Luminescent gold(iii) compounds with thermally stimulated delayed phosphorescence (tsdp) property for organic light-emitting devices and their preparation

A luminescent gold(III) compound having a chemical structure shown in formula (I),

• wherein:
• (a) X, Y, Z1 and Z2 are each nitrogen or carbon;
• (b) A and B are cyclic structure derivatives of unsubstituted or substituted phenyl groups or heterocyclic groups;
• (c) R1 is any carbon or heteroatom donor ligand, halide or pseudohalide, which could be either monoanionic or neutral, wherein R1 is selected from, but not limited to, alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocyclic, substituted heterocyclic, alkynyl, substituted alkynyl, alkoxy, amide, thiolate, phosphide, chloride, bromide, iodide, cyanate, thiocyanate or cyanide;
• (d) R2 is any carbon or heteroatom ligand, halide or pseudohalide, which could be either monoanionic or neutral, wherein R2 is selected from, but not limited to, alkyl, substituted alkyl, aryl, substituted aryl, heteroaryl, substituted heteroaryl, heterocyclic, substituted heterocyclic, alkynyl, substituted alkynyl, alkoxy, amide, thiolate, phosphide, chloride, bromide, iodide, cyanate, thiocyanate or cyanide;
• and
• (e) n is zero, a positive integer or a negative integer.