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Free, publicly-accessible full text available January 1, 2023
Efficient near-infrared luminescence from bis-cyclometalated iridium(
iii) complexes with rigid quinoline-derived ancillary ligandsFive new near-infrared (NIR) phosphorescent bis-cyclometalated iridium( iii ) complexes, partnering highly conjugated cyclometalating ligands with quinoline-derived ancillary ligands, have been developed. These complexes have peak NIR luminescence wavelengths from 711 to 729 nm, with photoluminescence quantum yields ranging from 0.042 to 0.36.
Modifying the luminescent properties of a Cu(
i) diphosphine complex using ligand-centered reactions in single crystalsHere we report how reactions at a chemically reactive diphosphine shift the long-lived luminescent colour of a crystalline three-coordinate Cu( i ) complex from green to blue. The results demonstrate how vapochromism and single-crystal-to-single-crystal transformations can be achieved using ligand-centered reactions.