PROFILE

Dr. Renuka Bokolia is an Assistant Professor in the Department of Applied Physics at Delhi Technological University (DTU), Delhi. She completed her B.Sc. (Hons.) in Physics from Kirori Mal College, University of Delhi, followed by an M.Sc. in Physics with specialization in Laser and Spectroscopy from the Department of Physics and Astrophysics, University of Delhi. She earned her Ph.D. in 2018 under the supervision of Prof. K. Sreenivas at the same department. Her research interests span upconversion photoluminescence phosphors, ferroelectric ceramics, multiferroics, and magnetic materials, with applications in bio-imaging, 3D displays, solid-state lasers, and luminescence thermometry. She has published 42 research papers in reputed international journals and conferences. Dr. Bokolia has guided numerous B.Tech, M.Tech, and M.Sc. students, successfully supervised two Ph.D. scholars, and is currently mentoring five more. She remains committed to advancing experimental research and material characterization.

Educational Qualificatiions

2013 -2018

 Doctor of Philosophy (Ph.D) from Department of Physics & Astrophysics, University of Delhi, India  

Thesis title: “Upconversion luminescence and temperature sensing of Er 3+ /Yb 3+ /W 6+ doped Bi4Ti3O12 ferroelectric ceramics”
 

2009 -2011

M.Sc. (Physics) with specialization in Laser and Spectroscopy,Department of Physics and Astrophysics, Delhi University, India.

2006-2009

 

  B.Sc. (Hons.) Physics, Kirori Mal College, University of Delhi 

PREVIOUS POSITIONS/ EXPERIENCE

February 2017- Till date          :  Assistant Professor, Department of Applied Physics, Delhi Technological University (DTU), Delhi, INDIA

August 2016 - February 2017  :  Assistant Professor, Department of Physics, Miranda House,University of Delhi, INDIA

 

TEACHING (COURSES TAUGHT)

  • Classical Mechanics
  •  Physics- I
  •  Physics- II
  • Atomic and Molecular Physics
  • Thermal Physics

MEMBERSHIPS

Membership in Scientific Societies:

  • Life Member - The Indian Science Congress Association (ISCA)-2020
  • Life Member - The Indian Association of Physics Teachers (IAPT)-2020
  • Life Member - Electron Microscope Soceity of India (EMSI)-2020
  • Life Member - Materials Research Society of India (MRSI) -2020

PUBLICATIONS

  1. Narwan, M., Rana, S., Singh, B., Verma, M., Bala, M., & Bokolia, R. (2025). Fabrication of flexible thin film for energy harvesting application based on Bi?.?Na?.?TiO? nanopowders. Ceramics International. online publication. Impact Factor: 5.6.
  2. Narwan, M., Banwal, A., Kumar, B., Verma, M., Shandilya, A., Rai, V. K., Sharma, R., & Bokolia, R. (2025). Ho³?-driven novel orange emission and enhanced energy storage in lead-free Bi?.?Na?.?TiO? ceramics. Ceramics International, 51(26A), 48110–48121. Impact Factor: 5.6.
  3. Sahoo, S., Bokolia, R., Sharma, S. N., & Rao, A. S. (2025). Structural and spectroscopic insights of solid-state-synthesised Er³?-doped CaYW phosphor for next-generation optoelectronic applications. Journal of Electronic Materials. Advance online publication, 1–13. Impact Factor: 2.5
  4. Shahni, S., Bokolia, R., Singh, S. P., Gupta, A. K., Sreenivas, K., Piplani, N., & Shukla, A. K. (2025). Ferroelectric phase transition in polymorphic Cd-doped barium calcium zirconate titanate (BCZT) ceramics. Ceramics International, 51(24A), 41251–41263. Impact Factor: 5.6.
  5. Rana, S., Sharma, H., Bokolia, R., Bhatt, K., Singh, R., Meena, R., & Singh, B. (2025). PVDF/N-rGO nanofibers based sustainable triboelectric nanogenerator for self-powered wireless motion sensor. Carbon, 234, 119926. Impact Factor: 11.6
  6. Sherawat, V., Kalra, Y., Bokolia, R., & Sinha, R. K. (2025). Temperature-dependent coupling characteristics in a silicon photonic crystal waveguide coupler. Optics Communications, 586, 131875. Impact Factor: 2.5.
  7. Chole, N., Patel, A., Mittal, M., Saho, P., Asthania, M., Marandi, V., Kumar, A., Das, B., Rawal, D. S., Bokolia, R., & Thakur, O. P. (2025). Classifications of dislocations in 4H-SiC wafer by confocal laser scanning microscopy. Integrated Ferroelectrics, 241(4–6), 360–367. Impact Factor: 0.7
  8. Narwan M., Sharma R., Bokolia R. (2024). Optical temperature sensing and upconversion luminescence in Er3+/Yb3+ co-doped BNT ferroelectric ceramic. Applied Physics A. 130, 854. Impact Factor: 2.8
  9. Basith A., Singh S., Banwal A., Narwan M., Verma M., Bokolia R. (2024). Regulating novel tunable green to red upconversion luminescence in Er3+/Yb3+ co-doped SrBi2Nb2O9 ferroelectric ceramic. Ceramics International. 50, (24) A, 52344-52355. Impact Factor: 5.6
  10. Varshney M., Soni S., Banwal A., Narwan M., Verma M., Bokolia R. (2024). Effect of Er3+ ion incorporation on the structural, photoluminescence, and ferroelectric properties of K0.5Na0.5NbO3 ceramic for optoelectronic applications. Applied Physics A. 130, 267. Impact Factor: 2.8
  11. Sherawat V., Sinha R. K., Bokolia R. (2024). Pressure-dependent bandgap characteristics in photonic crystals with sensing applications. Journal of Optics. 26 (8), 085004. Impact Factor: 2.7(certificate only)
  12. Banwal A., Kumar B., Verma M., Shandilya A., Singh B., Bokolia R. (2024). Improved Optical Characteristics in BaBi2Nb2O9 Ferroelectric Ceramic Infused with Transition Metal Ion (W6+) and Rare Earth Ions (Er3+/Yb3+). Journal of Luminescence. 275, 120809. Impact Factor: 3.6 
  13. Banwal A., Verma M., Singh B., Bokolia R. (2024). Temperature stability and improved energy storage efficiency of BaBi2Nb2O9: Er/Yb relaxor ferroelectric ceramic under moderate electric fields. Applied Physics A. 130, 334. Impact Factor: 2.8 
  14. Sangwan S., Meena R., Bokolia R., Vinod Singh, Deshraj Meena (2024). Exploration of structural and dielectric properties of orthorhombic Ta2O5 nanoplatelets towards the potential optoelectronic devices. Materials Today Communications. 38, 108468. Impact Factor: 3.7 
  15. Narwan M., Banwal A., Sharma R., Bokolia R. (2024). Non-invasive thermal sensing and improved recoverable energy storage density of Bi0.5Na0.5TiO3: Er3+ doped multifunctional ferroelectric ceramic. Journal of Luminescence. 265, 120236. Impact Factor: 3.6 
  16. Singh V., Rana S., Bokolia R., Panwar A. K., Meena R., Singh B. (2024). Electrospun PVDF-MoSe2 nanofibers based hybrid triboelectric nanogenerator for self-powered water splitting system. Journal of Alloys and Compounds. 978, 173416. Impact Factor: 6.3 
  17. Sherawat, V., Bokolia, R., & Sinha, R. K. (2023). Studies on temperature-dependent bandgap and gap-to-midgap ratio in diamond lattice photonic crystal with biosensing applications. Optical Materials, 145, 114470. Impact Factor: 4.2
  18. Banwal, A., & Bokolia, R. (2023). Efficient tunable temperature sensitivity in thermally coupled levels of Er³?/Yb³? co-doped BaBi?Nb?O? ferroelectric ceramic. Journal of Luminescence, 263, 120071. Impact Factor: 3.6. 
  19. Banwal, A., & Bokolia, R. (2022). Thermometric sensing performance in Erbium-modified SrBi???Nb?Er?O? ferroelectric ceramic for optoelectronic devices. Ceramics International, 48(23), 34405–34414. Impact Factor: 5.6. 
  20. Banwal, A., & Bokolia, R. (2022). Enhanced upconversion luminescence and optical temperature sensing performance in Er³?-doped BaBi?Nb?O? ferroelectric ceramic. Ceramics International, 48(2), 2230–2240. Impact Factor: 5.6.
  21. Ansari, M. A., James, A. R., Zimik, K., Bokolia, R., Kundu, R. S., & Sreenivas, K. (2022). Effects of Er³? dopant on polymorphic phase boundaries and electrical properties of Sn??-modified Ba???Er?Sn?.??Ti?.??O? multifunctional ceramics. Applied Physics A: Materials Science and Processing, 128(11), 1000. Impact Factor: 2.90. 
  22. Sherawat, V., Bokolia, R., & Sinha, R. K. (2022). Impact of thermal and refractive index tuning on the bandgap and band-edges of a silicon photonic crystal waveguide with sensing applications. Optics Communications, 518, 128348. Impact Factor: 2.5
  23. Arti, Gupta, R., Bokolia, R., & Verma, V. (2021). Improvement in photovoltaic response of bismuth ferrite by tuning its ferroelectric and bandgap properties. Journal of Materials Science: Materials in Electronics, 32(2), 1570–1581. Impact Factor: 3.1
  24. Swami, R., Bokolia, R., & Sreenivas, K. (2020). Effects of sintering temperature on structural, electrical and ferroelectric properties of La?Ti?O? ceramics. Ceramics International, 46(17), 26790–26799. Impact Factor: 5.6.
  25. Mukhopadhyay, L., Rai, V. K., Bokolia, R., & Sreenivas, K. (2017). 980 nm excited Er³?/Yb³?/Li?/Ba²?: NaZnPO? upconverting phosphors in optical thermometry. Journal of Luminescence, 187, 368–377. Impact Factor: 3.6.
  26. Bokolia, R., Mondal, M., Rai, V. K., & Sreenivas, K. (2017). Enhanced infrared-to-visible up-conversion emission and temperature sensitivity in (Er³?, Yb³?, and W??) tri-doped Bi?Ti?O?? ferroelectric oxide. Journal of Applied Physics, 121(8), 084101. Impact Factor: 2.5.
  27. Bokolia, R., Thakur, O. P., Rai, V. K., Sharma, S. K., & Sreenivas, K. (2016). Electrical properties and light up-conversion effects in Bi?.??Er?.??Yb?.??Ti?–?W?O?? ferroelectric ceramics. Ceramics International, 42(5), 5718–5730. Impact Factor: 5.6.
  28. Bokolia, R., Thakur, O. P., Rai, V. K., Sharma, S. K., & Sreenivas, K. J. C. I. (2015). Dielectric, ferroelectric and photoluminescence properties of Er³?-doped Bi?Ti?O?? ferroelectric ceramics. Ceramics International, 41(4), 6055–6066. Impact Factor: 5.6.

BOOKS/BOOK CHAPTERS (IF ANY)

Book Chapters:

  • Manju Bala, Manoj Verma, Renuka Bokolia, Vivek Chopra, Health monitoring with wearable thermometers (Chapter -14) in the book titled Luminescent Thermometers  (Fundamentals, Materials and Applications) published by CRC Press (2024) pp. 287-307. (E-ISBN: 9781032661537)

PATENTS (IF ANY)

HONOURS AND AWARDS (IF ANY)

Honours and Awards:

  • Awarded Certificate of Recognition for Contributing  XRD patterns in Powder diffraction file PDF-5+ 2026 release by International Centre for Diffraction Data (ICDD) in 2025.
  • Commendable Research Award for Excellence in Research- Delhi Technological University, Delhi (For the last three consecutive years  2023, 2024 and 2025)
  • Awarded Rahiv Gandhi National Fellowship by University Grants Commission (UGC) in 2011.

SPONSORED/CONSULTANCY PROJECTS

Research Projects: 

  • Successfully Completed DTU Sponsored Research Project (?5?lakh), 2019–2022 on titled: “Up-conversion Luminescence in Photo-ferroelectrics"

START-UPS (IF ANY)

MOOC COURSES DEVELOPED (IF ANY)

PROFESSIONAL DEVELOPMENT

Doctoral Degree (Ph.D.) Awarded under my Supervision: 02

1.  Varnam Sherawat (2025) : "Modelling and Design of Application-Specific Photonic Crystal Waveguides and Devices".

2. Ankita Banwal (2023)       : “Upconversion Luminescence and Optical Temperature Sensing of Er 3+ /Yb 3+ /W 6+ Doped BaBi 2 Nb 2 O 9 Ferroelectric Ceramic”

ADVISEES

Key Administrative positions at DTU:

Coordinator, Internal Quality Assurance Cell, Delhi Technological University, Delhi (September 2025 to till date).

Co-Convener, Institution's Innovation Council (IIC), Delhi Technological University, Delhi (September 2024 to till date).

Significant Participation (Outside DTU)

Member for document Verification for one of the Panels, for the appointment of Fellows, Associate Fellows under Delhi Assembly Research Centre (DARC) Fellowship Programme (2022).

Master Trainer for General Elections held in February 2020 at Delhi.

ANY OTHER INFORMATION