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Study of the Optical Properties of Zno Nano-structure at Different Ti Content |
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PP: 257-266 |
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doi:10.18576/ijtfst/110301
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Author(s) |
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E. A. Badawi,
H. Ibrahim,
M. R. Ebied,
M. Abdel-Rahman,
H. Khallaf,
M. A. Abdel Rahman,
E. E. Assem,
A. Ashour,
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Abstract |
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| Zinc oxide (ZnO) and TZO samples having different Ti content were synthesized from doping to composite by Citrate sol-gel method (dissolving and react with citric acid) characterized according to their optical properties. The UV - vis
characterization exhibiting good optical properties. The results show there are one absorption edge at pure and low Ti doping but at higher Ti% another edge appeared and slightly shifted around 400 nm. The maximum absorption nearly at 350 nm, and the band gap energy of Ti-doped ZnO increase from 3.16 to 3.20 eV achieving a blue-shift. A red shift from 3.07 to 3.19 eV in the visible range which has a very important application, this improves the optical properties of ZnO and gives an indication how to tune its band gap (increase or decrease by doping or composition).
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