Effect of peroxomonosulfate, peroxodisulfate and hydrogen peroxide on graphene oxide photocatalytic performances in methyl orange dye degradation

Unveiling the enhanced photoelectrochemical and photocatalytic properties of reduced graphene oxide for photodegradation of methylene blue dye

“…For example, the photodegradation of resazurin, reactive black 5, congo red, methyl orange, rhodamine B, and methylene blue (MB) by GO, rGO, and heteroatom-doped GO. [9][10][11][12][13][14][15][16][17][18][19][20][21] In addition, our earlier work had shown that rGO synthesized via facile solvothermal method can completely photodegrade MB dye under UV illumination aer process optimizations. 22 However, there are some contradicting past reports on the origin of photoactivity of GO and rGO for dye photodegradation.…”

Liberation of photogenerated radicals from a nano-titania surface at the solid–air interface

“…42 This conversion is considered as a step in MO photocatalytic degradation pathway. 44 Furthermore, the narrow peak suggests almost zero contribution from azo N, which can be expected as a result of UV exposure. 44 The MO-95-b-UV QCM crystal shows a pair of peaks with the maxima at 167.4 eV and 168.6 eV in the S 2p region, which can be attributed to 2p 3/2 and 2p 1/2 components of sulfonate S of MO, respectively.…”

Design and engineering of graphene nanostructures as independent solar-driven photocatalysts for emerging applications in the field of energy and environment

“…This was attributed to the production of more free radicals. 126 GO nanosheets showed visible light active photodegradation of dye molecules. As the oxidation rate increases, more functional groups containing CO were formed at the surface.…”