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Tetranuclear Copper(I) Iodide Complexes: A New Class of X-ray Phosphors

Tetranuclear Copper(I) Iodide Complexes: A New Class of X-ray Phosphors

Kaplan Kirakci, Karla Fejfarová, Jiří Martinčík, Martin Nikl, Kamil Lang

Inorg Chem. 2017 Apr 17;56(8):4610-4615.

PMID: 28375624

Abstract:

We report intensive visible light radioluminescence upon X-ray irradiation of archetypal tetranuclear copper(I) iodide complexes containing triphenylphosphine or pyridine ligands in the solid state. These properties, attractive for the design of X-ray responsive materials, can be attributed to the heavy {Cu4I4} cubane-like core, the absence of oxygen quenching of the emissive triplet states, and the high photoluminescence quantum yields. Radioluminescence originates from the same emissive triplet states as those produced by ultraviolet excitation as confirmed by the observed radioluminescence thermochromism. The radioluminescence properties are also preserved after incorporation of these complexes into polystyrene films, making them appealing for the development of plastic scintillators.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP7681654	Copper(I) iodide		7681-65-4	Price

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