Metal Nitrides

Jae Sung Lee

Jae Sung Lee

Pohang University of Science and Technology, Pohang, South Korea

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Dong Jin Ham

Dong Jin Ham

Pohang University of Science and Technology, Pohang, South Korea

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First published: 15 September 2010
Citations: 3

Abstract

Transition metal nitrides are characterized by high melting points, hardness, and resistance to corrosion. These physical properties are desired for catalytic materials that require resistance against attrition and sintering under reaction conditions. Since high specific area materials became available with clean surfaces, they have attracted considerable attention as catalysts or electrocatalysts for many reactions including hydrotreating (hydrodesulfurization, hydrodenitrogenation, and hydrodeoxygenation) hydrogenation, dehydrogenation, ammonia synthesis, and fuel cell reactions. Metal nitrides demonstrate catalytic advantages over their parent metals in activity, selectivity, and resistance to poisoning. They have been found to be good catalysts for a number of reactions typically catalyzed by noble metals of high cost and limited supply. Structure, bonding, synthesis, surface reactivity, and catalysis of transition metal nitrides are discussed.

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