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Fabrication of novel g-C3N4 based MoS2 and Bi2O3 nanorods embedded ternary nanocomposites for superior photocatalytic performance and destruction of bacteria

Abstract

High efficient g-C3N4 based MoS2/Bi2O3 nanorods embedded novel nanocomposites (g-C3N4/MoS2/Bi2O3) was effectively fabricated by the hydrothermal-calcination way. The chemical composition, deep morphology, structure, optical absorption, and photocatalytic belongings of the as-obtained g-C3N4/MoS2/Bi2O3 photocatalysts were considered and well-discussed. HR-TEM outcomes were obviously proposed that the MoS2/Bi2O3 nanorods could be well-composed in the g-C3N4 superficial without clear aggregation. The superior photocatalytic efficacy of g-C3N4/MoS2/Bi2O3 nanocomposite under visible-light revelation has been evaluated by methylene blue (MB) dye photo-degradation. In the 90 min of visible-light exposure time, the decolourization proficiency was attained closely 98.5 % and the removal rate of MB dye decomposition was reached in g-C3N4/MoS2/Bi2O3 photocatalyst, which was 1.4 and 3.6 folds larger than that of as-obtained g-C3N4 and g-C3N4-MoS2 photocatalysts singly. The greater photocatalytic action of g-C3N4/MoS2/Bi2O3 nanocomposites might inhibit the recombination of active migration/separation for photo-excited charges (e-/h+), lesser bandgap, and its durable fascination of visible-light. Likewise, as-prepared nanocomposite has exposed better antibacterial assets against both E.coli and S.aureus bacteria. Also, these novel g-C3N4/MoS2/Bi2O3 nanocomposites keep great eventual for visible-light exposed destruction of organic tints as of industrial wastewater.

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Supplementary files

Article information


Submitted
27 Apr 2020
Accepted
22 Jun 2020
First published
30 Jun 2020

New J. Chem., 2020, Accepted Manuscript
Article type
Paper

Fabrication of novel g-C3N4 based MoS2 and Bi2O3 nanorods embedded ternary nanocomposites for superior photocatalytic performance and destruction of bacteria

V. Shanmugam, K. S. Jeyaperumal, P. Mariappan and A. L. Muppudathi, New J. Chem., 2020, Accepted Manuscript , DOI: 10.1039/D0NJ02101F

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