abstract |
The present invention relates to a metal complex containing a cation represented by [(M II ) 2 (M I ) 2 (L C ) 2 (L B ) 4 ] 2+ [wherein M II represents Pt II or Pd II ; And M I represents H + , Au I , Ag I , Cu I , Hg I , Tl I or Pb I , and L C and L B represent ligands. The metal complex of this invention is useful as a light emitting material of organic electroluminescent element. |