Cyclometalated iridium-coumarin ratiometric oxygen sensors: improved signal resolution and tunable dynamic ranges

Cyclometalated iridium( iii ) coumarin complexes with improved signal resolution for ratiometric oxygen sensing are described. Dynamic ranges are tunable over >2 orders of magnitude.

Cyclometalated iridium-coumarin ratiometric oxygen sensors: improved signal resolution and tunable dynamic ranges | Litlas