Photocatalytic overall water splitting promoted by an α-β phase junction on Ga2O3

Angew Chem Int Ed Engl. 2012 Dec 21;51(52):13089-92. doi: 10.1002/anie.201207554. Epub 2012 Nov 19.

Abstract

When Alpha met Beta: a tuneable α-β surface phase junction on Ga(2)O(3) can significantly improve photocatalytic overall water splitting into H(2) and O(2) over individual α-Ga(2)O(3) or β-Ga(2)O(3) surface phases. This enhanced photocatalytic performance is mainly attributed to the efficient charge separation and transfer across the α-β phase junction.