摘要:
The present invention relates to metal complexes which contain elements of group IB and IVA mixed and electronic devices, in particular organic electroluminescent devices, which comprise metal complexes of this type. The compounds claimed are described by formula (1), formula (2) or formula (3), where the following applies to the symbols and indices used: M is on each occurrence, identically or differently, Cu, Ag or Au; E is on each occurrence, identically or differently, Si, Ge or Sn; the other variables are as defined in the claims.