Effect of reaction time on structural, morphological, optical and photocatalytic properties of copper oxide (CuO) nanostructures

Spindle-like CuO nanostructure had been synthesized by facile hydrothermal method at low temperature of 100 °C. The influence of reaction time on the evolution of structure, morphology, optical and photocatalytic properties was investigated. X-ray diffraction analysis revealed the monoclinic phase....

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Published in:Journal of materials science. Materials in electronics 2019-03, Vol.30 (6), p.6249-6262
Main Authors: Vinothkumar, P., Manoharan, C., Shanmugapriya, B., Bououdina, Mohammed
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Copper oxides
Light irradiation
Materials Science
Methylene blue
Morphology
Nanoparticles
Nanostructure
Optical and Electronic Materials
Optical properties
Photocatalysis
Photoluminescence
Reaction time
Spectrum analysis
Synthesis
Ultraviolet radiation
X ray photoelectron spectroscopy
X-ray diffraction
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cited_by cdi_FETCH-LOGICAL-c356t-5a825a8156574e86347e2f1d5eedb1eb275bac71ab99ed243cd4c5dc7cabb5083
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container_title Journal of materials science. Materials in electronics
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creator Vinothkumar, P.
Manoharan, C.
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Bououdina, Mohammed
description Spindle-like CuO nanostructure had been synthesized by facile hydrothermal method at low temperature of 100 °C. The influence of reaction time on the evolution of structure, morphology, optical and photocatalytic properties was investigated. X-ray diffraction analysis revealed the monoclinic phase. HR-SEM and TEM analyses evidenced morphological transformation with reaction time. XPS analysis revealed the composition and elemental state of CuO nanoparticles. The optical properties analysed by UV-absorption spectroscopy indicated that the band gap varied slightly within the range 3.43–3.56 eV. Photoluminescence spectra displayed violet, blue and green emissions for all synthesized nanostructures. The as-synthesized CuO nanostructures were effectively used to degrade methylene blue (MB) dye under UV-light irradiation; reaching a maximum efficiency of 85% for 12 h.
doi_str_mv 10.1007/s10854-019-00928-7
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subjects Characterization and Evaluation of Materials
Chemistry and Materials Science
Copper oxides
Light irradiation
Materials Science
Methylene blue
Morphology
Nanoparticles
Nanostructure
Optical and Electronic Materials
Optical properties
Photocatalysis
Photoluminescence
Reaction time
Spectrum analysis
Synthesis
Ultraviolet radiation
X ray photoelectron spectroscopy
X-ray diffraction
title Effect of reaction time on structural, morphological, optical and photocatalytic properties of copper oxide (CuO) nanostructures
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