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Volume 46 All articles Published: 4 May 2023 Article ID 0094
ANJALI RANI KULVINDER SINGH ARUN SINGH PATEL PRIANKA SHARMA
In this study, we have synthesized MoS$_2$ nanostructures (NSs) through a simple and facile hydrothermal method and studied various factors affecting the degradation of organic azo dye methyl red (MR) under the illumination of visible light. The as-synthesized photo-catalyst has been characterized by powder X-ray diffraction, Raman spectroscopy and transmission electron microscopy to confirm its structure and surface morphology. The results reveal that the prepared MoS$_2$ NSs have 2H crystal phase. The peak frequency difference of ${\sim}$25 cm$^{-1}$ exhibits preparation of 5–6 layers of MoS$_2$ NSs. Ultraviolet–visible spectroscopy has been utilized to study the change in percentage degradation of the dye with variation in dosages of photocatalyst, dye concentration and variation in pH of the dye. MoS$_2$ NSs show the best adsorption of 80.35% at low pH of 4.24 with 14 mg of catalyst dosage and 50 ppm of dye concentration in 6 h of irradiation time.
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Bulletin of Materials Science
Volume 46, 2023
All articles
Continuous Article Publishing mode
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Dr Shanti Swarup Bhatnagar for Science and Technology
Posted on October 12, 2020Prof. Subi Jacob George — Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bengaluru
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