Sol-gel Synthesis of Titania Nanoparticles for Photonic and Transformer Applications
| Authors | Venkatesh Yepuri, Addala Satyanarayana, Palikela Ramachandramurthy |
| Affiliations |
Department of Electrical and Electronics Engineering, Swarnandhra College of Engineering and Technology, Narsapur, 534280 Andhra Pradesh, India |
| Е-mail | venkatesh.yepuri555@gmail.com |
| Issue | Volume 15, Year 2023, Number 3 |
| Dates | Received 15 April 2023; revised manuscript received 25 June 2023; published online 30 June 2023 |
| Citation | Venkatesh Yepuri, Addala Satyanarayana, Palikela Ramachandramurthy, J. Nano- Electron. Phys. 15 No 3, 03025 (2023) |
| DOI | https://doi.org/10.21272/jnep.15(3).03025 |
| PACS Number(s) | 61.46.Df, 81.20.Fw |
| Keywords | Sol-gel synthesis, Titania nanoparticles, XRD (92) , FTIR (30) , FESEM (8) , UV-VIS (10) , Transformer applications. |
| Annotation |
Titania nanoparticles have several industrial applications, including cosmetics, optical, photonic, and electrical devices. However, industrial production of these particles is difficult, complicated, and dependent on a variety of physical characteristics such as temperature and infrastructure availability. This research describes an instant industrial method for producing titania nanoparticles using a wet chemical sol-gel synthesis. X-ray diffractogram (XRD) and Fourier transform infrared spectroscopy (FTIR) analysis of as-synthesized titania nanoparticles revealed a strong diffraction peak at Bragg angle 25, which can be attributed to the titania anatase phase, and vibration bonds at 463 cm – 1, which confirms the presence of titania. The morphology of these titania nanoparticles was examined using a field emission scanning electron microscope (FESEM), which determined the particle size to be around 37 nm. Using diffuse reflectance spectroscopy (DRS), the optical properties of the as-synthesized nanoparticles were studied, and their band gap was determined to be 3.37 eV. At room temperature, the dielectric constant and loss of titania nanoparticles were measured as a function of frequency. Additionally, titania particles were mixed into transformer oil to assess its dielectric breakdown strength for better insulating properties. |
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List of References |
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