Volume 95 Issue 2 | p. 7 | News of The Week
Issue Date: January 9, 2017 | Web Date: January 5, 2017

Study confirms “hydrogen spillover” in catalytic hydrogenation

Dissociated hydrogens reduce substrate on two types of surfaces, but with drastically different efficiencies
Department: Science & Technology
News Channels: Materials SCENE
Keywords: catalysis, hydrogenation, reduction, hydrogen spillover

In some industrial processes, flowing hydrogen molecules over solid surfaces containing catalytic metals reduces organic molecules by hydrogenation. On the basis of a mechanism proposed in the 1960s, chemists think such reactions may proceed through the movement of hydrogen atoms in a process called “hydrogen spillover.” But researchers haven’t been able to confirm this mechanism because models of the reaction are difficult to create and analyze.

With a new, realistic model system, researchers have shown . . .

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