Figure 13.
a) The performance of the direct oxidation of benzene to phenol by FeN4/GN samples; b) Free energy diagram of the oxidation of benzene to phenol on FeN4/NG. Reproduced with permission.13 Copyright 2015, AAAS. c,d) Catalytic performance of benzene oxidation over different Fe catalysts and the reaction mechanisms. Reproduced with permission.48 Copyright 2017, American Chemical Society.