Fig. 5
From: Rational design of photocatalysts for ammonia production from water and nitrogen gas

a NH4+ concentrations of Bi2MoO6/Ov-BiOBr heterojunctions, Bi2MoO6 and BiOBr alone, respectively. b The scheme of proposed Bi2MoO6/BiOBr heterojunctions. Reproduced with permission [51]. Copyright 2019, The Royal Society of Chemistry. c The schematic reaction mechanism and d the artistic illustration of Au/TiO2-Ov photocatalyst. Reproduced with permission [52]. Copyright 2018, American Chemical Society