Areas of Current Research Interest:

1. Luminescence Study:Fluorescence study of different rare-earth doped nanoparticles. Study of dependence of concentration, pH and annealing temperature on luminescence.
2. Nanopowders Preparation: Preparation of nanopowder using various techniques such as combustion method, co precipitation, hydrothermal synthesis, solid state reaction method.
3. Thin film Preparation: Preparation of thin film using spin-coating, dip-coating, spray pyrolysis, sputtering and pulsed laser deposition technique.
4. Preparation of Colloids: Production of oxide phosphor- based luminescent colloid. Colloid luminescence of LaPO4:Ce, Tb and LaPO4:Eu in ionic liquid synthesised by a microwave induced method.Other kinds of luminescence colloids were also studied such as colloidal silicon nanocrystals prepared by nanoseconds laser fragmentation and laserablation in water.
5. Preparation of Silver Nanoparticles: Development of novel approach for thegreen synthesis of silver nanoparticles using aqueous leaves extracts of various medicinal plants.

Contributions to Teaching:

1. December 2015 onwards (continuing) at Department of Physics, Kannur University as Assistant Professor.Handling Post Graduate classes including Laboratory work and Projects
2. February 2011-Deember 2015 at Department of Physics, MES College, Nedumkandam as Assistant Professor.Handling UG and PG classes including Laboratory work and Projects
3. August 2010-February 2011 at Govt. College for Women, Thiruvananthapuram as Assistant Professor on contract (FIP).
4. Former Member PG Board of Studies Mahatma Gandhi University, Kottayam
5. Chairman and Member for examination board in many Universities in Kerala.
6. Former Member, SCERT Syllabus revision committee and expert member in text book revision panel.
7. Expert member various national level entrance test expert panel  

• Nanophosphors for white light LEDs

Sponsoring agency: UGC

Project amount : 10 lakhs

Status : Completed

• Tuning of photoluminescence properties of Y 2 O 3 :RE 3+ thin film nanophosphors for near- UV WLEDs

Sponsoring agency: Govt. of Kerala

Project amount : 04 lakhs

Status : Completed

Research Guidance:

Full time scholars: 03

Part time scholars: 01

h index: 9

i10 index: 9

No. of citation received: 570

One research article received 362 citations since 2008.

List of Publications:

1. UV Excited Intense Red Emitting Gd2‑x‑yEuxO3:yY3+ Nanophosphors with High Thermal Stability for pc‑LED Applications Fairoosa K. K · Veena V. P. Shilpa C. K. Jasira S. V. Nissamudeen K. M; Brazilian Journal of Physics (2024) 54:153; https://doi.org/10.1007/s13538-024-01542-7 (2024)
2. Multimodal responsive Dy3+, Li+ activated Gd2MgTiO6 phosphors for ideal wLED, potent anti-counterfeiting, fingerprint visualization, and encryption coding V.P. Veena, S.V. Sajith, A.M. Huda Thasneem, M. Aardhra, C.K. Shilpa, S.V. Jasira, K. M. Nissamudeen; Materials Science in Semiconductor Processing 179 108497 https://doi.org/10.1016/j.mssp.2024.108497 (2024)
3. Optimizing the White Light Emission of Pr3+ Activated SrCeO3 Perovskite by Controlling the Excitation Wavelength for High CRI wLED Applications C. K. Shilpa · M. V. Abin Prasanth· S. V. Jasira V. P. Veena K. M. Nissamudeen Journal of Fluorescence https://doi.org/10.1007/s10895-024-03651-7 (2024)
4. Profound investigation on bidirectional luminescence of Dy3+ activated BaCeO3 perovskite for enhanced solar cell performance Jasira S．V．Adithyan K. Veena V．P． Shilpa C．K Greeshma K． NissamudeenK．M．Chemical Physics Impact 8 - 100520 https://doi.org/10.1016/j.chphi.2024.100520 (2024)
5. Green, affordable, and unprecedented photoluminescence investigation on white emission of Y2O3: Clitoria ternatea floral extract complex to replace conventional Dy3+ doping for wLED V. P. Veena · Namitha Mohan · T. Sruthi K. M. Nissamudeen Applied Nanoscience https://doi.org/10.1007/s13204- 024-03043-0 (2024)
6. Unveiling the luminescence property of Pr-incorporated barium cerate perovskites for white LED applications S V Jasira, V P Veena, C K Shilpa, Huda Thasneem, K M Nissamudeen; Zeitschrift für Naturforschung A - https://doi.org/10.1515/zna-2023-0304 (2024)
7. Photometric study on excitation tailored cyan to white color conversion in SrCeO3: Dy3+ for wLEDs, latent fingerprint, and security ink applications; Shilpa C.K. Jasira S.V., Veena V.P., Abhishek B., Nissamudeen K.M. Materials Today Communications 38 - 107954 https://doi.org/10.1016/j.mtcomm.2023.107954 (2024)
8. Photoluminescence upgradation of La2MgTiO6:2%Dy3+ perovskite with monovalent (Li+), divalent (Ba2+, Sr2+) and trivalent (Bi3+, Sm3+) cation sensitization V.P. Veena, K. Arun, C.K. Shilpa, S.V. Jasira, K.M. Nissamudeen; Journal of Rare Earths--- --- https://doi.org/10.1016/j.jre.2023.12.013 (2023)
9. Photoluminescence upgradation of La2MgTiO6:2%Dy3+ perovskite with monovalent (Li+), divalent (Ba2+, Sr2+) and trivalent (Bi3+, Sm3+) cation sensitization V.P. Veena, K. Arun, C.K. Shilpa, S.V. Jasira, K.M. Nissamudeen; Journal of Rare Earths--- ---https://doi.org/10.1016/j.jre.2023.12.013 (2023) V. Jasira, V. P. Veena, and K. M. Nissamudeen; Journal of Metals, Materials and Minerals, 33(4), 1752, https://doi.org/10.55713/jmmm.v33i4.1752 (2023)
10. Robust white light emission of UV umped SrCeO3:xSm3+ perovskites for wLEDs; C K Shilpa, S V Jasira, V P Veena, P Umadevi, K M Nissamudeen; Zeitschrift für Naturforschung A --- 0145 https://doi.org/10.1515/zna-2023- 0145 (2023)
11. The influence of lithium ion incorporation on the luminescence enhancement of Gd2O3:Pr3+ nanophosphors for lighting applications; Fairoosa K K; Nissamudeen K M; Optik; 274-170536 https://doi.org/10.1016/j.ijleo.2023.170536 (2023)
12. The synthesis and characterization of Dy3+-doped gadolinium oxide phosphors for white light applications; Fairoosa K K, Nissamudeen K M; AIP Conference proceedings; 2783 – 02008; https://doi.org/10.1063/5.0158592 (2023)
13. Study on structural and photoluminescence property of SrCeO 3 and SrCe 0.98 Sm 0.02 O 3 perovskites; C K Shilpa, S V Jasira, V P Veena, K M Nissamudeen; Materials today: Proceedings; -- https://doi.org/10.1016/j.matpr.2023.09.057 (2023)
14. Anti-counterfeiting and multifunctional applications of near white emitting La 1.99 MgTiO 6 : Dy perovskite nano phosphors; Veena V P, Shilpa C K, Jasira S V, Nissamudeen K M; Materials today communications; 37 (2023) 106968 https://doi.org/10.1016/j.mtcomm.2023.106968 The role of Sm 3+ energy transfer on white emission of La 1.98 Dy 0.02 MgTiO 6 double perovskite Nano phosphors for Endoscopy and Laparoscopy LEDs; Veena V P, Shilpa C K, Jasira S V, Nissamudeen K M; Journal of biomedical Photonics and engineering; -- (2023) 7649 https://doi.org/10.18287/JBPE23.09.030307
15. Amber light emitting samarium incorporated barium cerate perovskite with 100% color purity for pharmaceutical industry; Jasira S V, Veena V P, Shilpa C K, Abhijith K, Nissamudeen K M; Journal of Fluorescence; https://doi.org/10.1007/s10895-023-03370-5 - (2023)
16. Spectroscopic investigation of samarium incorporated barium cerate nano perovskites; S. V. Jasira, V P Veena, C K Shilpa, K M Nissamudeen; Materials today: Proceedings; -- ttps://doi.org/10.1016/j.matpr.2023.06.273 (2023)
17. Assessing the improved luminescence of SrCe1-xSmxO3 perovskite by concentration controlled extra oxidizer substitution; C K Shilpa, S V Jasira, V P Veena, K M Nissamudeen; Materials today: Proceedings; -https://doi.org/10.1016/j.matpr.2023.04.606 (2023)
18. Adroit low-temperature synthesis and origin of blue–yellow–red emission in activated La2-xDyxMgTiO6 novel perovskite phosphor for WLED; V. P. Veena, C K Shilpa, S V Jasira, K Vini, K M Nissamudeen; Journal of Materials Science: Materials in Electronics; 34 -870- https://doi.org/10.1007/s10854-023-10262-8 (2023)
19. Barium cerate and its composite perovskites – synthesis techniques: a comprehensive review; S. V. Jasira, V P Veena, C K Shilpa, K M Nissamudeen; The European Physical Journal Applied Physics (EPJ AP); 98: 21 https://doi.org/10.1051/epjap/2023220259 (2023)
20. The upshot of Li+ co-doping on white emission of La1.98Dy0.02MgTiO6 double perovskite nano phosphors; V P Veena, N Akshaya, C K Shilpa, S V Jasira, K M Nissamudeen; Materials today: Proceedings; - https://doi.org/10.1016/j.matpr.2023.03.307 (2023)
21. Unprecedented investigation on luminescence property of proton conductive samarium incorporated barium cerate nanoparticles; S V Jasira, C K Shilpa, V P Veena, K M Nissamudeen; Materials today: Proceedings; - https://doi.org/10.1016/j.matpr.2023.03.050 (2023)
22. Modern era of double perovskite nano-phosphors: La2MgTiO6, Gd2MgTiO6 and Y2MgTiO6 – a brief review; V P Veena, C K Shilpa, S V Jasira, K M Nissamudeen; Zeitschrift für Naturforschung A –0099 https://doi.org/10.1515/zna-2022-0099 (2022)
23. The Role of Bismuth on the Best Red Light Emitting Nanophosphors; Vini K, H Padmakumar, K M Nissamudeen; International Journal of Recent Technology and Engineering; 09 - 55 https://doi.org/ 10.35940/ijrte.F5362.039621 (2021)
24. Luminescence Study of Red Light Emitting Y2O3:Sm3+ Nanophosphors and Enhancement by Co-doping with Gadolinium oxide; Vini K, H Padmakumar, K M Nissamudeen; International Journal of Recent Technology and Engineering; 09- 60 https://doi.org/ 10.35940/ijrte.F5363.039621 (2021)