Fig. 4
From: Rational design of photocatalysts for ammonia production from water and nitrogen gas
a The N2 adsorption isotherms, b The Tauc plot (ahv)2 versus (hv) and c The schematic illustration of pohtocatalytic NH3 synthesis process on Vo-BiOBr nanosheets and BiOBr nanoplates, respectively. Reproduced with permission [49]. Copyright 2018, American Chemical Society