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Faculties

MK Jayaraj

Emeritus Professor

Phone: +914842577595


Dr.M.K.Jayaraj received the M.Sc. degree in Physics from Cochin University of Science and Technology in 1984 and the Ph.D. degree in Physics from Cochin University of Science and Technology in 1990. From 1990-1991 he worked at Physical Research Laboratory where he was involved the measurement of electron molecule scattering cross section. 1991 he was awarded the SERC Young Scientist Scheme by department of science and technology to work on Thin film electroluminescent devices at Regional Research Laboratory, Trivandrum. Dr Jayaraj has been a visiting Scientist to ENEA, Italy during 1994-95. He was awarded the European commission fellowship to work at University of P et Marie Curie during 1995-96. From 1999-2001 he worked at Oregon state university where he was involved in the development of p-type transparent conducting oxides. He has also worked as a visiting professor at Tokyo Institute of Technology, Japan. His specialization and research focus is in the area of Optoelectronic materials and devices. Recent research interests include Nanostructured devices, transparent electronics, Ferroelectric thin films, Electroluminescent Devices, Laser and RF plasma studies.

Topics of Research
    Optoelectronic Materials and Devices
Awards
  • KSCSTE, Dr. S. Vasudev Award 2019
  • Material Research Society of India, MRSI Medal 2019
Projects
  • Nanophosphors for security printing and bio sensing applications, UGC-BSR MID CAREER AWARD GRANT, 10 Lakhs (16/2/2017 - 15/2/2019)
  • Ultrafast laser beamlines for Multidisciplinary, Multitasking Research Programmes, Chancellor's Award - 2019, 4 Crores (21/04/2021 - 21/04/2024)
  • Fabrication of interdigitated dopant free carrier Selective c-Si solar cell by scalable process with open circuit voltage above 700 mV, SERB-CRG, 35.42 Lakhs (28-12-2021 - 27-12-2024)
  • Growth of carbon nanotubes for optoelectronic applications, KSCSTE, 23.76 (2014 - 2017)
  • Upconversion phosphors for solar cell applications, SERB, 26.52 (2015 - 2018)
Collaboration
  • Magnetism in hydrothermally grown MoS2 nanoflakes, Department of Physics, Central University of Kerala, Padannakad, Kasaragod, Kerala 671314, India
  • Fabrication of cost-effective, highly reproducible large area arrays, Department of Instrumentation, CUSAT
  • Studies of reproducible large area arrays of nanotriangular pillars for surface enhanced Raman scattering substrates, Department of Energy Science and Engineering, IIT Bombay, Universitat de Politecnica de Barcelona
  • Surface enhanced Raman scattering substrates, Department of Enginyeria Electronica, Universitat Politecnica Catalunya, C/Jordi Girona, 31, Modul C4, Barcelona 08034, Spain
  • Fast UV sensing properties of n-ZnO, Government Polytechnic College, Pala, 687565, India
  • Sensing properties of n-ZnO nanorods/p-GaN Heterojunction, Government Polytechnic College, Kalamassery, 683104, Kochi, India
  • Nonlinear Absorption Properties of Reduced Graphene Oxide, Optolectronic and Nanomaterials Research Laboratory, Department of Physics, Union Christian College, Aluva-683 102, Kerala, India
  • Study of Absorption Properties of Reduced Graphene Oxide By Z-Scan Technique, Division of Physics, School of Advanced Sciences, VIT, Chennai
  • Effect of reduction time on third order optical nonlinearity, Optolectronic and Nanomaterials Research Laboratory, Department of Physics, Union Christian College, Aluva-683 102, Kerala, India
  • Studies of reduction time on third order optical nonlinearity of reduced graphene oxide, Division of Physics, School of Advanced Sciences, VIT, Chennai
  • Studies of nonlinear absorption properties of graphite oxide thin films, International School of Photonics, CUSAT,
  • Nanotube Composite Films for Flexible Electrode Applications, Department of Physics Union Christian College Aluva, India
  • Reverse Saturable Absorption Prepared by Pulsed Laser Ablation, International School of Photonics, CUSAT,
  • Yb on annealing using X-ray absorption spectroscopy, Atomic and Molecular Physics Division, Bhabha Atomic Research Centre, Mumbai 400094, India
  • Excitation-wavelength dependent upconverting surfactant free MoS2 nanoflakes grown by hydrothermal method, Department of Physics, Central University of Kerala, Kasaragod, Kerala 671314, India
  • Optimally distributed Ag over SiO2 nanoparticles as colloidal SERS substrate, Department of Instrumentation, Cochin University of Science and Technology, Kerala, India, 682022
  • Enhanced optical, magnetic and hydrogen evolution reaction properties of Mo1−xNixS2 nanoflakes, Department of Physics, Central University of Kerala, Tejaswini Hills, Periye, Kasaragod, Kerala, India-671316, Tata Institute of Fundamental Research-Hyderabad, Sy. No. 36/P Serilingampally Mandal, Gopanapally Village, Hyderabad-500 107, India
  • Rolling and unrolling of graphene sheetsviain situgeneration of superparamagnetic ironoxide nanoparticles, Department of Polymer Science and Rubber Technology, India
  • Analysis of graphene films grown on copper foil at 845 °C by intermediate pressure chemical vapor deposition, School of Pure and Applied Physics, Mahatma Gandhi University, Kottayam, India
  • Synthesis of Yb3+/Er3+ co-doped Y2O3, YOF and YF3 UC phosphors and their application in solar cell for sub-bandgap photon harvesting, Department of Energy Science and Engineering, IIT Bombay, Mumbai 400076, India
  • Upconversion and downconversion photoluminescence and optical limiting in colloidal MoS2 nanostructures prepared by ultrasonication, International School of Photonics, CUSAT,
  • Synthesis of mono/ few layered MoS2 thin films and graphene: MoS2 van der Waal heterostructures using pulsed laser deposition, Department of Instrumentation, Cochin University of Science and Technology, India, 682022. eDepartment of Physics, Sree Narayana College, Cherthala, Alappuzha, India, 688582.
  • Facile Preparation of Lightweight and Flexible PVA/ PEDOT:PSS/MWCNT Ternary Composite for High-Performance EMI Shielding in the X-Band Through Absorption Mechanism, Department of Electronics, Cochin University of Science and Technology, Kochi, Kerala 682 022, India.
  • Visible light responsive superhydrophilic TiO2/reduced graphene oxide coating by vacuum-assisted filtration and transfer method for self-cleaning application, Department of Polymer Science and Rubber Technology, Cochin University of Science and Technology, Kochi, 682022, Kerala, India
  • Novel Boron-Doped p‐Type Cu2O Thin Films as a Hole-Selective Contact in c‐Si Solar Cells, Department of Electrical Engineering, Indian Institute of Technology, Bombay, Mumbai 400076, India, International School of Photonics
  • Effect of Sr and La co-doping on structural and electrical properties of RF sputtered PZT thin films, Naval Physical and Oceanographic Laboratory, DRDO, Kochi-682021, India 2 Research and Innovation Centre, DRDO, Chennai-600113, India 3 Armament Research and Development Establishment, DRDO, Pune-411021, India
  • Nanosecond Laser Surface Texturing of Crystalline Silicon In Ambient Air and Water, Raman Research Institute, C.V. Raman Avenue, Sadashivanagar, Bangalore-560080, India
  • Engineering Nanostructured Spinel Ferrites by co-substitution for Total Water Electrolysis by Preferential Exposure of Metal Cations on the Surface, Center of Excellence in Advanced Materials, Cochin University of Science and Technology, Kerala, India
PhD Students
  • Anjana R, Infrared to visible upconversion luminescent materials for imaging applications, 2019
  • Subha P P, Fabrication of room temperature gas sensors based on metal oxide semiconductor nanostructures, 2018
  • Shijeesh M. R., Fabrication of thin film transistors and development of complementary metal oxide semiconductor inverters, 2018
  • Saritha A C, Growth and characterization of p-type transparent semiconducting oxides for optoelectronic applications, 2017
  • Hasna K, Development of metal and metal oxide nanostructures for surface enhanced Raman scattering, 2017
  • Vikas L S, Fabrication of optoelectronic devices based on vertically aligned one dimensional ZnO nanostructures, 2017
  • Satish B, Growth and Characterization of Pulsed Laser Deposited BaPbO3 conductive oxide thin film electrodes for ferroelectric and Cr doped BiFeO3 for multiferroic applications, 2017
  • Krishnaprasad P S, Growth and characterization of polycrystalline and domain matched epitaxial oxide dielectric thin films for memory and tunable microwave applications, 2016
Publications
  • Spike-dependent plasticity modulation in TiO2 based synaptic device, https://doi.org/10.1007/s10854-021-05710-2
  • Effect of substrate temperature on the optoelectronic properties of chemically sprayed SnS thin film, https://doi.org/10.1016/j.matpr.2020.08.512
  • Facile Preparation of Lightweight andFlexiblePVA/PEDOT:PSS/MWCNT Ternary Composite for High-Performance EMI Shielding in the X-Band Through Absorption Mechanism, https://doi.org/10.1007/s11664-019-07676-8
  • Visible light responsive superhydrophilic TiO2/reduced graphene oxide coating by vacuum-assisted filtration and transfer method for self-cleaning application, https://doi.org/10.1016/j.mssp.2020.105011
  • Novel Boron-Doped p-Type Cu2O Thin Films as a Hole-Selective Contact in c-Si Solar Cells, https://doi.org/10.1021/acsami.9b22581
  • Effect of Sr and La co-doping on structural and electrical properties of RF sputtered PZT thin films, https://doi.org/10.1088/2053-1591/ab6e80
  • Sustainable carbon dots as “turn-off” fluorescence sensors for highly sensitive Pb2+detection, https://doi.org/10.1007/s42247-019-00068-y
  • Performance enhancement of organic/Si solar cell using CNT embedded hole selective layer, doi:10.1016/j.solener.2020.09.024
  • Clean synthesis of Er, Yb doped fluorapatite upconversion luminescent nanoparticles through liquid phase pulsed laser ablation, https://doi.org/10.1016/j.optlastec.2020.106452
  • Light emitting, segmented block copolymers containing distyrylbenzene blocks connected through α,ω-nonamethylenedioxy chain spacer for applications in polymer light emitting diodes, https://doi.org/10.1016/j.dyepig.2020.108729
  • Effects of temperature and doping on aluminium doped ZnO thin film grown by spray pyrolysis, https://doi.org/10.1063/5.0009005
  • Hydrothermal synthesis of MoS2 for supercapacitive application, https://doi.org/10.1063/5.0009010
  • Novel boron doped p-type Cu2O thin film as hole selective contact in c-Si solar cell,, https://doi.org/10.1021/acsami.9b22581
  • Chemical vapour deposited graphene: substrate pre-treatment, growth and demonstration as a simple graphene-based SERS substrate, https://doi.org/10.1007/s12034-020-02114-6
  • Selective Detection of Hydrogen Sulphide from the Background of Low Concentration Reducing Gases for Halitosis Diagnosis, https://doi.org/10.1016/j.matchemphys.2020.124038
  • Envisaging radio frequency magnetron sputtering as an efficient method for large scale deposition of homogeneous two dimensional MoS2, https://doi.org/10.1016/j.apsusc.2020.147158
  • Hydrothermal synthesis of WO3 nanoparticles: Characterization and sonocatalytic study, https://doi.org/10.1016/j.matpr.2019.12.418
  • Optimization of piezoelectric MEMS process on Sr and La co-doped PZT thin films, https://doi.org/10.1142/S2010135X20500101
  • A facile surfactant assisted hydrothermal synthesis of ZnO and graphene loaded ZnO for efficient photocatalytic self-cleaning, https://doi.org/10.1088/2053-1591/ab6e3a
  • Nonlinear optical absorption and asymmetric charge carrier conduction in chemical vapor deposited single-layer graphene, https://doi.org/10.1088/2053-1591/ab6c94
  • Optimally distributed Ag over SiO2 nanoparticles as colloidal SERS substrate, 10.1016/j.microc.2019.03.027
  • Enhanced room temperature gas sensing properties of low temperature solution processed ZnO/CuO heterojunction, 10.1186/s13065-019-0519-5
  • Stokes shift engineered, stable core-shell perovskite nanoparticle–Poly (methyl methacrylate) composites with high photoluminescence quantum yield, 10.1016/j.optmat.2019.05.046
  • Enhanced optical, magnetic and hydrogen evolution reaction properties of Mo₁₋ ₓNiₓS₂ nanoflakes, 10.1039/C9RA01869G
  • Rolling and unrolling of graphene sheets via in-situ generation of superparamagnetic iron oxide nanoparticles, 10.1039/C9CP01507H
  • Synthesis of mono/ few layered MoS2 thin films and graphene: MoS2 van der Waal heterostructures using pulsed laser deposition, https://doi.org/10.1117/12.2529185
  • Fabrication and characterization of p-type boron doped Cu2O thin film and Cu2O:B/n-Si heterojunction, https://doi.org/10.1117/12.2529144
  • Solution processable PEDOT:PSS/Multiwalled Carbon Nanotube composite films for flexible electrode applications, https://doi.org/10.1002/pssa.201701003
  • Luminescent MoS2 Quantum Dots with Reverse Saturable Absorption Prepared by Pulsed Laser Ablation, https://doi.org/10.1016/j.jlumin.2018.06.004
  • Low temperature fabrication of CuxO thin-film transistors and investigation on the origin of low field effect mobility, https://doi.org/10.1063/1.4991812
  • Investigating the evolution of local structure around Er and Yb in ZnO:Er and ZnO:Er, Yb on annealing using X-ray absorption spectroscopy, https://doi.org/10.1063/1.5022638
  • Analysis of graphene films grown on copper foil at 845 °C by intermediate pressure chemical vapor deposition, 10.1088/2053-1591/aadec4
  • Synthesis of Yb3+/Er3+ co-doped Y2O3, YOF and YF3 UC phosphors and their application in solar cell for sub-bandgap photon harvesting, 10.1002/2014GL060116
  • Upconversion and downconversion photoluminescence and optical limiting in colloidal MoS2 nanostructures prepared by ultrasonication, 10.1016/j.optmat.2018.08.038
  • Mechanistic insights into CTAB assisted TiO2 crystal growth with largely exposed high energy crystal facets, 10.1016/j.jece.2018.08.045
  • Luminescent MoS2 Quantum Dots with Reverse Saturable Absorption Prepared by Pulsed Laser Ablation, 10.1016/j.jlumin.2018.06.004
  • Fabrication of p-CuO/n-ZnO heterojunction diode via sol-gel spin coating technique, https://doi.org/10.1016/j.mseb.2017.03.008
  • Study of nonlinear absorption properties of reduced graphene oxide by Z-scan technique, https://doi.org/10.1063/1.4980792
  • Effect of reduction time on third order optical nonlinearity of reduced graphene oxide, https://10.1016/j.optmat.2017.01.042
  • Synthesis and characterization of Au-MWCNT/PEDOT: PSS composite film for optoelectronic applications, https://doi.org/10.1117/12.2275303
  • Biocompatible Er, Yb co-doped fluoroapatite upconversion nanoparticles for imaging applications, https://doi.org/10.1117/12.2274772
  • Excitation-Wavelength Dependent Upconverting Surfactant Free MoS 2 Nanoflakes Grown by Hydrothermal Method, https://doi.org/10.1016/j.jlumin.2017.06.025
  • Enhanced green upconversion luminescence in ZnO:Er3+,Yb3+ on Mo6+ co-doping for temperature sensor application, https://doi.org/10.1088/2050-6120/aa9c13
  • Investigations on the reasons for degradation of zinc tin oxide thin film transistor on exposure to air, https://doi.org/10.1016/j.mssp.2017.10.015
  • Low temperature fabrication of CuxO thin-film transistors and investigation on the origin of low field effect mobility, https://doi.org/10.1063/1.4991812
  • Fabrication of p-CuO/n-ZnO heterojunction diode via sol-gel spin coating technique, https://doi.org/10.1016/j.mseb.2017.03.008
  • Wasp-waisted magnetism in hydrothermally grown MoS2 nanoflakes, https://doi.org/10.1088/2053-1591/3/11/116102
  • Effect of thickness on nonlinear absorption properties of graphite oxide thin films, https://doi.org/10.1016/j.optmat.2016.08.025
  • Fabrication of cost-effective, highly reproducible large area arrays of nanotriangular pillars for surface enhanced Raman scattering substrates, https://doi.org/10.1007/s12274-016-1190-y
  • Enhancement of a-Si: H solar cell efficiency by Y2O3: Yb3+, Er3+ near infrared spectral upconverter, https://doi.org/10.1117/12.2237549
  • Preparation of ZnO nanoparticles showing upconversion luminescence through simple chemical method, https://doi.org/10.1063/1.4947732
  • Growth and characterization of p-ZnO: Cu thin film and its homojunction application, https://doi.org/10.1088/0022-3727/49/29/295105
  • Synthesis of silver nanowires using hydrothermal technique for flexible transparent electrode application, https://doi.org/10.1063/1.4947951
  • Fast UV sensing properties of n-ZnO nanorods/p-GaN heterojunction, https://doi.org/10.1016/j.sna.2016.02.038
  • Development of high-sensitive, reproducible colloidal surface-enhanced Raman spectroscopy active substrate using silver nanocubes for potential biosensing applications, https://doi.org/10.1117/1.JNP.10.026020

IQAC Profile Link: https://iqac.cusat.ac.in/Web/profile_view/18/Prof.M.K.JAYARAJ