metal / subsequent energy transfer / triplet energy level schemes / chemical and photochemical stability / reorganization energy / chemical reactions / efficient devices / organo-transition metal compounds / inkjet printing / organo-transition metal complexes / light-emitting systems / energy level / organo-transition metal / vibrational satellite structure / tandem device / energy barriers / excitation energy / thermal energy kBT / energy sinks / modified devices / charge carrier trapping / energy states / energy level scheme / organo-transition metal triplet emitters / energy splitting / metal-to-ligand charge transfer / electro-luminescent devices / energy level diagram / triplet state energy / energy transfer / metal compounds / chemical structures / light-emitting devices / thermal activation energy / energy / high-energy blue emitters / /
1 1 Triplet Emitters for Organic Light-Emitting Diodes: Basic Properties Hartmut Yersin* and Walter J. Finkenzeller