Enhancing the photodegradation of charged pollutants under visible light in Ag2O/g-C3N4 catalyst by Coulombic interaction
Source abstract
Abstract
Ag2O/g-C3N4 catalyst with a p–n junction to form nanodiode decorated on g-C3N4 was successfully prepared with a facile method. The Ag2O/g-C3N4 photoactivity was investigated through degradation of methylene blue (MB), methyl orange (MO), rhodamine B (RhB), and phenol. XRD, XPS, FTIR, FE-SEM, HR-TEM, UV–Vis DRS, PL, and BET of different analytical techniques were used for the Ag2O/g-C3N4 characterizations. The results showed that 5% Ag2O/g-C3N4 exhibited excellent catalytic activity for the degradation of positively charged dye of MB and negatively charged dye of MO under visible light irradiation, but not good for uncharged pollutant of RhB. Ag2O/g-C3N4 also exhibited relatively good stability and durability during the repeated dye removal experiments. To explain the different photoactivities, the Coulombic interaction mechanism between dyes and catalyst was proposed.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced Photocatalysis Techniques · Gas Sensing Nanomaterials and Sensors · Advanced Nanomaterials in Catalysis
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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