LaTaON2–BaTaO2N solid solutions for photocatalytic water oxidation

Solid solutions of LaTaON₂and BaTaO₂N,i.e.La_1−xBa_xTaO_1+yN_2−y(0 ≤x,y≤ 1), have been investigated which show promising photocatalytic activity for water oxidation to oxygen under visible light illumination (λ≥ 420 nm).