Controlled Chemistry of Metal-Oxide Interfaces

这项资助由化学特别计划和材料研究部联合资助，为教授的研究提供支持。普林斯顿大学的施瓦茨和伯纳塞克。跨学科研究的目标是合成和表征金属氧化物和有机金属配合物衍生的覆盖层之间的受控界面。这种类型的合成界面与催化，电极表面和包装应用密切相关。本研究将创建的界面层在概念上不同于存在于普通界面中的界面层，而不是依赖于物理粘附，这些界面将涉及复合材料中组分之间的共价相互作用。基于有机金属化学的合成方法的可行性已经在正常条件下或使用单晶支撑的超高真空条件下在大块氧化物衬底上进行了。单晶支撑物的使用可以研究支撑物表层和表面之间共价相互作用的性质和程度。块状氧化物的类似方法的发展将使材料的制备能够根据其块状物理和化学性质进行研究。

This grant, funded jointly by Special Projects in Chemistry and the Division of Materials Research provides support for the research of Profs. Schwartz and Bernasek at Princeton University. The objective of the interdisciplinary research is to synthesize and characterize controlled interfaces between metal oxides and organometallic complex-derived overlayers. Synthetic interfaces of this type are germane to catalysis, electrode surfaces and packaging applications. The interfacial layer which this research will create is conceptually different from that which exists in common interfaces in that rather than relying on physical adhesion, these interfaces would involve covalent interactions between components in the composite. The feasibility of the synthetic approach which is based on organometallic chemistry, has already been performed either on bulk oxide substrates under normal conditions or in ultrahigh vacuum using single-crystal supports. The use of single-crystal supports enables an investigation of the nature and extent of covalent interactions between an overlayer and the surface of a support. Development of analogous methodology for bulk oxides will enable the preparation of materials which can be studied with regard to their bulk physical and chemical properties.