Although nanostructures contain tens of thousands of atoms, the atoms at the interfaces make most of the impact on the functionality, especially regarding the catalytic activity. It is therefore a vital mission to control the formation of interfaces at the atomic scale, but that is easier said than done. First, it is hard to characterize and understand what was obtained in the synthesis. Then, relating the specific structures to the macroscopic properties requires overcoming issues of adequate sampling and statistics, reproducibility to the atomic scale features and abundance of similar structures within a synthetic batch. Tying the structure and activity relationship allows designing of tailor-made catalysts with desired properties towards the hydrogen evolution reaction, the oxygen evolution reaction, and the oxidation of alcohol to value-added chemicals.

Where everyone matters: Interfaces in 2D functional catalytic nanostructures

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