ArticleChemical science2022
Cyclometalated iridium-coumarin ratiometric oxygen sensors: improved signal resolution and tunable dynamic ranges.
Article in Chemical science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Nontoxic Dual-Function Probe for Ratiometric Oxygen Sensing and Cellular Imaging Based on IrACS omega · 2026Article
- A ratiometric substrate for rapid evaluation of transfer hydrogenation efficiency in solution.Dalton transactions (Cambridge, England : 2003) · 2024Article
- Oxygen-Sensing Chemiluminescent Iridium(III) 1,2-Dioxetanes: Unusual Coordination and Activity.Analysis & sensing · 2023Article
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Authors and funding
6 authors.
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Abstract
In this work we introduce a new series of ratiometric oxygen sensors based on phosphorescent cyclometalated iridium centers partnered with organic coumarin fluorophores. Three different cyclometalating ligands and two different pyridyl-containing coumarin types were used to prepare six target complexes with tunable excited-state energies. Three of the complexes display dual emission, with fluorescence arising from the coumarin ligand, and phosphorescence from either the cyclometalated iridium center or the coumarin. These dual-emitting complexes function as ratiometric oxygen sensors, with the phosphorescence quenched under O
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