Phosphorescence of a ruthenium(II) hydride-carbonyl complex with 3-HYDROXY-2-QUINOXALINECARBOXYLIC ACID (cas 1204-75-7) as a co-ligand

Add time:07/21/2019    Source:sciencedirect.com

The [RuH(CO)(hqxc)(PPh3)2] complex, where hqxc is 3-hydroxy-2-quinoxalinecarboxylate, exhibits strong phosphorescence (quantum yield F = 0.0078) in the solid state giving rise to a significantly Stokes-shifted spectrum (excitation at 484 nm and emission at 687 nm); the lifetime of 6.5 μs is very long compared with 0.68 ns measured for the free hqxc ligand.

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