Tuning the bandgap of Zn1-xMnxO thin films prepared by the sol-gel method

A. R. Affa Rozana, P. Susthitha Menon N V Visvanathan, S. Saari

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The morphology and optical properties of Zn1-xMnxO films were synthesized by sol gel method using spin coating technique. Zn 1-xMnxO thin films is prepared using 2-methoxyethanol solution of zinc acetate dehydrate and manganese acetate tetrahydrate. The solution is stabilized by MEA. The quantity of Mn in the sol was varied from x = 0, 0.02, 0.04, 0.06 and 0.08 with annealing temperature of 600°C. Investigation of the physical properties and presence of nanostructures were executed using SEM and XRD characterization. Addition of Mn lead to the formation of nanosize rod structures. The optical properties were characterized using UV-Vis where the band gap and transmittance can be determined. Results show that the transmittance spectra and band gap reduces after a certain percentage of Mn addition. The variation of the band gap performance with dopant concentration is also examined.

Original languageEnglish
Title of host publication2010 International Conference on Photonics, ICP2010
DOIs
Publication statusPublished - 2010
Event2010 1st International Conference on Photonics, ICP2010 - Langkawi, Kedah
Duration: 5 Jul 20107 Jul 2010

Other

Other2010 1st International Conference on Photonics, ICP2010
CityLangkawi, Kedah
Period5/7/107/7/10

Fingerprint

Sol-gel process
Energy gap
Tuning
Thin films
Optical properties
Coating techniques
Spin coating
Sols
Manganese
Nanostructures
Zinc
Physical properties
Doping (additives)
Annealing
Scanning electron microscopy
Temperature

Keywords

  • Sol gel method
  • ZnMnO thin film

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Affa Rozana, A. R., N V Visvanathan, P. S. M., & Saari, S. (2010). Tuning the bandgap of Zn1-xMnxO thin films prepared by the sol-gel method. In 2010 International Conference on Photonics, ICP2010 [5604421] https://doi.org/10.1109/ICP.2010.5604421

Tuning the bandgap of Zn1-xMnxO thin films prepared by the sol-gel method. / Affa Rozana, A. R.; N V Visvanathan, P. Susthitha Menon; Saari, S.

2010 International Conference on Photonics, ICP2010. 2010. 5604421.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Affa Rozana, AR, N V Visvanathan, PSM & Saari, S 2010, Tuning the bandgap of Zn1-xMnxO thin films prepared by the sol-gel method. in 2010 International Conference on Photonics, ICP2010., 5604421, 2010 1st International Conference on Photonics, ICP2010, Langkawi, Kedah, 5/7/10. https://doi.org/10.1109/ICP.2010.5604421
Affa Rozana AR, N V Visvanathan PSM, Saari S. Tuning the bandgap of Zn1-xMnxO thin films prepared by the sol-gel method. In 2010 International Conference on Photonics, ICP2010. 2010. 5604421 https://doi.org/10.1109/ICP.2010.5604421
Affa Rozana, A. R. ; N V Visvanathan, P. Susthitha Menon ; Saari, S. / Tuning the bandgap of Zn1-xMnxO thin films prepared by the sol-gel method. 2010 International Conference on Photonics, ICP2010. 2010.
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