From: Bob Higgins
Most catalysts are not fully oxidized metal oxides - they are partially reduced metal oxides. The best catalysts have nano-scale features and partial oxidation. Which is approaching the definition of a perovskite… …and this version of NiO looks interesting as a UV source : http://journals.cambridge.org/action/displayAbstract?fromPage=online <http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=8800604> &aid=8800604

