摘要 |
An ammonium thio-transition metal complex is used as an adhesion promoter for immobilising temperature-stable transition metal oxide layers on an inert metal surface The ammonium thio-transition metal complex comprises a transition metal selected from molybdenum, tungsten and vanadium, and is preferably ammonium tetrathiomolybdate. A precursor of the transition metal oxide is deposited on the inert metal surface by a solution-based process. The precursor is a dispersion or a dissolution of the transition metal oxide, transition metal oxide hydrate, ammonium salt of an acidic transition metal oxide hydrate or phosphoric acid-transition metal oxide complex in water or a phosphoric acid-transition metal oxide complex dissolved in a polar organic solvent. |