The Potential of Overlayers on Tin-based Perovskites for Water Splitting

Ned Taylor, Conor Price, Alex Petkov, Marcus Carr, Jason Hale, and Steve Hepplestone have just published an article. The initial work was performed by Conor Price, Alex Petkov, Marcus Carr and Jason Hale during their Masters Physics course at the University of Exeter, with it then being expanded upon by Conor, Steve and Ned.

In this article, the authors explore the capabilities of tin-based oxide perovskites as photocatalysis. An investigation of their electron properties, as well as the reaction pathways associated with their surfaces, is presented. It is determined that SrSnO3 offers some potential as a photocatalyst.

The addition of an overlayer to the surface of the oxide perovskite SrSnO3 is then considered. It is determined that the inclusion of this thin surface coating leads to a drastic improvement of both the oxygen and the hydrogen evolution reactions. SrSnO3 with a ZrO2 overlayer is found to be capable of sustaining bifunctional water splitting at its surface (simultaneous hydrogen and oxygen gas production from water).

To find out more, here is a link to the article: https://doi.org/10.1021/acs.jpclett.0c00964

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