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Dr. Lekshmi Vijayan

Assistant Professor (Level 11), Department of Electronics and Communication Engineering, School of Engineering, Amritapuri

Qualification: Ph.D
lekshmivijayan@am.amrita.edu
Research Interest: Wearable Sensors, Flexible Electronic Devices, Organic Semiconductors, Material science, Embedded Systems, VLSI Design

Bio Publications FDP / Workshops Awards
Bio

Dr. Lekshmi Vijayan is currently serving as an Assistant Professor in the School of Engineering at Amrita Vishwa Vidyapeetham, Amritapuri Campus, Kollam. She earned her Ph.D. in Electronics from Mahatma Gandhi University, Kottayam. She holds a Master’s degree in engineering with specialization in VLSI & Embedded Systems from Cochin University of Science & Technology and a Bachelor’s degree in Electronics & Communication Engineering from the University of Kerala.

Dr. Lekshmi Vijayan has published research articles in reputed peer-reviewed international journals and has received several Best Paper and Best Presentation awards in recognition of her scholarly contributions. Her primary research interests include wearable sensors, flexible electronic devices, organic thin-film phototransistors, material science, and embedded systems. She has over 10 years of teaching experience and five years of research experience, with significant contributions to academic instruction, research activities, and the advancement of knowledge in her field.

Publications

Journal Article

Year : 2026

Wearable sensors for real-time microclimate monitoring in plants

Cite this Research Publication : Vandana Ramakrishnan, Lekshmi Vijayan, Wearable sensors for real-time microclimate monitoring in plants, Sensors and Actuators A: Physical, Elsevier BV, 2026, https://doi.org/10.1016/j.sna.2026.117498

Publisher : Elsevier BV

Year : 2025

Electrochemical biosensors for urea detection: recent trends and future perspectives

Cite this Research Publication : Dev Thiyyadi, Vandana Ramakrishnan, Balakrishnan Shankar, Lekshmi Vijayan, Electrochemical biosensors for urea detection: recent trends and future perspectives, Microchemical Journal, Elsevier BV, 2025, https://doi.org/10.1016/j.microc.2025.115805

Publisher : Elsevier Inc

Year : 2019

Gate Dependent Tunable Photosensitivity of Copper Phthalocyanine based Organic Field Effect Transistors

Cite this Research Publication : Gate Dependent Tunable Photosensitivity of Copper Phthalocyanine based Organic Field Effect Transistors”, International Journal of Innovative Technology and Exploring Engineering (IJITEE), 2019, 8(10), 4687–4694

Publisher : International Journal of Innovative Technology and Exploring Engineering (IJITEE)

Year : 2019

Organic Field EffectTransistors using Cobalt Phthalocyaninefor Ultraviolet Sensor Applications

Cite this Research Publication : Organic Field EffectTransistors using Cobalt Phthalocyaninefor Ultraviolet Sensor Applications” SensorLett., 2019, 17(8), 619-624

Publisher : SensorLett

Year : 2018

Determination of Band Energy Levels of α-Quaterthiophene (α -4T) Thin Films from its Optical Absorption Spectrum

Cite this Research Publication : Determination of Band Energy Levels of α-Quaterthiophene (α -4T) Thin Films from its Optical Absorption Spectrum” IOSR Journal of Applied Physics (IOSR-JAP), 2018, 10(1): 41-44

Publisher : IOSR Journal of Applied Physics (IOSR-JAP)

Year : 2018

Low Power Organic Field Effect Transistors with Copper Phthalocyanine as Active Layer

Cite this Research Publication : Low Power Organic Field Effect Transistors with Copper Phthalocyanine as Active Layer”, J. Sci. Adv. Mater. Devices (JSAMD), 2018, 3, 348–352

Publisher : J. Sci. Adv. Mater. Devices (JSAMD)

Conference Proceedings

Year : 2026

Rover System for Casualty Assessment and Rescue Decision Support in Battlefield Environments

Cite this Research Publication : Sreerag C R, Nived G Unni, Aswathi H S, Krishnapriya V B, Aarathy R Babu, Lekshmi Vijayan, Rover System for Casualty Assessment and Rescue Decision Support in Battlefield Environments, 2026 7th International Conference on Electronics and Sustainable Communication Systems (ICESC), IEEE, 2026, https://doi.org/10.1109/icesc70182.2026.11687431

Publisher : IEEE

Year : 2026

Edge-AI based Real-Time Bearing Fault Diagnosis for Industrial Actuators using Lightweight Machine Learning Framework

Cite this Research Publication : Lekshmi V Pillai, Maddu Siri Varshini, Lekshmi Vijayan, Edge-AI based Real-Time Bearing Fault Diagnosis for Industrial Actuators using Lightweight Machine Learning Framework, 2026 7th International Conference on Electronics and Sustainable Communication Systems (ICESC), IEEE, 2026, https://doi.org/10.1109/icesc70182.2026.11687646

Publisher : IEEE

Year : 2025

AlpineShield: Advanced Smart Jacket for Mountaineer Safety

Cite this Research Publication : Pravin Kumar Sah, Amitha M Das, Lakshmi Jayan, Gaayathri R R, Lekshmi Vijayan, AlpineShield: Advanced Smart Jacket for Mountaineer Safety, 2025 International Conference on Inventive Computation Technologies (ICICT), IEEE, 2025, https://doi.org/10.1109/icict64420.2025.11004707

Publisher : IEEE

Year : 2025

Environmental Monitoring and Smart Automated Cleaning for Sustainable Dairy Farming

Cite this Research Publication : Teena S, Lekshmi V Pillai, Pravin Kumar Sah, Lekshmi Vijayan, Environmental Monitoring and Smart Automated Cleaning for Sustainable Dairy Farming, 2025 International Conference on Electrical, Communication, and Computing Technologies (iCONECCT), IEEE, 2025, https://doi.org/10.1109/iconecct67014.2025.11469947

Publisher : IEEE

Year : 2025

Automated Waste Segregation System with Conveyor Belt and AI-Driven Sorting

Cite this Research Publication : Abhiram B, Aaditya R Narayan, Sourabh S K, Shradha C Jayaram, Lekshmi Vijayan, Automated Waste Segregation System with Conveyor Belt and AI-Driven Sorting, 2025 9th International Conference on I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC), IEEE, 2025, https://doi.org/10.1109/i-smac65734.2025.11597851

Publisher : IEEE

Year : 2024

Head Gesture Controlled Wheelchair with Integrated Health Monitoring for Paralysis Patients

Cite this Research Publication : Pravin Kumar Sah, Chandra Harsha, Hemanth Dinesh, Nithin Ratkonda, Lekshmi Vijayan, Head Gesture Controlled Wheelchair with Integrated Health Monitoring for Paralysis Patients, 2024 8th International Conference on I-SMAC (IoT in Social, Mobile, Analytics and Cloud) (I-SMAC), IEEE, 2024, https://doi.org/10.1109/i-smac61858.2024.10714794

Publisher : IEEE

Conference Paper

Year : 2023

IOT Based Women Protection System

Cite this Research Publication : “IOT Based Women Protection System” International Conference on Multidisciplinary Research in Technology and Management (MRTM), Karnataka, India, 2023

Publisher : IEEE

Year : 2022

An Area Efficient Inductorless Wideband Low-Noise Amplifier

Cite this Research Publication : M. F. Roghay and L. Vijayan, "An Area Efficient Inductorless Wideband Low-Noise Amplifier," 2022 Fourth International Conference on Emerging Research in Electronics, Computer Science and Technology (ICERECT), Mandya, India, 2022, pp. 1-5, doi: 10.1109/ICERECT56837.2022.10060347.

Publisher : IEEE

Year : 2021

Effect of Annealing Temperature on Low Power Organic Field Effect Transistors with Cobalt Phthalocyanine as Active Layer

Cite this Research Publication : “Effect of Annealing Temperature on Low Power Organic Field Effect Transistors with Cobalt Phthalocyanine as Active Layer” Proceedings of 33rd Keralam Science Congress (KSC), 2021, Thiruvananthapuram, Keralam

Year : 2021

Influence of Intensity on Copper Phthalocyanine based Organic Phototransistors

Cite this Research Publication : Influence of Intensity on Copper Phthalocyanine based Organic Phototransistors” Mater. Today: Proc., 2021.

Publisher : Mater. Today: Proc.,

Year : 2020

Effect of Annealing Temperature on Photodetection of Copper Phthalocyanine based Organic Field Effect Transistors

Cite this Research Publication : “Effect of Annealing Temperature on Photodetection of Copper Phthalocyanine based Organic Field Effect Transistors” Proceedings of Virtual International Conference on Energy Environment and Health (VICEEH), 2020, Chengannur, Keralam.

Year : 2020

Fabrication and Characterization of Metal Phthalocyanine based Organic Phototransistors

Cite this Research Publication : “Fabrication and Characterization of Metal Phthalocyanine based Organic Phototransistors” Proceedings of International Online Conference on Recent Trends in Electrical, Electronics, Telecommunications, Instrumentation Engg., Medical Electronics & Physics (IC RTEETIMP), 2020, Bengaluru, Karnataka.

Year : 2019

Cobalt Phthalocyanine-based Organic Field Effect Transistors for Ultraviolet Sensor Applications

Cite this Research Publication : “Cobalt Phthalocyanine-based Organic Field Effect Transistors for Ultraviolet Sensor Applications” Proceedings of 31st Keralam Science Congress (KSC), 2019, 88, Kollam, Keralam

Year : 2019

Effect of Area on Optical Properties of Cobalt Phthalocyanine based Organic Field Effect Transistors

Cite this Research Publication : “Effect of Area on Optical Properties of Cobalt Phthalocyanine based Organic Field Effect Transistors” Proceedings of National conference on AdvancesinNanomaterials andNanotechnology (ANN), 2019, Tiruvalla, Keralam.

Year : 2019

Influence of Annealing Temperature on the Electrical Properties of Organic Field Effect Transistors

Cite this Research Publication : “Influence of Annealing Temperature on the Electrical Properties of Organic Field Effect Transistors” Proceedings of International conference on Advanced Innovation in Science, Engineering & Technology (ICAISET), 2019, Chengannur, Keralam.

Year : 2018

Organic Field Effect Transistor with Excellent Electrical Parameters Based on Copper Phthalocyanine

Cite this Research Publication : “Organic Field Effect Transistor with Excellent Electrical Parameters Based on Copper Phthalocyanine” Proceedings of 30th Keralam Science Congress (KSC), 2018, 145-146, Thalassery, Keralam.

Year : 2018

High Performance Organic Field Effect Transistor with Cobalt Phthalocyanine as Active Layer

Cite this Research Publication : “High Performance Organic Field Effect Transistor with Cobalt Phthalocyanine as Active Layer” Proceedings of 28th Swadeshi Science Congress (SSC), 2018, 40-41, CSIR-NIIST, Thiruvananthapuram, Keralam.

Year : 2017

Fabrication of Thermally Evaporated CoPc based OFET for Electronic Applications

Cite this Research Publication : “Fabrication of Thermally Evaporated CoPc based OFET for Electronic Applications” Proceedings of National Conference on Sustainable Emerging Intelligent Technologies (SEITCON), 2017, 26-28, Bengaluru, Karnataka.

Year : 2017

Optical Studies of Metal Substituted Phthalocyanine Thin Films

Cite this Research Publication : “Optical Studies of Metal Substituted Phthalocyanine Thin Films” Proceedings of 4th International Conference on New Frontiers of Engineering, Science, Management and Humanities (ICNFESMH), 2017, 419-422, Hyderabad, Telangana

Year : 2017

Optical and Morphological Studies of Copper Phthalocyanine Thin Films

Cite this Research Publication : “Optical and Morphological Studies of Copper Phthalocyanine Thin Films” Proceedings of International conference on Science, Technology & Management (ICSTM), 2017, 457-461, Bengaluru, Karnataka.

Year : 2016

A Review on Fabrication of Organic Field-Effect Transistors

Cite this Research Publication : “A Review on Fabrication of Organic Field-Effect Transistors” Proceedings of National Conference on Sustainable Emerging Intelligent Technologies (SEITCON), 2016, 45-48, Bengaluru, Karnataka.

Year : 2016

Fabrication of Thin Film Organic Field Effect Transistors

Cite this Research Publication : “Fabrication of Thin Film Organic Field Effect Transistors” Proceedings of National conference on Recent Advances in Control Strategies for Integration of Distributed Generation Sources to Grid and Control of their Power Quality Issues, 2016, 98-101, Bengaluru, Karnataka.

Year : 2016

A Review on Thin Film Deposition Techniques

Cite this Research Publication : “A Review on Thin Film Deposition Techniques” Proceedings of 4th National Conference on Innovation in Computing and Communication Technology (NCICCT), 2016, Namakkal, Tamilnadu

Year : 2014

Low Power and High Performance CMOS Circuits using Sleep Transistor Techniques

Cite this Research Publication : “Low Power and High Performance CMOS Circuits using Sleep Transistor Techniques” National Conference on Energy Conservation & Management (NATCON), 2014, Kollam, Keralam.

Year : 2013

Comparison and Application of Different Power Gating Techniques in Circuits using CMOS

Cite this Research Publication : “Comparison and Application of Different Power Gating Techniques in Circuits using CMOS” 6th National Conference on Recent Trends in Electronics World (RETREW’13), 2013, Kollam, Keralam

Year : 2013

Ground Bounce Noise Reduction Using Power Gating Techniques

Cite this Research Publication : “Ground Bounce Noise Reduction Using Power Gating Techniques” Proceedings of 4th International Conference on Advances in Computer, Communication & Management, 2013, Erachakulam, Tamilnadu

FDP / Workshops
  1. FDP on “Silicon to Intelligence: The Future of Semiconductor Design” (2026) at St. Thomas College of Engineering and Technology, Chengannur, Kerala.
  2. FDP on “Embedded System Design with STM32” (2026), organized by Amrita School of Engineering, Amrita Vishwa Vidyapeetham, Amritapuri, Kerala.
  3. ATAL FDP on “Organic Semiconductor Innovations: A Faculty Development Initiative” (2024), at Central University of Tamil Nadu.
  4. ATAL FDP on “Energy, Sustainability and Climate Resilience in the Modern World” (2024), at Vidya Academy of Science and Technology Technical Campus, Thiruvananthapuram, Kerala.
  5. ATAL FDP on “Recent Trends in VLSI Design Using Nanotechnology” (2024), at Meerut Institute of Engineering & Technology, Uttar Pradesh.
  6. Short Course on “Flexible Electronics” (2024) at National Centre for Flexible Electronics, Indian Institute of Technology (IIT), Kanpur with support from Ministry of Information and Technology, Government of India.
  7. FDP on “Exploring the Modern Circuits, Devices and Systems Designs in Nanotechnology” )(2024), organized by School of Electronics Engineering (SENSE), Vellore Institute of Technology (VIT), Chennai.
  8. Faculty development program on “Introduction to Innovative Research and Technical Writing” (2023), organized by Amrita Vishwa Vidyapeetham, Amritpuri, Kerala.
  9. INUP-i2i Familiarization Workshop on “Nanofabrication Technologies” (2023), held at IIT Madras, Chennai.
  10. Workshop on “VLSI to System Design: Silicon to End Application Approach” (2023), Organized by All India Council for Technical Education (AICTE), Arm Education and STMicroelectronics.
  11. Faculty development program on “Introduction to Outcome Based Education” (2023), organized by Amrita Vishwa Vidyapeetham, Amritpuri. Keral.
  12. Faculty development program on “How to Write a Good Research Proposal” (2023), organized by Amrita Vishwa Vidyapeetham, Amritpuri, Kerala.
  13. Faculty development program on “Introduction to Machine Learning and Datascience” (2023), organized by Amrita Vishwa Vidyapeetham, Amritpuri, Kerala.
  14. Teacher Professional Development course on “Active Teaching using Digital Educational Technology Tools” (2023), at Amrita Vishwa Vidyapeetham, Amritapuri, Kerala.
  15. Faculty development program on “Recent Trends in VLSI” (2022), organized by Amrita Vishwa Vidyapeetham, Amritpuri, Kerala.
  16. Workshop on “Cadence Tools Training” (2022), organized by Department of Electronics & Communication Engineering, Amrita School of Engineering, Amrita Vishwa Vidyapeetham,Kerala.
  17. FDP on “Printed and Flexible Electronics” (2022), organized by School of Electronics Engineering (SENSE), Vellore Institute of Technology (VIT), Chennai.
  18. Hands on workshop on “Embedded System Design and Simulation – Simulation of ARM7, ARM Cortex M4 based Microcontrollers & IOT Builder for Arduino and Robotics with the Proteus VSM Software” (2022), Amrita School of Engineering, Amrita VishwaVidyapeetham, Amritapuri, Kerala.
  19. ATAL FDP on “Revolution on 5 G and Beyond with Industrial Instrumentation Approach, Machine Learning” (2021) Dayananda Sagar College of Engineering.
  20. Faculty Development Programme on “Implementation of National Education Policy” (2021), Valiakoonambaikulathamma College of Engineering and Technology, Thiruvananthapuram.
  21. Short Course on “Flexible Electronics” (2018), National Centre for Flexible Electronics, Indian Institute of Technology (IIT), Kanpur.
  22. International Workshop on “Smart Materials Sensors and Energy Devices” (2018), SSN College of Engineering, Chennai.
  23. Training Course on “Recent Trends in Thin Film Development and Their Applications in Biomedical and Biosensor Devices” (2018), Centre for Nanoscience and Nanotechnology, Sathyabama University, Chennai.
  24. National Workshop on “Advances in Polymeric Materials (APM-2K17)” (2017), STAS, Mahatma Gandhi University, Kottayam.
  25. Faculty Development Programme on “How to do a good Ph.D. and How to write papers/thesis using LaTex” (2016), College of Engineering, Karunagappally, Kollam.
  26. Training Programme on “Synthesis and Characterization Techniques” (2016), Centre for Nanoscience and Nanotechnology, Sathyabama University, Chennai.
  27. Faculty Development Programme on “Green Nanotechnology in Materials Engineering & Energy Applications” (2015), College of Engineering, Adoor, Pathanamthitta.
  28. Faculty Development Programme on “Research Methodology” (2015), College of Engineering, Adoor, Pathanamthitta.
  29. National Workshop on “Advances in Polymeric Materials” (APM-2K15), STAS, Mahatma Gandhi University, Kottayam.
  30. Workshop on “Research Methodology” (2015), School of Management & Business Studies, Mahatma Gandhi University, Kottayam.
  31. National Seminar on “Nanoscience and Nanotechnology” (2015), University of Keralam, Thiruvananthapuram.
  32. National Seminar on “Recent Advances in Polymer Technology” (RAPT-2K15), STAS, Mahatma Gandhi University, Kottayam
Awards
  1. Best Paper Award (International Conference on Smart Systems, Electronics, and Communication Engineering (ICSSEECC 2026))
  2. Best Paper Presentation Award (International Conference on Recent Trends in Electrical, Electronics, Telecommunications, Instrumentation Engg., Medical Electronics and Physics organized by Dayananda Sagar College of Engineering, Bangalore, 2020)
  3. Best Presentation Award (National conference on Advances in Nanomaterials and Nanotechnology organized by Marthoma College, Tiruvalla, 2019.)
  4. Best Paper Runner-Up Award (International conference on Recent Scientific Research in Engineering and Technology organized by John Cox Memorial CSI Institute of Technology, Thiruvananthapuram, 2019.)
  5. Selected for Best Paper Competition (Keralam Science Congress at Fatima Mata National College, Kollam, 2019.)
  6. Best Paper Award (Swadeshi Science Congress at CSIR-NIIST, Thiruvananthapuram, 2018.)
  7. Junior Research Fellowship, Mahatma Gandhi University, Kottayam, 2015.
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