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Optical and electrical properties of sol-gel spin coated titanium dioxide thin films
| Content Provider | Scilit |
|---|---|
| Author | Sahoo, Anusuya Jayakrishnan, A. R. Kamakshi, K. Silva, J. P. B. Sekhar, K. C. Gomes, Maria De Jesus De Matos |
| Copyright Year | 2017 |
| Description | Journal: Iop Conference Series: Materials Science and Engineering In this work; $TiO_{2}$ thin films were deposited on glass and stainless steel substrates by sol-gel spin coating method. The films deposited on glass were annealed at different temperatures $(T_{a}$) in the range of 200 to 500$ ^{0}$C and that are deposited on steel substrate were annealed at 800$ ^{0}$C. The optical properties of $TiO_{2}$ thin films were studied by using UV-VIS spectroscopy and photoluminescence (PL) spectroscopy. The transmittance on the average was found to ≥ 80 % and is found to sensitive to $T_{a}$. The PL spectra exhibited the strong emission band associated with band- to- band transition around 390 nm and the two weak bands at 480 and 510 nm associated to the oxygen defects and surface defects respectively. The current-voltage (I-V) characteristics of the $Al/TiO_{2}$/steel capacitors were studied and analysed with application of various current mechanisms. Analysis reveals that the conduction in $Al/TiO_{2}$/steel capacitors is governed by Poole-Frenkel mechanism. |
| Related Links | http://iopscience.iop.org/article/10.1088/1757-899X/225/1/012021/pdf |
| ISSN | 17578981 |
| e-ISSN | 1757899X |
| DOI | 10.1088/1757-899x/225/1/012021 |
| Journal | Iop Conference Series: Materials Science and Engineering |
| Volume Number | 225 |
| Language | English |
| Publisher | IOP Publishing |
| Publisher Date | 2017-08-01 |
| Access Restriction | Open |
| Subject Keyword | Journal: Iop Conference Series: Materials Science and Engineering Condensed Matter Physics Electrical Properties Photoluminescence |
| Content Type | Text |
| Resource Type | Article |
