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Effect of Deposition Parameters on the Structure of ZnCo Alloy Nanowires and Growth Mechanism

Received: 13 December 2019    Accepted:     Published: 04 January 2020
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Abstract

To elucidate the effect of voltage and concentration on the elctrodeposition of ZnCo nanowires, we have studied the deposition of ZnCo nanowires by XRD and SEM. The structure of ZnCo alloy nanowires changes by changing the concentration of electrolyte as 100-x g/l Co100-xZnx (0≤x≤15), at constant voltage -1.6, and fixed pH 3. XRD results show that change in concentration can transform the crystal structure of electrodeposited Co100-xZnx from crystalline to amorphous. Furthermore, similar behavior from crystalline to amorphous was also observed for ZnCo electrodeposited nanowires at various potentials (-1.6V, - 2.5V, and - 3.0V) from the bath containing Co95g/l and Zn5g/l, pH 3 and at room temperature. We argued that this change in structure of ZnCo nanowires can be attributed to the faster growth rate of Zn than Co. These results can be explained by the electron tunneling theory. The workfunction of Zn (4.33eV) is smaller than Co (5.0eV) and the wavefunction of Zn metal has a larger overlap with orbital wavefunction of Zn ions, which leads the faster growth rate of Zn and hence influenced the structure of ZnCo alloy nanowires.

DOI 10.11648/j.jeee.20200801.12
Published in Journal of Electrical and Electronic Engineering (Volume 8, Issue 1, February 2020)
Page(s) 10-15
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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

Keywords

Alloy Nanowires, Electrodeposition, Growth, Electron Tunneling

References
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Author Information
  • The State Key Laboratory of Refractories and Metallurgy, Hubei Province Key Laboratory of Systems Science in Metallurgical Process, International Research Institute for Steel Technology, Wuhan University of Science and Technology, Wuhan, P. R. China

  • The State Key Laboratory of Refractories and Metallurgy, Hubei Province Key Laboratory of Systems Science in Metallurgical Process, International Research Institute for Steel Technology, Wuhan University of Science and Technology, Wuhan, P. R. China

  • The State Key Laboratory of Refractories and Metallurgy, Hubei Province Key Laboratory of Systems Science in Metallurgical Process, International Research Institute for Steel Technology, Wuhan University of Science and Technology, Wuhan, P. R. China

  • Department of Physics, Government College Women University, Sialkot, Punjab, Pakistan

  • Department of Physics, Government College Women University, Sialkot, Punjab, Pakistan

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    Tahir Mehmood, K. M. Wu, Aiman Mukhtar, Marina Afzal, Babar Shahzad Khan. (2020). Effect of Deposition Parameters on the Structure of ZnCo Alloy Nanowires and Growth Mechanism. Journal of Electrical and Electronic Engineering, 8(1), 10-15. https://doi.org/10.11648/j.jeee.20200801.12

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    ACS Style

    Tahir Mehmood; K. M. Wu; Aiman Mukhtar; Marina Afzal; Babar Shahzad Khan. Effect of Deposition Parameters on the Structure of ZnCo Alloy Nanowires and Growth Mechanism. J. Electr. Electron. Eng. 2020, 8(1), 10-15. doi: 10.11648/j.jeee.20200801.12

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    AMA Style

    Tahir Mehmood, K. M. Wu, Aiman Mukhtar, Marina Afzal, Babar Shahzad Khan. Effect of Deposition Parameters on the Structure of ZnCo Alloy Nanowires and Growth Mechanism. J Electr Electron Eng. 2020;8(1):10-15. doi: 10.11648/j.jeee.20200801.12

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  • @article{10.11648/j.jeee.20200801.12,
      author = {Tahir Mehmood and K. M. Wu and Aiman Mukhtar and Marina Afzal and Babar Shahzad Khan},
      title = {Effect of Deposition Parameters on the Structure of ZnCo Alloy Nanowires and Growth Mechanism},
      journal = {Journal of Electrical and Electronic Engineering},
      volume = {8},
      number = {1},
      pages = {10-15},
      doi = {10.11648/j.jeee.20200801.12},
      url = {https://doi.org/10.11648/j.jeee.20200801.12},
      eprint = {https://download.sciencepg.com/pdf/10.11648.j.jeee.20200801.12},
      abstract = {To elucidate the effect of voltage and concentration on the elctrodeposition of ZnCo nanowires, we have studied the deposition of ZnCo nanowires by XRD and SEM. The structure of ZnCo alloy nanowires changes by changing the concentration of electrolyte as 100-x g/l Co100-xZnx (0≤x≤15), at constant voltage -1.6, and fixed pH 3. XRD results show that change in concentration can transform the crystal structure of electrodeposited Co100-xZnx from crystalline to amorphous. Furthermore, similar behavior from crystalline to amorphous was also observed for ZnCo electrodeposited nanowires at various potentials (-1.6V, - 2.5V, and - 3.0V) from the bath containing Co95g/l and Zn5g/l, pH 3 and at room temperature. We argued that this change in structure of ZnCo nanowires can be attributed to the faster growth rate of Zn than Co. These results can be explained by the electron tunneling theory. The workfunction of Zn (4.33eV) is smaller than Co (5.0eV) and the wavefunction of Zn metal has a larger overlap with orbital wavefunction of Zn ions, which leads the faster growth rate of Zn and hence influenced the structure of ZnCo alloy nanowires.},
     year = {2020}
    }
    

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    T1  - Effect of Deposition Parameters on the Structure of ZnCo Alloy Nanowires and Growth Mechanism
    AU  - Tahir Mehmood
    AU  - K. M. Wu
    AU  - Aiman Mukhtar
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    T2  - Journal of Electrical and Electronic Engineering
    JF  - Journal of Electrical and Electronic Engineering
    JO  - Journal of Electrical and Electronic Engineering
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    PB  - Science Publishing Group
    SN  - 2329-1605
    UR  - https://doi.org/10.11648/j.jeee.20200801.12
    AB  - To elucidate the effect of voltage and concentration on the elctrodeposition of ZnCo nanowires, we have studied the deposition of ZnCo nanowires by XRD and SEM. The structure of ZnCo alloy nanowires changes by changing the concentration of electrolyte as 100-x g/l Co100-xZnx (0≤x≤15), at constant voltage -1.6, and fixed pH 3. XRD results show that change in concentration can transform the crystal structure of electrodeposited Co100-xZnx from crystalline to amorphous. Furthermore, similar behavior from crystalline to amorphous was also observed for ZnCo electrodeposited nanowires at various potentials (-1.6V, - 2.5V, and - 3.0V) from the bath containing Co95g/l and Zn5g/l, pH 3 and at room temperature. We argued that this change in structure of ZnCo nanowires can be attributed to the faster growth rate of Zn than Co. These results can be explained by the electron tunneling theory. The workfunction of Zn (4.33eV) is smaller than Co (5.0eV) and the wavefunction of Zn metal has a larger overlap with orbital wavefunction of Zn ions, which leads the faster growth rate of Zn and hence influenced the structure of ZnCo alloy nanowires.
    VL  - 8
    IS  - 1
    ER  - 

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