Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films

R. A. Chikwenze; P. A. Nwofe; P. E. Agbo; S. N. Nwankwo; J. E. Ekpe; F. U. Nweke

doi:doi:10.11648/j.ijmsa.20150402.15

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Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films

R. A. Chikwenze, P. A. Nwofe, P. E. Agbo, S. N. Nwankwo, J. E. Ekpe, F. U. Nweke

Published in International Journal of Materials Science and Applications (Volume 4, Issue 2)

Received: 3 February 2015 Accepted: 24 February 2015 Published: 17 March 2015

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Abstract

In this study, the effect of dip time on the structural and optical properties of cadmium selenide (CdSe) thin films grown by the chemical bath deposition method is reported. The films were grown with varying dip time in the range of 4 h to 12h, and the other deposition variables (substrate temperature, source to substrate distance, pH, and concentration) were kept constant. X-ray diffractometry (XRD) and optical spectroscopy were used to characterise the layers. The results show that the crystallite size and the film thickness increased with an increase in the dip time up to a “critical value” and then decreased otherwise for the latter. The increase in the crystallite size was more pronounced at the lower dip time (< 8 h), and then exhibited a marginal increase for dip time > 8 h. The energy band gap was found to be direct with an optimum value of 1.2 eV obtained for films grown at a dip time of 8 h.

Published in	International Journal of Materials Science and Applications (Volume 4, Issue 2)
DOI	10.11648/j.ijmsa.20150402.15
Page(s)	101-106
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), 2015. Published by Science Publishing Group

Keywords

Dip Time, Film Thickness, Crystallite Size, Energy Bandgap

References

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R. A. Chikwenze, P. A. Nwofe, P. E. Agbo, S. N. Nwankwo, J. E. Ekpe, et al. (2015). Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films. International Journal of Materials Science and Applications, 4(2), 101-106. https://doi.org/10.11648/j.ijmsa.20150402.15

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R. A. Chikwenze; P. A. Nwofe; P. E. Agbo; S. N. Nwankwo; J. E. Ekpe, et al. Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films. Int. J. Mater. Sci. Appl. 2015, 4(2), 101-106. doi: 10.11648/j.ijmsa.20150402.15

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R. A. Chikwenze, P. A. Nwofe, P. E. Agbo, S. N. Nwankwo, J. E. Ekpe, et al. Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films. Int J Mater Sci Appl. 2015;4(2):101-106. doi: 10.11648/j.ijmsa.20150402.15

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@article{10.11648/j.ijmsa.20150402.15,
  author = {R. A. Chikwenze and P. A. Nwofe and P. E. Agbo and S. N. Nwankwo and J. E. Ekpe and F. U. Nweke},
  title = {Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films},
  journal = {International Journal of Materials Science and Applications},
  volume = {4},
  number = {2},
  pages = {101-106},
  doi = {10.11648/j.ijmsa.20150402.15},
  url = {https://doi.org/10.11648/j.ijmsa.20150402.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20150402.15},
  abstract = {In this study, the effect of dip time on the structural and optical properties of cadmium selenide (CdSe) thin films grown by the chemical bath deposition method is reported. The films were grown with varying dip time in the range of 4 h to 12h, and the other deposition variables (substrate temperature, source to substrate distance, pH, and concentration) were kept constant. X-ray diffractometry (XRD) and optical spectroscopy were used to characterise the layers. The results show that the crystallite size and the film thickness increased with an increase in the dip time up to a “critical value” and then decreased otherwise for the latter. The increase in the crystallite size was more pronounced at the lower dip time ( 8 h. The energy band gap was found to be direct with an optimum value of 1.2 eV obtained for films grown at a dip time of 8 h.},
 year = {2015}
}

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TY - JOUR
T1 - Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films
AU - R. A. Chikwenze
AU - P. A. Nwofe
AU - P. E. Agbo
AU - S. N. Nwankwo
AU - J. E. Ekpe
AU - F. U. Nweke
Y1 - 2015/03/17
PY - 2015
N1 - https://doi.org/10.11648/j.ijmsa.20150402.15
DO - 10.11648/j.ijmsa.20150402.15
T2 - International Journal of Materials Science and Applications
JF - International Journal of Materials Science and Applications
JO - International Journal of Materials Science and Applications
SP - 101
EP - 106
PB - Science Publishing Group
SN - 2327-2643
UR - https://doi.org/10.11648/j.ijmsa.20150402.15
AB - In this study, the effect of dip time on the structural and optical properties of cadmium selenide (CdSe) thin films grown by the chemical bath deposition method is reported. The films were grown with varying dip time in the range of 4 h to 12h, and the other deposition variables (substrate temperature, source to substrate distance, pH, and concentration) were kept constant. X-ray diffractometry (XRD) and optical spectroscopy were used to characterise the layers. The results show that the crystallite size and the film thickness increased with an increase in the dip time up to a “critical value” and then decreased otherwise for the latter. The increase in the crystallite size was more pronounced at the lower dip time ( 8 h. The energy band gap was found to be direct with an optimum value of 1.2 eV obtained for films grown at a dip time of 8 h.
VL - 4
IS - 2
ER -

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Author Information

R. A. Chikwenze

Department of Physics, Faculty of Natural Sciences, Federal University, Ndufu-Alike, Ikwo, Nigeria
P. A. Nwofe

Division of Materials Science and Renewable Energy, Department of Industrial Physics, Faculty of Sciences, Ebonyi State University, Abakaliki, Nigeria
P. E. Agbo

Division of Materials Science and Renewable Energy, Department of Industrial Physics, Faculty of Sciences, Ebonyi State University, Abakaliki, Nigeria
S. N. Nwankwo

Division of Materials Science and Renewable Energy, Department of Industrial Physics, Faculty of Sciences, Ebonyi State University, Abakaliki, Nigeria
J. E. Ekpe

Division of Materials Science and Renewable Energy, Department of Industrial Physics, Faculty of Sciences, Ebonyi State University, Abakaliki, Nigeria
F. U. Nweke

Division of Materials Science and Renewable Energy, Department of Industrial Physics, Faculty of Sciences, Ebonyi State University, Abakaliki, Nigeria

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R. A. Chikwenze, P. A. Nwofe, P. E. Agbo, S. N. Nwankwo, J. E. Ekpe, et al. (2015). Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films. International Journal of Materials Science and Applications, 4(2), 101-106. https://doi.org/10.11648/j.ijmsa.20150402.15

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R. A. Chikwenze; P. A. Nwofe; P. E. Agbo; S. N. Nwankwo; J. E. Ekpe, et al. Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films. Int. J. Mater. Sci. Appl. 2015, 4(2), 101-106. doi: 10.11648/j.ijmsa.20150402.15

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R. A. Chikwenze, P. A. Nwofe, P. E. Agbo, S. N. Nwankwo, J. E. Ekpe, et al. Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films. Int J Mater Sci Appl. 2015;4(2):101-106. doi: 10.11648/j.ijmsa.20150402.15

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@article{10.11648/j.ijmsa.20150402.15,
  author = {R. A. Chikwenze and P. A. Nwofe and P. E. Agbo and S. N. Nwankwo and J. E. Ekpe and F. U. Nweke},
  title = {Effect of Dip Time on the Structural and Optical Properties of Chemically Deposited CdSe Thin Films},
  journal = {International Journal of Materials Science and Applications},
  volume = {4},
  number = {2},
  pages = {101-106},
  doi = {10.11648/j.ijmsa.20150402.15},
  url = {https://doi.org/10.11648/j.ijmsa.20150402.15},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ijmsa.20150402.15},
  abstract = {In this study, the effect of dip time on the structural and optical properties of cadmium selenide (CdSe) thin films grown by the chemical bath deposition method is reported. The films were grown with varying dip time in the range of 4 h to 12h, and the other deposition variables (substrate temperature, source to substrate distance, pH, and concentration) were kept constant. X-ray diffractometry (XRD) and optical spectroscopy were used to characterise the layers. The results show that the crystallite size and the film thickness increased with an increase in the dip time up to a “critical value” and then decreased otherwise for the latter. The increase in the crystallite size was more pronounced at the lower dip time ( 8 h. The energy band gap was found to be direct with an optimum value of 1.2 eV obtained for films grown at a dip time of 8 h.},
 year = {2015}
}

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