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TOUFIK HADJERSI
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Volume 44 All articles Published: 17 March 2021 Article ID 0064
HAKIMA BOZETINE SMAIL MEZIANE SABRINA AZIRI NABILA BERKANE DJAOUIDA ALLAM SALEM BOUDINAR TOUFIK HADJERSI
A photocatalyst based on a ZnO/CQDs/AgNPs ternary heterostructure was synthesized by a green and easy
in-situ hydrothermal method. The carbon quantum dots (CQDs) were used in order to reduce AgNO$_3$ to form silvernanoparticles (AgNPs). The as-prepared photocatalyst was characterized by different techniques such as X-ray diffraction, scanning electron microscopy, energy dispersive X-ray spectrometer, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and Bruner–Emmett–Teller. The optical properties of the nanocomposites were examined using UV–visible spectrophotometer. The photocatalytic activity of ZnO/CQDs/AgNPs was evaluated by degradation of methylene blue (MB) under UV light irradiation. The ternary heterostructure exhibits higher photocatalytic activity compared to pure ZnO, ZnO/CQDs and ZnO/Ag. It was found that a degradation of 98.6% of MB was achieved within 50 min of UV light irradiation. Finally, a possible mechanism is proposed to explain the photodegradation of MB by this nanocomposite.
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Bulletin of Materials Science
Volume 46, 2023
All articles
Continuous Article Publishing mode
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Bulletin of Materials Science | News
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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
Chemical Sciences 2020Prof. Surajit Dhara — School of Physics, University of Hyderabad, Hyderabad
Physical Sciences 2020 -
Editorial Note on Continuous Article Publication
Posted on July 25, 2019Click here for Editorial Note on CAP Mode
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