doi.org/10.1039/c6cp06134f

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