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Fabrication of nitrogen-rich graphitic carbon nitride/Cu2O (g-C3N4@Cu2O) composite and its enhanced photocatalytic activity for organic pollutants degradation

The present study deals with the synthesis, characterization, and testing of photocatalytic activity towards the degradation of organic dyes and for that, nitrogen-rich graphitic carbon nitride/cuprous oxide (g-C3N4@Cu2O) composite was synthesized with improved photocatalytic performance using the h...

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Main Authors: Muthukumaran, M., Prasath, P. Varun, Kulandaivelu, Ravichandran, Sagadevan, Suresh, Mohammad, Faruq, Oh, Won Chun
Format: Article
Published: Springer 2020
Subjects:
Q Science (General)
QC Physics
Online Access:http://eprints.um.edu.my/36929/
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spelling my.um.eprints.369292024-11-28T03:42:36Z http://eprints.um.edu.my/36929/ Fabrication of nitrogen-rich graphitic carbon nitride/Cu2O (g-C3N4@Cu2O) composite and its enhanced photocatalytic activity for organic pollutants degradation Muthukumaran, M. Prasath, P. Varun Kulandaivelu, Ravichandran Sagadevan, Suresh Mohammad, Faruq Oh, Won Chun Q Science (General) QC Physics The present study deals with the synthesis, characterization, and testing of photocatalytic activity towards the degradation of organic dyes and for that, nitrogen-rich graphitic carbon nitride/cuprous oxide (g-C3N4@Cu2O) composite was synthesized with improved photocatalytic performance using the hydrothermal method. For the characterization of composite, many different techniques are employed such as Fourier transform infrared spectroscopy for the chemical functionality and bonding, diffused reflectance ultraviolet-visible spectroscopy for the optical properties, powdered X-ray diffraction patterning for the phase purity and crystal orientations, field emission scanning electron microscopy for the surface morphology, thermogravimetric analysis for the thermal stability, and dynamic light scattering spectroscopy for the zeta-potentials. On testing, we observed significant effects of photocatalytic activity in terms of the degradation of various dyes like methylene blue, rhodium-B, thymol blue, and blue ink solution under the UV light irradiation using 8 W xenon lamp. Such a significant activity of the composite can be linked to the increased light absorption, charge separation efficiency, and specific surface area as indicated by the UV-vis DRS analysis. Further, the mechanistic analysis confirmed the active role played by the holes (h(+)) and superoxide radicals (center dot O-2(-)) for photocatalytic dye degradation. Springer 2020-02 Article PeerReviewed Muthukumaran, M. and Prasath, P. Varun and Kulandaivelu, Ravichandran and Sagadevan, Suresh and Mohammad, Faruq and Oh, Won Chun (2020) Fabrication of nitrogen-rich graphitic carbon nitride/Cu2O (g-C3N4@Cu2O) composite and its enhanced photocatalytic activity for organic pollutants degradation. Journal of Materials Science-Materials in Electronics, 31 (3). pp. 2257-2268. ISSN 0957-4522, DOI https://doi.org/10.1007/s10854-019-02757-0 <https://doi.org/10.1007/s10854-019-02757-0>. 10.1007/s10854-019-02757-0
institution Universiti Malaya
building UM Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Malaya
content_source UM Research Repository
url_provider http://eprints.um.edu.my/
topic Q Science (General)
QC Physics
spellingShingle Q Science (General)
QC Physics
Muthukumaran, M.
Prasath, P. Varun
Kulandaivelu, Ravichandran
Sagadevan, Suresh
Mohammad, Faruq
Oh, Won Chun
Fabrication of nitrogen-rich graphitic carbon nitride/Cu2O (g-C3N4@Cu2O) composite and its enhanced photocatalytic activity for organic pollutants degradation
description The present study deals with the synthesis, characterization, and testing of photocatalytic activity towards the degradation of organic dyes and for that, nitrogen-rich graphitic carbon nitride/cuprous oxide (g-C3N4@Cu2O) composite was synthesized with improved photocatalytic performance using the hydrothermal method. For the characterization of composite, many different techniques are employed such as Fourier transform infrared spectroscopy for the chemical functionality and bonding, diffused reflectance ultraviolet-visible spectroscopy for the optical properties, powdered X-ray diffraction patterning for the phase purity and crystal orientations, field emission scanning electron microscopy for the surface morphology, thermogravimetric analysis for the thermal stability, and dynamic light scattering spectroscopy for the zeta-potentials. On testing, we observed significant effects of photocatalytic activity in terms of the degradation of various dyes like methylene blue, rhodium-B, thymol blue, and blue ink solution under the UV light irradiation using 8 W xenon lamp. Such a significant activity of the composite can be linked to the increased light absorption, charge separation efficiency, and specific surface area as indicated by the UV-vis DRS analysis. Further, the mechanistic analysis confirmed the active role played by the holes (h(+)) and superoxide radicals (center dot O-2(-)) for photocatalytic dye degradation.
format Article
author Muthukumaran, M.
Prasath, P. Varun
Kulandaivelu, Ravichandran
Sagadevan, Suresh
Mohammad, Faruq
Oh, Won Chun
author_facet Muthukumaran, M.
Prasath, P. Varun
Kulandaivelu, Ravichandran
Sagadevan, Suresh
Mohammad, Faruq
Oh, Won Chun
author_sort Muthukumaran, M.
title Fabrication of nitrogen-rich graphitic carbon nitride/Cu2O (g-C3N4@Cu2O) composite and its enhanced photocatalytic activity for organic pollutants degradation
title_short Fabrication of nitrogen-rich graphitic carbon nitride/Cu2O (g-C3N4@Cu2O) composite and its enhanced photocatalytic activity for organic pollutants degradation
title_full Fabrication of nitrogen-rich graphitic carbon nitride/Cu2O (g-C3N4@Cu2O) composite and its enhanced photocatalytic activity for organic pollutants degradation
title_fullStr Fabrication of nitrogen-rich graphitic carbon nitride/Cu2O (g-C3N4@Cu2O) composite and its enhanced photocatalytic activity for organic pollutants degradation
title_full_unstemmed Fabrication of nitrogen-rich graphitic carbon nitride/Cu2O (g-C3N4@Cu2O) composite and its enhanced photocatalytic activity for organic pollutants degradation
title_sort fabrication of nitrogen-rich graphitic carbon nitride/cu2o (g-c3n4@cu2o) composite and its enhanced photocatalytic activity for organic pollutants degradation
publisher Springer
publishDate 2020
url http://eprints.um.edu.my/36929/
_version_ 1817841980133081088
score 13.223943

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