In this work, ZnO nanoparticles and Cu-doped ZnO nanoparticles were biogenically synthesized using precipitation method in Cissus quadrangularis plant extract medium. The influence of Cu dopant on the crystalline structure, optical properties, and morphology of ZnO was investigated. The samples were characterized by XRD, FTIR, UV–vis spectroscopy and SEM. XRD patterns confirmed the wurtzite formation of doped and undoped ZnO nanoparticles. The average crystallite size of the neat and Cu-doped samples was ~18 nm irrespective of the amount of dopant. The annealing process enhanced the size of both the neat and Cu-doped samples. However, the influence on the size is less prominent in the Cu-doped sample than in the neat sample. The UV-visible spectral analysis shows that all the synthesized doped and undoped nano zinc oxides absorb at ~400nm. The band gap energy of Cu-doped ZnO particles was greater for unannealed samples whereas it was appreciably lowered on annealing for Cu-doped samples. SEM analysis shows rod-like morphology for the unannealed and annealed undoped zinc oxides. It is changed to flower-like morphology with the addition of 5mM Cu2+ and then to nano sheet-like structure with the incorporation of higher amount of Cu2+ ions. Annealing of zinc oxide samples leads to the smoothening of the surfaces with a change in morphology for the ZnO nanoparticles.
| Published in | American Journal of Nano Research and Applications (Volume 12, Issue 1) |
| DOI | 10.11648/j.nano.20241201.12 |
| Page(s) | 15-22 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2024. Published by Science Publishing Group |
Green Synthesis, Nano Zinc Oxide, Cissus quadrangularis
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APA Style
Subramanian, P. P., Kumaran, R. P., Nageri, M. (2024). Biogenically Synthesized ZnO and Cu-Doped ZnO Nanoparticles: Effect of Cu-Dopent Concentration and Annealing on Morphology and Optical Properties. American Journal of Nano Research and Applications, 12(1), 15-22. https://doi.org/10.11648/j.nano.20241201.12
ACS Style
Subramanian, P. P.; Kumaran, R. P.; Nageri, M. Biogenically Synthesized ZnO and Cu-Doped ZnO Nanoparticles: Effect of Cu-Dopent Concentration and Annealing on Morphology and Optical Properties. Am. J. Nano Res. Appl. 2024, 12(1), 15-22. doi: 10.11648/j.nano.20241201.12
AMA Style
Subramanian PP, Kumaran RP, Nageri M. Biogenically Synthesized ZnO and Cu-Doped ZnO Nanoparticles: Effect of Cu-Dopent Concentration and Annealing on Morphology and Optical Properties. Am J Nano Res Appl. 2024;12(1):15-22. doi: 10.11648/j.nano.20241201.12
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Download@article{10.11648/j.nano.20241201.12,
author = {Parameswaran Parlikad Subramanian and Rethikala Pandikkappallil Kumaran and Manoj Nageri},
title = {Biogenically Synthesized ZnO and Cu-Doped ZnO Nanoparticles: Effect of Cu-Dopent Concentration and Annealing on Morphology and Optical Properties
},
journal = {American Journal of Nano Research and Applications},
volume = {12},
number = {1},
pages = {15-22},
doi = {10.11648/j.nano.20241201.12},
url = {https://doi.org/10.11648/j.nano.20241201.12},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.nano.20241201.12},
abstract = {In this work, ZnO nanoparticles and Cu-doped ZnO nanoparticles were biogenically synthesized using precipitation method in Cissus quadrangularis plant extract medium. The influence of Cu dopant on the crystalline structure, optical properties, and morphology of ZnO was investigated. The samples were characterized by XRD, FTIR, UV–vis spectroscopy and SEM. XRD patterns confirmed the wurtzite formation of doped and undoped ZnO nanoparticles. The average crystallite size of the neat and Cu-doped samples was ~18 nm irrespective of the amount of dopant. The annealing process enhanced the size of both the neat and Cu-doped samples. However, the influence on the size is less prominent in the Cu-doped sample than in the neat sample. The UV-visible spectral analysis shows that all the synthesized doped and undoped nano zinc oxides absorb at ~400nm. The band gap energy of Cu-doped ZnO particles was greater for unannealed samples whereas it was appreciably lowered on annealing for Cu-doped samples. SEM analysis shows rod-like morphology for the unannealed and annealed undoped zinc oxides. It is changed to flower-like morphology with the addition of 5mM Cu2+ and then to nano sheet-like structure with the incorporation of higher amount of Cu2+ ions. Annealing of zinc oxide samples leads to the smoothening of the surfaces with a change in morphology for the ZnO nanoparticles.
},
year = {2024}
}
TY - JOUR T1 - Biogenically Synthesized ZnO and Cu-Doped ZnO Nanoparticles: Effect of Cu-Dopent Concentration and Annealing on Morphology and Optical Properties AU - Parameswaran Parlikad Subramanian AU - Rethikala Pandikkappallil Kumaran AU - Manoj Nageri Y1 - 2024/07/29 PY - 2024 N1 - https://doi.org/10.11648/j.nano.20241201.12 DO - 10.11648/j.nano.20241201.12 T2 - American Journal of Nano Research and Applications JF - American Journal of Nano Research and Applications JO - American Journal of Nano Research and Applications SP - 15 EP - 22 PB - Science Publishing Group SN - 2575-3738 UR - https://doi.org/10.11648/j.nano.20241201.12 AB - In this work, ZnO nanoparticles and Cu-doped ZnO nanoparticles were biogenically synthesized using precipitation method in Cissus quadrangularis plant extract medium. The influence of Cu dopant on the crystalline structure, optical properties, and morphology of ZnO was investigated. The samples were characterized by XRD, FTIR, UV–vis spectroscopy and SEM. XRD patterns confirmed the wurtzite formation of doped and undoped ZnO nanoparticles. The average crystallite size of the neat and Cu-doped samples was ~18 nm irrespective of the amount of dopant. The annealing process enhanced the size of both the neat and Cu-doped samples. However, the influence on the size is less prominent in the Cu-doped sample than in the neat sample. The UV-visible spectral analysis shows that all the synthesized doped and undoped nano zinc oxides absorb at ~400nm. The band gap energy of Cu-doped ZnO particles was greater for unannealed samples whereas it was appreciably lowered on annealing for Cu-doped samples. SEM analysis shows rod-like morphology for the unannealed and annealed undoped zinc oxides. It is changed to flower-like morphology with the addition of 5mM Cu2+ and then to nano sheet-like structure with the incorporation of higher amount of Cu2+ ions. Annealing of zinc oxide samples leads to the smoothening of the surfaces with a change in morphology for the ZnO nanoparticles. VL - 12 IS - 1 ER -
Postgraduate Department of Chemistry and Research Center, Sanatana Dharma College, University of Kerala, Alappuzha, India
Postgraduate Department of Chemistry and Research Center, Sanatana Dharma College, University of Kerala, Alappuzha, India
Postgraduate Department of Chemistry and Research Center, Sanatana Dharma College, University of Kerala, Alappuzha, India
