Bi2O2(OH)(NO3) as a desirable [Bi2O2]2+layered photocatalyst: strong intrinsic polarity, rational band structure and {001} active facets co-beneficial for robust photooxidation capability

Non-centrosymmetric polar Bi2O2(OH)(NO3) with a rational band structure and {001} active exposing facets is developed as a robust layered photocatalyst for photooxidative diverse industrial contaminants and pharmaceuticals.