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Fabrication of Biomass Carbon Quantum Dots-Bi2WO6 Hybrids Photocatalyst with High-Performance for Antibiotic Degradation

Abstract

Novel biomass carbon quantum dots@Bi2WO6 (BC-QDs@Bi2WO6) photocatalysts with uniform dispersivity havel been prepared via dialysis assisted hydrothermal process. Multiple techniques including HR-TEM, XPS, UV–vis, PL, photocurrent and electrochemical impedance spectroscopy, etc. were employed to investigate the morphology, structures, optical and electronic properties of as-prepared samples. The photocatalytic activity of BC-QDs@Bi2WO6 was assessed by the degradation antibiotic (tetracycline, ciprofloxacin, and gatifloxacin). The improved photocatalytic activity was attributed to the quantum effect of BC-QDs, which acted as light harvesting center, electron reservoir and reaction center for degrading the pollutants. Furthermore, a plausible mechanism for photocatalytical was put forward according to ESR and quenching experiments. The present work would have significant advantages in constructing of biomass carbon-based photocatalyst in pollutant degradation and improved light utilization

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Publication details

The article was received on 18 Sep 2019, accepted on 06 Nov 2019 and first published on 06 Nov 2019


Article type: Paper
DOI: 10.1039/C9NJ04764F
New J. Chem., 2019, Accepted Manuscript

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    Fabrication of Biomass Carbon Quantum Dots-Bi2WO6 Hybrids Photocatalyst with High-Performance for Antibiotic Degradation

    X. Tang, Y. Yu, C. Ma, G. Zhou, X. Liu, M. Song, Z. Lu and L. Liu, New J. Chem., 2019, Accepted Manuscript , DOI: 10.1039/C9NJ04764F

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