Sustainable laser-induced graphene (LIG) for electrochemical sensing, energy storage and harvesting

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dc.contributor.advisorIacopino, Daniela
dc.contributor.advisorQuinn, Aidan J.
dc.contributor.authorIslam, Md Jahidulen
dc.contributor.funderScience Foundation Ireland
dc.date.accessioned2026-01-20T14:25:57Z
dc.date.available2026-01-20T14:25:57Z
dc.date.issued2025
dc.date.submitted2025
dc.description.abstractThe fabrication of laser-induced graphene (LIG) via direct laser writing has emerged as a rapid, cost-effective, and versatile method for producing 3D graphitic materials. This technique enables precise control over porous structures, making it highly suitable for applications in electrochemical sensing, energy storage, and energy harvesting. Since its discovery in 2014, LIG fabrication has evolved into a significant research area. This thesis explores the development of LIG, investigating the materials used, their essential properties, and standard characterization techniques. The exceptional properties of LIG, such as its large surface area, high conductivity and tuneable porosity, make it an ideal candidate for electrochemical sensors, supercapacitors, and triboelectric nanogenerators (TENG). Particular emphasis is placed on optimizing fabrication parameters to enhance these properties and identifying sustainable precursor materials for LIG production. Among various carbon precursors, cork and chitosan- biopolymer derived from shrimp shells-emerge as a promising alternative to petroleum-based synthetic polymers due to their biodegradability, renewability, and reduced environmental impact. This thesis presents a detailed study on LIG synthesis strategies using traditional polyimide, cork and chitosan substrates to determine their efficiency as precursors for graphitization and patterning. Initially, efforts are focused on optimizing LIG synthesis and laser processing techniques on polyimide for electrochemical sensor applications. Next, strategies for fabricating flexible, “green” LIG architectures are explored. These architectures are further demonstrated in energy storage devices and triboelectric nanogenerators for sustainable energy harvesting. Overall, the laser processing strategies developed in this work highlight cork and chitosan as efficient and sustainable precursors for green-LIG synthesis. The presented approaches emphasize the potential of LIG as a versatile material for electrochemical and energy applications, paving the way for environmentally friendly and cost-effective graphene-based technologies.en
dc.description.statusNot peer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationIslam, M. J. 2025. Sustainable laser-induced graphene (LIG) for electrochemical sensing, energy storage and harvesting. PhD Thesis, University College Cork.
dc.identifier.endpage158
dc.identifier.urihttps://hdl.handle.net/10468/18419
dc.language.isoenen
dc.publisherUniversity College Corken
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/Research Centres Programme/16/RC/3835(N)/IE/VistaMilk Centre/
dc.rights© 2025, Md Jahidul Islam.
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.subjectAntibiotic detection
dc.subjectBiodegradable device
dc.subjectElectrochemical Surface-enhanced Raman Spectroscopy (EC-SERS)
dc.subjectEnergy harvesting
dc.subjectEnergy storage
dc.subjectGreen fabrication
dc.subjectLaser-induced graphene (LIG)
dc.subjectLow energy footprint
dc.subjectNatural sources
dc.subjectNanomaterials
dc.subjectSilver nanoparticles
dc.subjectSupercapacitor
dc.subjectSustainable materials
dc.subjectTriboelectric nanogenerator (TENG)
dc.titleSustainable laser-induced graphene (LIG) for electrochemical sensing, energy storage and harvesting
dc.typeDoctoral thesisen
dc.type.qualificationlevelDoctoralen
dc.type.qualificationnamePhD - Doctor of Philosophyen
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