Atomically precise gold nanoclusters may be the key to efficient hydrogen production.
, is considered a promising process to produce hydrogen because it can take advantage of the electricity generated from renewable sources.Water splitting, however, requires a reaction called hydrogen evolution reaction , but the nanocatalysts involved in this HER do not have a uniform size, composition, structure, or chemical coordination environment to improve the efficiency and promote the reaction mechanistic understanding.
Finally, gold nanoclusters have other structural merits, such as the size being ultrasmall, which meets the principle of “small is precious” in the catalysis field; the morphology can be tuned and manipulated; robust stability with intact structure preserved in various reactions under mild conditions.
Some of the common challenges associated with gold nanoclusters are finding a solution to the amount of gold that would be required to scale the use of these catalysts, problems with how the nanocatalysts perform in harsh conditions and inaccurate theoretical modelling.
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