Nagasaki University

Sumitomo Chemical Company, Limited

Kazutoyo Kimura

Noboru Kitamura

Keisuke Umakoshi

Shoji Ishizaka

Satoshi Mikami

Masayoshi Onishi

Ami Higashitani

The present invention provides a metal complex containing a cation represented by [(M)(M)(L)(L)][in the aforementioned formula, Mis Ptor Pd, Mis H, Au, Ag, Cu, Hg, Tlor Pb, and Land Lare ligands]. The metal complex of the present invention is useful as a light emitting material of an organic EL device.

Metal complex, light emitting element, and display device

Disclosed is a metal complex containing a composition represented by the following formula (a). [(Pd)(M)(X)(L)(L')] (In the formula (a), Mrepresents Ag, Auor Cu; X represents Cl, Br or I; L represents a group represented by formula (1); L&#x2032; represents a group represented by formula (2); two Ms may be the same as or different from each other; four Ls may be the same as or different from each other; and two L's may be the same as or different from each other.) (In the formulae (1) and (2), R, Rand Rindependently represent a hydrogen atom, a halogen atom, a hydroxy group, an optionally substituted alkyl group, an optionally substituted aryl group or an optionally substituted monovalent heterocyclic group.) 

Palladium metal complex

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Nagasaki, Japan

Kazutoyo Kimura