Fig. 4From: Microwave-Assisted Synthesis of Carbon-Based (N, Fe)-Codoped TiO2 for the Photocatalytic Degradation of FormaldehydeXRD patterns of undoped, 0.01 Fe-doped, 0.4 N-doped, and 0.01 Fe–0.4 N-codoped AC/TiO2 powdersBack to article page