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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Paul, S. Hossain, M.F. Islam, M.H. Raihan, M.A. Chakladar, S. |
| Copyright Year | 2014 |
| Description | Author affiliation: Dept. of Electr. & Electron. Eng., Rajshahi Univ. of Eng. & Technol., Rajshahi, Bangladesh (Paul, S.; Hossain, M.F.; Islam, M.H.; Raihan, M.A.; Chakladar, S.) |
| Abstract | In this work, ZnO thin films were deposited on glass substrate using automatic sol-gel process, rather than conventional sol-gel process, and the optical properties of the prepared films were also measured. Using zinc acetate, ethanol, diethanolamine and de-ionized water, ZnO films were prepared by varying the number of coatings (2-5 dipping iterations) for zinc acetate concentrations of 1.0 mol/L. The films were decomposed at 300°C for 1 h and, after giving final coating, were annealed at 500°C for 2 h. Optical transmittance measurements of the deposited films have been carried out with UV/Visible spectrometer at 200-900 wavelengths. The prepared ZnO films have been found to be highly transparent in the visible range. The average transmittance of ZnO films for 2 coatings has been found to be of 92% in the visible range with high absorbance in the UV-region and the direct and indirect allowed band gap has been found to be of 3.21 eV and 3.08 eV respectively. |
| Sponsorship | IEEE Bangladesh Sect. ED/SSC Joint Chapt. |
| Starting Page | 1 |
| Ending Page | 4 |
| File Size | 506329 |
| Page Count | 4 |
| File Format | |
| e-ISBN | 9781479922994 |
| DOI | 10.1109/EICT.2014.6777906 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-02-13 |
| Publisher Place | Bangladesh |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Photonic band gap Optical properties Zinc oxide ZnO Automatic sol-gel Band gap Optical films Coatings Substrates |
| Content Type | Text |
| Resource Type | Article |
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