Copper oxide nanoparticles synthesized by a heat treatment approach with structural, morphological and optical characteristics

In this paper, using heat treatment approach has achieved a successful synthesis of copper oxide (CuO) nanoparticles with monoclinic structure. Thus, copper(II) nitrate trihydrate has been employed as a metal precursor, polyvinylpyrrolidone as a capping agent, while the solvent was deionized water b...

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Bibliographic Details
Published in:Journal of materials science. Materials in electronics 2018, Vol.29 (2), p.1025-1033
Main Authors: Baqer, Anwar Ali, Matori, Khamirul Amin, Al-Hada, Naif Mohammed, Kamari, Halimah Mohamed, Shaari, Abdul Halim, Saion, Elias, Chyi, Josephine Liew Ying
Format: Article
Language:English
Subjects:
Characterization and Evaluation of Materials
Chemistry and Materials Science
Copper
Copper compounds
Copper oxides
Deionization
Heat treatment
Materials Science
Nanoparticles
Optical and Electronic Materials
Optical properties
Photoluminescence
Polyvinylpyrrolidone
Roasting
Temperature
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Summary:In this paper, using heat treatment approach has achieved a successful synthesis of copper oxide (CuO) nanoparticles with monoclinic structure. Thus, copper(II) nitrate trihydrate has been employed as a metal precursor, polyvinylpyrrolidone as a capping agent, while the solvent was deionized water by altering the calcining temperatures from 500 to 800 °C. The XRD patterns, EDX and FTIR spectra have proved that the CuO nanoparticles obtained have a high level of purity, crystallinity and nano-size. The FESEM images showed that nanoparticles are spherical with a tendency of agglomeration while calcining temperature being increased. Additionally, it has been noted that as the calcining temperature rose, the average particles sizes increased as demonstrated by TEM images. The optical properties have been demonstrated by using the UV visible spectrophotometer; the obtained results have revealed that the energy band gab decreases in relation with the calcination temperature increment. Further results have shown that the photoluminescent intensity has been increased with the calcination temperature increment as demonstrated by photoluminescence.
ISSN:0957-4522
1573-482X
DOI:10.1007/s10854-017-8002-3