Properties of high-oxidation-state copper oxides

• Published in: Materials chemistry and physics Vol. 13; no. 2; pp. 197 - 200
• Main Authors: CHAUVIN, C, MICHEL, C, WILLIAMS, D. E, TOFIELD, B. C
• Format: Journal Article
• Language: English
• Published: Lausanne Elsevier 1985
• Subjects: Catalysis; Catalysts: preparations and properties; Catalytic reactions; Chemistry; Exact sciences and technology; General and physical chemistry; General. Nomenclature, chemical documentation, computer chemistry; Theory of reactions, general kinetics; Theory of reactions, general kinetics. Catalysis. Nomenclature, chemical documentation, computer chemistry; Oxides Mixed; Ion mobility; Perovskite type compound; Oxidation; Carbon monoxide; Copper III Oxides; Mass spectrometry; Catalyst
• ISSN: 0254-0584; 1879-3312
• DOI: 10.1016/0254-0584(85)90092-6

A rapid mass-spectrometric technique is used to monitor oxygen mobility during weight loss under heating, and catalytic efficiency for CO oxidation, for complex-oxides containing Cu super(III). Compounds with the perovskite, K sub(2)NiF sub(4) and Sr sub(3)Ti sub(2)O sub(7) structures were studied. The perovskite La sub(3)Ba sub(3)Cu sub(6)O sub(14+ delta ), with the largest A-site cations, showed a strong catalytic effect, and also contained much more mobile oxygen than the K sub(2)NiF sub(4) and Sr sub(3)Ti sub(2)O sub(7).