Abstract
This study investigates the effect of Ti content on the optical and structural properties of the Ti-doped ZnO (TixZn1-xO) nanoparticles by x-ray diffraction, scanning electron microscopy, photoluminescence and Raman scattering measurements. A dependence of luminescent properties and crystal structure upon Ti content has been found. The band-edge-luminescence (BEL) intensity of Ti0.10Zn0.90O at room temperature was nearly 1.7 times higher than that of ZnO. The enhanced BEL intensity is attributed to a decrease in the oxygen-vacancy density. However, the lower BEL intensity of Ti0.15Zn0.85O than Ti 0.10Zn0.90O is attributed to an increase in the probability of nonradiative recombination. In addition, the intensity of the x-ray diffraction peaks remarkably decreases with increasing Ti content, suggesting weakened crystallinity.
Original language | English |
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Pages (from-to) | 491-494 |
Number of pages | 4 |
Journal | Journal of Luminescence |
Volume | 132 |
Issue number | 2 |
DOIs | |
Publication status | Published - 2012 Feb 1 |
All Science Journal Classification (ASJC) codes
- Biophysics
- Biochemistry
- Chemistry(all)
- Atomic and Molecular Physics, and Optics
- Condensed Matter Physics