Vijoy K. V. | Honey John Research Group

Dr. Vijoy K. V.

Junior Research Fellow

Biography

Vijoy K. V. is currently working as a Post-Doctoral Fellow at the Inter University Centre for Nanomaterials and Devices (IUCND) under the supervision of Prof. Honey John, where he focuses on device fabrication and characterization.

He completed his Ph.D. on the topic "Engineering Flexible Elastomeric-Based Triboelectric Nanogenerators for Self-Powered Sensing and Tribotronic Applications." Under the guidance of Dr. Saji K J and Prof. Honey John. During his research, he designed and fabricated several high-performance triboelectric impact sensors aimed at applications in sports technology, home security, road safety, Healthcare, and wearable tactile sensing. He also has expertise in Polymer fabrication, nanomaterials synthesis, COMSOL Multiphysics simulations, LabVIEW and Python

His research interests include polymer film fabrication, 2D film fabrication, Thin film transistor, triboelectric energy harvesting, soft electronics, and sustainable material development for wearable, self-powered sensing systems and tribotronics etc. His hands-on experience also includes RF magnetron sputtering, thermal evaporation, data acquisition and processing, integration with microcontrollers (Arduino), IoT integration, and electrospinning.

You can view Vijoy's complete publication record on Google Scholar Link and Linkedin Profile

Achievements

1	Gate 2017 qualified
2	MNRE-NREF Fellow (JRF :2021-2023, SRF: 2023-2024)
3	2 Indian Patents for energy harvesting devices

Awards

1	Young Scientist Award for best oral presentation in 37th Kerala Science Congress held at Kerala Agricultural University, Mannuthy 2025.
2	Distinguished Researcher Award 2023 from Cochin University of Science and Technology.
3	Best Research Scholar Award 2023 from International School of Photonics.

Experience

1	IUCND Project Associate (03/2025 – 06/2025)
2	DST-SERB project Junior research Fellow at International school of Photonics (05/2019-03/2021)
3	STRAIVE Subject Matter Expert in Physics (04/2018-05/2019)

Patents

1	'Graphene Oxide - Conducting Polymer Nanohybrid Based polydimethylsiloxane Composite andProcess For preparation Thereof’, received Indian Patent (Patent No. 569569 dated 05/08/2025).
2	‘Reduced Graphene Oxide - Conducting Polymer – Process for preparation Thereof, and EnergyHarvester’, received Indian Patent (Patent No. 397451 dated 24/05/2022 )

Publications

1	High-Performance Latex-Compounded Nitrile Rubber for Self-Powered Intelligent TrafficMonitoring with Advanced Signal Conditioning K. V. Vijoy, Sherin Joseph, Honey John, and K. J. Saji., *(ACS Applied Engineering Materials 2024, 2 (11), 2608-2618.)* View the Article
2	Synergetic effect of interfacial polarization in room temperature cured PDMS-Graphite compositefor triboelectric smart mat applications K. V. Vijoy, Honey John, and K.J. Saji., *(Sustainable Energy Technologies and Assessments 2023,58, 103349.)* View the Article
3	Self-powered ultra-sensitive millijoule impact sensor using room temperature cured PDMS based triboelectric nanogenerator K. V. Vijoy, Honey John, and K. J. Saji., *(Microelectronic Engineering 2022,251, 111664.)* View the Article
4	Surface Area Enhanced Nylon-6,6 Nanofiber Engineered Triboelectric Nanogenerator for Self-Powered Seat Monitoring Applications Dhanu T. M., K. V. Vijoy, Nabendu V. N., Narayanapillai Manoj, K. J. Saji, S. C. Pillai, and Honey John., (ACS Sustainable Chemistry & Engineering 2022, 10 (43), 14126-14135.) (Note: this article is selected as the "Front Cover") View the Article
5	Triboelectric smart shoes for real time position detection Mathew Sunil, E. J Jelmy, K. V. Vijoy, K. J. Saji, and Honey John., *(Sensors and Actuators A: Physical 2023, 363, 114730.)* View the Article
6	Harnessing Energy Through ZnO-Based Triboelectric Nanogenerator: A Comparative Analysis ofPolymer Materials, with Emphasis on PVDF Nanofibers P. Hajara, M. R. Shijeesh, K. V. Vijoy, T. Priya Rose, and K. J. Saji., *(Journal of Electronic Materials 2024, 53 (9), 5617-5628.)* View the Article
7	Enhanced triboelectric performance of graphene oxide-conducting polymer hybrid modified polydimethylsiloxane composites E.J. Jelmy, Divya Jose, K.V. Vijoy, K.J. Saji, and Honey John., *(Mater. Adv. 2022, 3 (17), 6897-6907.)* View the Article
8	Enhanced Mechanical Energy Harvesting in Triboelectric Nanogenerator by the Reinforcement ofPolypyrrole-Decorated rGO Sheets in PDMS E. J. Jelmy, Divya Jose, K.V. Vijoy, Saji K. J., and Honey John., *(Adv. Eng. Mater. 2023, 25 (13), 2201789.)* View the Article
9	Effects of metal nanoparticles on the performance of PDMS based triboelectric nanogenerators Lazar K. Anlin, K. V. Vijoy, K. Pradeesh, Shibi Thomas, Honey John, and K. J. Saji., *(Physica B: Condensed Matter 2022, 639, 413952.)* View the Article
10	Vertically integrated triboelectric nanogenerators using PDMS/LSCO composite K Anlin Lazar, K.V. Vijoy, Tony Joseph, Honey John, and K.J. Saji., *(Materials Science Engineering: B 2023, 292, 116388.)* View the Article
11	Emulating synaptic plasticity with PDMS-Graphite composite memristor P. Praveen, K. V. Vijoy, Honey John, and K. J. Saji., *(Materials Letters 2022, 326, 132934.)* View the Article
12	Electrochemical Metallization in Pdms-Graphite Composite-Based Neuromorphic Memristor Praveen, P.; Vijoy, K. V..Saji, K. J., *(Materials Today: Proceedings 2023)* View the Article
13	Electrode materials for stretchable triboelectric nanogenerator in wearable electronics Irthasa Aazem, Dhanu Treasa Mathew, Sithara Radhakrishnan, K.V. Vijoy, Honey John, Daniel M Mulvihill, and Suresh C.Pillai., *( RSC Advances 2022, 12 (17), 10545-10572.)* View the Article
14	A comparative study on impregnation of silver and aluminium nanoparticles into PDMS matrix: Dielectric property tailoring for improving the output performance of triboelectric nanogenerators K Anlin Lazar, K.V. Vijoy, Shibi Thomas, K Pradeesh, Honey John, and K.J. Saji., *(AIP Conference Proceedings, AIP Publishing: 2023.)* View the Article
15	Enhancing the triboelectric performance of flexible PDMS/boron nitride composite nanogenerators K.V. Vijoy, K Anlin Lazar, Honey John, and K.J. Saji., *(AIP Conference Proceedings, AIP Publishing: 2023.)* View the Article
16	Large scale deposition of two-dimensional tungsten disulfide films using radio frequency magnetron sputtering V.J. Rigi, K Anlin Lazar, P. Hajara, P. Praveen, K.V. Vijoy, and K. J. Saji, *(AIP Conference Proceedings, AIP Publishing: 2023.)* View the Article

International/National Conferences/Seminars

1	Integrating Nitrile RubberBased Triboelectric Nanogenerators With Transistors for Tactile SensingApplications (Oral presentation) (Best oral presentation award) K. V. Vijoy, M.R. Shijeesh, Sherin Joseph, Honey John, and K. J. Saji*. Kerala Science Congress 2025, Kerala Agriculture University, Mannuthi, India.
2	Comparative Analysis of Dry and Latex-Compounded NBR for Enhanced Triboelectric Performance in Tribotronic Applications(Oral presentation) K V Vijoy, Sherin Joseph, Shijeesh M R, Honey John, Saji K.J. (International Symposium on Innovative Materials for Energy and Environment (IMEE-2024), IUCND,CUSAT from December 11-13, 2024.)
3	Investigating Mechanical Energy Harvesting Performance of PDMS-Graphite CompositeBased Triboelectric Nanogenerator (Oral presentation) K V Vijoy, Honey John, and K. J. Saji* (International conference on material science, BMC Thrikkakara on 10th January 2023.)
4	Enhancing the triboelectric performance offlexible PDMS/Boron nitride composite nanogenerators (Oral presentation) K. V. Vijoy, Anlin Lazar K., Honey John, K. J. Saji, (International Conference NANOicon 2022, IUCND, CUSAT)
5	Effect of Frequency and Thickness in thePerformance of Polydimethylsiloxane Based Triboelectric Nanogenerators (Oral presentation) K V Vijoy, Mathew Sunil, Honey John, Saji K.J. (International conference on advances in polymer technology (APT) 2021, Department of polymer science and rubbertechnology, CUSAT, May 27-29, 2021.)
6	Selective participant of first science slam conducted by Kerala Shastra Sahitya Parishath and LUCA(science portal) at CUSAT on Novmber 9, 2024