Figure 6. Relative concentration vs. time plots of MB decomposition in the presence of various photocatalysts under (a) uv-visible (b) visible light irradiation. Figure 6 (c) shows relative concentration changes of 4-NA under uv-visible irradiation

From

Solution-phase Synthesis of Zn-doped GaN Photocatalysts: Morphology, Composition, and Catalytic Activity towards Methylene Blue Degradation and 4-nitroaniline Conversion

Keerthi Senevirathne, Sanuja Pitigala, Shyamalee Ramaraj, Abdou Lachgar, Richard T. Williams

American Journal of Nanomaterials. 2017, 5(2), 43-50 doi:10.12691/ajn-5-2-1