Figure 6From: Monodisperse α-Fe2O3 Mesoporous Microspheres: One-Step NaCl-Assisted Microwave-Solvothermal Preparation, Size Control and Photocatalytic Propertya UV–vis absorption spectra of salicylic acid solution in the presence of sample 1 at different UV-irradiation times. b, c The degradation percentage of salicylic acid with different as-prepared photocatalysts: b sample 1; c sample 6.Back to article page