Modulation of emission properties of phosphine-sulfonate ligand containing copper complexes: playing with solvato-, thermo-, and mechanochromism†
Antoine
Vacher, 
a
Yann
Molard,
a
Camille
Latouche,
c
Thierry
Roisnel,
a
Vincent
Dorcet,
a
Abdou
Boucekkine,
*a
Huriye
Akdas-Kiliç
*a
and
Mathieu
Achard
*a
a
Yann
Molard,
a
Camille
Latouche,
c
Thierry
Roisnel,
a
Vincent
Dorcet,
a
Abdou
Boucekkine,
*a
Huriye
Akdas-Kiliç
*a
and
Mathieu
Achard
*a
Abstract
Modulations of various neutral phosphine containing copper(I) complexes exhibiting phosphorescence and TADF are easily achieved by solvent modification restricting intramolecular rotation or by modifying the L–X phosphine-sulfonate chelate. This concept is not limited to solvents as the addition of metallic salts also led to the formation of original well-defined photoluminescent K2CuLX3 and KCuL2X2 cuprate complexes.
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