Dr. Vishab Kesarwani

Area of Interest

Luminescence Spectroscopy, Photonic glasses, Phosphors, quantum dots

Work experience

From 28 March 2024 to 27 March 2025

• 01 Years – Post doctoral research experience in Solid State and Structural Chemistry Unit, IISc Bangalore, Karnataka, India

Research and Publications

Journal Articles:

• Kesarwani, V., & Rai, V. K. (2022). Optical thermometry and broad infrared luminescence in highly sensitized TBO glass. Optics & Laser Technology, 146, 107535.
• Kesarwani, V., & Rai, V. K. (2022). Fluorescence intensity ratio technique and its reliability. Methods and Applications in Fluorescence, 10(3), 034006.
• Kesarwani, V., & Rai, V. K. (2022). Non-contact optical thermometry via non-thermally coupled levels in upconverting glass. Journal of Applied Physics, 132(11), 113102.
• Kesarwani, V., & Rai, V. K. (2023). Impact of AgNPs on the optical thermometry and stability of bismuth modified tellurium-tungstate upconverting glass. Journal of Non-Crystalline Solids, 603, 122129.
• Krishna, K. M., Upadhyay, M. M., Kesarwani, V., & Kumar, K. (2023). Blue frequency upconversion emission and optical thermometry of Ca₃(PO₄)₂: Tm³⁺/Yb³⁺. Optik, 273, 170477.
• Prasad, M., Kesarwani, V., & Rai, V. K. (2023). Strategies for designing low thermal quenching upconverting temperature sensors. RSC Advances, 13,
• Kesarwani, V., & Rai, V. K. (2023) Effect of adding TiO₂ as modifier on the optical thermometric ability of tellurium-tungstate glass. Materials Research Bulletin, 167,
• Tomar, S., Mishra, N. K., Kesarwani, V., Rai, V. K., Kumar, K., & Shivakumara, C. (2024). Dual-Mode Light Emission and Dynamic Studies of Er³⁺/Yb³⁺-Doped NaLa (MoO₄)₂ Phosphor for Optical Thermometry Operating from Cryogenic to above Room Temperatures. ACS Applied Optical Materials, 2, 1965-1984.

Book Chapters:

• Kesarwani, V., & Rai, V. K. (2022). Upconverting Nanoparticles in the Detection of Fungicides and Plant Viruses. Upconverting Nanoparticles: From Fundamentals to Applications, 493-516.
• Ranjan, S. K., Pattnaik, S., Kesarwani, V., & Rai, V. K. (2022). Fundamental Aspects of Upconverting Nanoparticles (UCNPs) Based on Their Properties. Upconverting Nanoparticles: From Fundamentals to Applications, 117-140.
• Kesarwani, V., & Rai, V. K. (2023). Upconversion Luminescence Sensitized pH Nanoprobes. Upconversion Nanoparticles (UCNPs) for Functional Applications, 245-274.

Conference Proceedings:

• Kesarwani, V., & Rai, V. K. (2024, January). Effect of introducing ZrO2 on the upconversion emission of tellurium tungstate glass. In AIP Conference Proceedings(Vol. 2995, No. 1). AIP Publishing. 

Workshops Attended

• Two-day workshop on ‘Strengthening Career Prospects with Communication and Presentation Skills’ under TEQIP-III, organized by Department of Humanities and Social Sciences, IIT(ISM) Dhanbad, from 19th to 20th October 2019.

• Online one-week national workshop on ‘Advanced Physical Tools and Techniques for Materials Characterization’ organized by Department of Physics, Mahatma Gandhi Central University, Motihari-845401, Bihar, India, from 28th July to 3rd August, 2020.

• One day national webinar on ‘Thermoplastic Composites for sustainable Future – Opportunities with Recycling, Repair and Reuse’ organized by Department of Chemistry, Synergy Institute of Technology, Bhubaneshwar, Odisha, India, on 10th August, 2020.

• Webinar on ‘Evolution of Quantum Theory by Prof. Ajoy Ghatak’, organized by Department of Pure and Applied Physics, Guru Ghasidas Central University, Bilaspur, Chhattisgarh, India, on 11th September, 2020.

• Online workshop on ‘Rietveld Refinement Method’, organized by UGC-DAE Consortium for Scientific Research, Mumbai Centre, Mumbai, Maharashtra, India, from 22nd to 24th September, 2020. 

Conferences Attended

• Kesarwani, V., & Rai, V. K. (2022). “Effect of introducing ZrO2 on the upconversion emission of tellurium-tungstate glass.” 66th DAE Solid State Physics Symposium, organized by Bhabha Atomic Research Centre, at BIT Mesra, Ranchi, Jharkhand, from 18th to 22nd December, 2022.

• Kesarwani, V., & Rai, V. K. (2023). “Upconversion and CIE colour coordinate study of 980 nm excited Er³⁺ doped molybdate based phosphor.” International Conference on Recent Trends in Materials Science & Devices 2023, organized by Research Plateau Publishers & G. A. V. Degree College, Patauda, Jhajjar, Haryana, India, from 22nd to 23rd July, 2023.