Mechanochromic and thermochromic luminescence of a copper iodide cluster.
The mechanochromic and thermochromic luminescence properties of a molecular copper(I) iodide cluster formulated [Cu(4)I(4)(PPh(2)(CH(2)CH=CH(2)))(4)] are reported. Upon mechanical grinding in a mortar, its solid-state emission properties are drastically modified as well as its thermochromic behavior. This reversible phenomenon has been attributed to distortions in the crystal packing leading to modifications of the intermolecular interactions and thus of the [Cu(4)I(4)] cluster core geometry. Notably, modification of the Cu-Cu interactions seems to be involved in this phenomenon directly affecting the emissive properties of the cluster.
Perruchas
Sandrine
S
Laboratoire de Physique de la Matière Condensée (PMC), CNRS - Ecole Polytechnique, 91128 Palaiseau Cedex, France. sandrine.perruchas@polytechnique.edu
Le Goff
Xavier F
XF
Maron
Sébastien
S
Maurin
Isabelle
I
Guillen
François
F
Garcia
Alain
A
Gacoin
Thierry
T
Boilot
Jean-Pierre
JP
D003300:Copper / Q000737:chemistry*; D007454:Iodides / Q000737:chemistry*; D008163:Luminescent Measurements; D055595:Mechanical Phenomena; D008958:Models, Molecular; D008968:Molecular Conformation; D010720:Phosphines / Q000737:chemistry; D013696:Temperature
D007454:Iodides; D010720:Phosphines; D003300:Copper