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High interfacial charge separation in visible-light active Z- scheme g-C3N4/MoS2 heterojunction: Mechanism and degradation of sulfasalazine by Gaurav Sharma; Mu. Naushad; Zeid A. ALOthman; Jibran Iqbal; Chinna Bathula is a Environmental Science article available to read on EtoBox.

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Examination of highly proficient photoactive materials for the degradation of antibiotics from the aqueous solution is the need of the hour. In the present study, a 2D/2D binary junction GCM, formed between graphitic-carbon nitride (g-C 3 N 4 ) and molybdenum disulphide (MoS 2 ), was synthesized using facile hydrothermal method and its photoefficacy was tested for the degradation of sulfasalazine (SUL) from aqueous solution under visible-light irradiation. Morphological analysis indicated the nanosheets arrangement of MoS 2 and g-C 3 N 4 . The visible-light driven experiments indicated that 97% antibiotic was degraded by GCM-30% within 90 min which was found to be quite high than pristine g-C 3 N 4 and MoS 2 at solution pH of 6, GCM-30% dose of 20 mg, and SUL concentration of 20 mgL -1 . The degradation performance of GCM-30% was selectively improved due to enhanced visible-light absorption, high charge carrier separation, and high redox ability of the photogenerated charges which was induced by the effective Z-scheme 2D/2D heterojunction formed between g-C 3 N 4 and MoS 2 . The reactive radicals as determined by the scavenging study were •O 2 -, and h + . A detailed degradation me

Who reads High interfacial charge separation in visible-light active Z- scheme g-C3N4/MoS2 heterojunction: Mechanism and degradation of sulfasalazine?

Author

Gaurav Sharma; Mu. Naushad; Zeid A. ALOthman; Jibran Iqbal; Chinna Bathula

Publisher

Elsevier BV

Published

2022

Language

EN

Field

Environmental Science (Physical Sciences)