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Surface Chemistry and Catalytic Reactivity of a Nanodiamond in the Steam-Free Dehydrogenation of Ethylbenzene

We have described the application of nanodiamond as a novel catalyst for direct dehydrogenation of ethylbenzene under steam-free conditions. The unique sp2–sp3 hybrid structure results in different behavior to other carbons, with superior activity and stability and freedom from coke formation. We have also demonstrated how applying the “nano” concept to carbon gives a major advance in catalysis with great potential in the chemical industry. The simplicity of the defective graphene makes it a promising model in complicated reaction scenarios, which are impossible to unravel with metal oxide systems due to the inherent chemical complexity, including terminal and bridging lattice oxygen, various forms of polyvalent metals, and side reactions.

nanocrystalline diamond; functionalization; tteam-free dehydrogenation of ethylbenzene; catalytic reactivity

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