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+91-484-2577404

Faculties

Jayalekshmi S

KSCSTE, Emeritus Scientist

Phone: +91484257740

Email: jayalekshmi@cusat.ac.in

Dr. S. Jayalekshmi is a Professor in the Department of Physics of Cochin University of Science & Technology. Her research areas include, Polymer Light emitting Diodes (PLED), Rechargeable Lithium-Ion cells, Nonlinear Optics (NLO), Nanophotonics, Bio-nanophotonics and Organic Electronics. She has taken post-doctoral research positions in National Research Council Canada, University of St. Andrews, Scotland and University of East Anglia England. She has research collaborations with Universities in Scotland and England and many national Institutes in India including VSSC, Trivandrum, TIFR, Mumbai, Institute of Physics, Bhubaneswar, Raman Research Institute, Bangalore and IIT Kanpur. She has over fifty journal publications and around seventy five conference presentations. She has undertaken sponsored research projects from agencies like DST, UGC, KSCSTE, BRNS, DRDO, ISRO etc. Eleven students have completed research under her guidance and eight students are currently working under her supervision for Ph.D.

Topics of Research
    Polymer Light emitting Diodes (PLED) Rechargeable Lithium-Ion cells Nanophotonics, Bio-nanophotonics and Organic Electronics
Awards
  • KSCSTE, Emeritus Fellowship, 2019
Projects
  • Development of all solid state, lithium ion (Li ion) cells and stable lithium-sulfur (Li-S) cells with high energy density, improved safety and long life span for the next generation energy storage applications, KSCSTE, 20.82 Lakhs (2019-01-03 - 2020)
  • Synthesis of new light emitting polymers and fabrication of polymer LEDs with desired characteristics, DST-SERB, 45 (2014 - 2017)
Collaboration
  • Light emitting, segmented block copolymers containing distyrylbenzene blocks connected through α,ω-nonamethylenedioxy chain spacer for applications in polymer light emitting diodes, Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, 682 022, Kerala, India, Department of Physics, Sanatana Dharma College, Alappuzha, Kerala, India
  • Sulfur/polypyrrole composite cathodes for applications in high energy density lithium–sulfur cells, Department of Physics, Aquinas College, Edacochin, Kerala, India
  • Solid-state supercapacitor with impressive performance characteristics, assembled using redox-mediated gel polymer electrolyte, Department of Physics, MSM College, Kayamkulam, Kerala 690502, India Department of Applied Chemistry, Cochin University of Science and Technology, Kochi, Kerala 682022, India
  • On the intriguing emission characteristics of size tunable carbon dots derived from functionalized multi-walled carbon nanotubes, Department of Physics, National Institute of Technology Calicut (NITC),Kerala
  • Growth of Thiophene Based Oligomers Using Stille and Direct Arylation Methods for Optoelectronic Applications, Department of Applied Chemistry, Cochin University of Science and Technology, Kerala, India Tata Institute of Fundamental Research - Hyderabad, India
  • Multiwalled Carbon Nanotube Composite Films for Flexible Electrode Applications, Inter University Centre for Nanomaterials and Devices Cochin University of Science and Technology
  • Layered sulfur / PEDOT:PSS nano composite electrodes for Lithium sulfur cell applications, Laboratory for High Performance Ceramics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland
  • Steam Activated, Coconut Shell Derived Carbon for High Power Supercapacitor Applications, Department of Physics, MSM College, Kayamkulam, Kerala, 690502, India
  • High Power Supercapacitor Applications, Department of Applied Chemistry, CUSAT
  • Mn3O4/reduced graphene oxide nanocomposite electrodes, Department of Physics, MSM College, Kayamkulam, Kerala, 690502, India
  • High power supercapacitor applications, Centre of Excellence in Advanced Materials, Cochin University of Science and Technology, Kochi, Kerala, 682022, India
  • Nanocomposite films for flexible device applications, Optoelectronic and Nanomaterials Research Laboratory; Department of Physics: U.C.College, Aluva, Kerala 683102, India
  • Photoluminescence emission from carbon dots, National Centre for Aquatic Animal Health, Cochin University of Science and Technology, Cochin, Kerala, India
  • Poly (ethylene oxide) (PEO)-based, sodium ion-conducting‚ solid polymer electrolyte films, dispersed with Al2O3 filler, for applications in sodium ion cells, Laboratory for High Performance Ceramics, Empa, Swiss Federal Laboratories for Materials Science and Technology, Ueberlandstrasse 129, CH-8600 Duebendorf, Switzerland
  • Conducting solid polymer electrolyte, TIFR – Centre for Interdisciplinary Sciences (TCIS), Tata Institute of Fundamental Research, Hyderabad-500075, India.
  • Graphene oxide nanocomposite films, Laser and Nonlinear Optics Laboratory, Department of Physics, National Institute of Technology, Calicut, Kerala 673601, India
  • Free standing and flexible films of poly(vinylidene fluoride)/graphene nanocomposite, Centre for Research in Electromagnetics & Antennas; Department of Electronics; Cochin University of Science and Technology; Kochi 682022; Kerala; India
PhD Students
  • Manoj M, Investigations on carbonaceous materials as electrodes for the next generation electrochemical energy storage device applications, 2019
  • Jinisha B, Development of solid polymer electrolytes for applications in all solid state energy storage devices with high energy density and improved safety, 2019
  • Joseph John, Polypyrrole with improved solubility, synthesized using different doping techniques for applications in energy storage devices, 2019
  • Sabira K, Polyvinylidene fluoride as an exotic host matrix material for developing technologically important nanocomposites, 2018
  • Anilkumar K M, The development of high power supercapacitors and high energy density Li and Mg based cells for hybrid energy storage applications, 2018
  • Saheeda P, Carbon nanostructures derived from multiwalled carbon nanotubes and their polymer nanocomposites for imaging, sensing and drug delivery applications, 2018
  • Anand P B, New studies on the versatile roles of Polyaniline and its composites in polymer based optoelectronic and energy storage devices, 2016
  • Ranjini R Mohan, Engineering the material properties of poly analine and its hybrids for specific technological applications, 2021
Publications
  • Liquid/liquid interfacial polymerization as an effective synthesis approach for polypyrrole/MWCNTs nanocomposite with impressive nonlinear optical properties, https://doi.org/10.1016/j.optmat.2020.109940
  • Sulfur/polypyrrole composite cathodes for applications in high energy density lithium–sulfur cells”, https://doi.org/10.1007/s10854-020-03952-0
  • Biomass-derived, activated carbon-sulfur composite cathode with a bifunctional interlayer of functionalized carbon nanotubes for lithium-sulfur cells, 10.1016/j.jcis.2018.09.096
  • Green chemistry route to realize, high quantum yield carbon quantum dots for cellular imaging applications, 10.1088/2053-1591/ab1450
  • On the intriguing emission characteristics of size tunable carbon dots derived from functionalized multi-walled carbon nanotubes, 10.1016/j.matchemphys.2018.11.062
  • Solid-state supercapacitor with impressive performance characteristics, assembled using redox-mediated gel polymer electrolyte, https://doi.org/10.1007/s10008-019-04428-w
  • Li-ion full cell using LiFePO4 and Mn3O4-mesoporous carbon composite as electrodes for energy storage applications, 10.1117/12.2529192
  • Solution processable PEDOT:PSS/Multiwalled Carbon Nanotube composite films for flexible electrode applications, https://doi.org/10.1002/pssa.201701003
  • Lithium-enriched polypyrrole as a prospective cathode material for Li-ion cells, https://doi.org/10.1007/s11581-017-2398-x
  • Layered sulfur/PEDOT:PSS nano composite electrodes for lithium sulfur cell applications, https://doi.org/10.1016/j.apsusc.2018.02.178
  • Acid Washed, Steam Activated, Coconut Shell Derived Carbon for High Power Supercapacitor Applications, http://dx.doi.org/10.1149/2.0491805jes
  • Sulfur-polyaniline coated mesoporous carbon composite in combination with carbon nanotubes interlayer as a superior cathode assembly for high capacity lithium-sulfur cells, 10.1016/j.apsusc.2018.07.113
  • Growth of thiophene based oligomers using Stille and direct arylation methods for optoelectronic applications, 10.1016/j.dyepig.2018.06.013
  • Mn3O4/reduced graphene oxide nanocomposite electrodes with tailored morphology for high power supercapacitor applications, https://doi.org/10.1016/j.electacta.2017.03.167
  • Poly(ethylene oxide) (PEO) – Poly(vinyl pyrrolidone) (PVP) blend polymer based solid electrolyte membranes for developing solid state magnesium ion cells, https://doi.org/10.1016/j.eurpolymj.2017.02.004
  • Development of a novel type of solid polymer electrolyte for solid state lithium battery applications based on lithium enriched poly (ethylene oxide) (PEO)/poly (vinyl pyrrolidone) (PVP) blend polymer, https://doi.org/10.1016/j.electacta.2017.03.118
  • Polyaniline–Graphene Oxide based ordered nanocomposite electrodes for high-performance supercapacitor applications, https://doi.org/10.1007/s10854-017-7292-9
  • Highly luminescent and free-standing, PVDF/doped ZnS nanocomposite films for flexible device applications, https://doi.org/10.1016/j.jlumin.2017.05.014
  • White light emission and excellent UV shielding observed in free-standing and flexible films of poly vinylidene fluoride/zinc oxide nanocomposite, https://doi.org/10.1016/j.matlet.2017.04.119
  • Investigation on the pH independent photoluminescence emission from carbon dots impregnated on polymer matrix, https://doi.org/10.1002/bio.3367
  • Transparent flexible lithium ion conducting solid polymer electrolyte, https://doi.org/10.1039/C7TA02182H
  • Impressive nonlinear optical response exhibited by Poly(vinylidene fluoride)(PVDF)/Reduced graphene oxide(RGO) nanocomposite films, https://doi.org/10.1016/j.optlastec.2017.06.008
  • Poly (ethylene oxide) (PEO)-based, sodium ion-conducting‚ solid polymer electrolyte films, dispersed with Al2O3 filler, for applications in sodium ion cells, https://doi.org/10.1007/s11581-017-2332-2
  • Mn3O4/reduced graphene oxide nanocomposite electrodes with tailored morphology for high power supercapacitor applications, https://doi.org/10.1016/j.electacta.2017.03.167
  • Development of a novel type of solid polymer electrolyte for solid state lithium battery applications based on lithium enriched poly (ethylene oxide) (PEO)/poly (vinyl pyrrolidone) (PVP) blend polymer, https://doi.org/10.1016/j.electacta.2017.03.118
  • Poly(ethylene oxide) (PEO) – Poly(vinyl pyrrolidone) (PVP) blend polymer based solid electrolyte membranes for developing solid state magnesium ion cells, https://doi.org/10.1016/j.eurpolymj.2017.02.004
  • Polyaniline–Graphene Oxide based ordered nanocomposite electrodes for high-performance supercapacitor applications, https://doi.org/10.1007/s10854-017-7292-9
  • Transparent flexible lithium ion conducting solid polymer electrolyte, https://doi.org/10.1039/C7TA02182H
  • Impressive nonlinear optical response exhibited by Poly(vinylidene fluoride) (PVDF)/reduced graphene oxide (RGO) nanocomposite films, https://doi.org/10.1016/j.optlastec.2017.06.008
  • On the absorption dominated EMI shielding effects in free standing and flexible films of poly(vinylidene fluoride)/graphene nanocomposite, https://doi.org/10.1016/j.eurpolymj.2017.12.034
  • Semiconducting thienylene–biphenylenevinylene hybrid polymers: Synthesis, characterization and application prospects in polymer LEDs, https://doi.org/10.1016/j.dyepig.2015.11.020