Verification of piezoresistive and piezoelectric properties in 2D transition-metal dichalcogenide PtSe2 and PtTe2 materials

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dc.contributor.advisorAkinwande, Deji
dc.creatorKo, Justin Sanghyeok
dc.creator.orcid0000-0002-4646-7832
dc.date.accessioned2023-04-21T15:22:48Z
dc.date.available2023-04-21T15:22:48Z
dc.date.created2022-12
dc.date.issued2022-12-01
dc.date.submittedDecember 2022
dc.date.updated2023-04-21T15:22:50Z
dc.description.abstractTransition-metal dichalcogenide (TMD) materials have promising properties that make them suitable for wearable bioelectronics and biosensors. Specifically, the Platinum based TMD materials, PtSe2 and PtTe2, can be fabricated at low temperatures, allowing for growth on flexible substrates, such as polyimide film. Exploration of piezoresistivity and piezoelectricity in PtSe2 and PtTe2 can enable more applications for the novel 2D material. This report focuses on the experimental setup and results for the verification of the piezoresistive and piezoelectric property in PtSe2 and PtTe2. The piezoresistivity experiment focuses on the change in resistance in the material due to strain induced by bending using a two-point bending fixture. In the piezoelectricity experiment, samples are put in a periodic strain at 2 Hz with the voltage response of the material being measured using a digital oscilloscope. An analysis of the experimental results is discussed along with a proposal for further applications for using piezoelectric materials as energy-harvesting elements of the next-generation bioelectronics.
dc.description.departmentElectrical and Computer Engineering
dc.format.mimetypeapplication/pdf
dc.identifier.urihttps://hdl.handle.net/2152/118376
dc.identifier.urihttp://dx.doi.org/10.26153/tsw/45255
dc.language.isoen
dc.subject2D materials
dc.subjectPtSe2
dc.subjectPtTe2
dc.subjectPiezoresistivity
dc.subjectPiezoelectricity
dc.titleVerification of piezoresistive and piezoelectric properties in 2D transition-metal dichalcogenide PtSe2 and PtTe2 materials
dc.typeThesis
dc.type.materialtext
thesis.degree.departmentElectrical and Computer Engineering
thesis.degree.disciplineElectrical and Computer Engineering
thesis.degree.grantorThe University of Texas at Austin
thesis.degree.levelMasters
thesis.degree.nameMaster of Science in Engineering

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