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September 10, 2025ChemistrySelectOpen Access

Enhancing the Structural, Morphology, and Photoluminescence Properties of TiO2 Synthesized via the Sol–Gel Method

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Research demonstrates structural and photoluminescence changes in titanium dioxide nanoparticles, suggesting significant temperature effects.

TiO2 nanoparticles exhibited changing structural properties, showing a mix of anatase and rutile phases due to varying annealing temperatures.
Photoluminescence intensity peaked at 1200°C, indicating a direct correlation between annealing temperature and optical properties in TiO2.
X-ray diffraction revealed crystallite size growth from 3.183 nm to 35.328 nm with decreased macrostrain as annealing temperature increased.
Morphology analysis via scanning electron microscopy displayed spherical TiO2 nanoparticles and irregular structures at high temperatures.

Rasilingwani et al. (2025) studied this question.

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Research demonstrates structural and photoluminescence changes in titanium dioxide nanoparticles, suggesting significant temperature effects.