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University of Florida

1. Zou, Liuruidong. Application of Lissajous Plots to Identify Non-Stationary Behavior in Impedance Spectroscopy.

Degree: MS, Chemical Engineering, 2020, University of Florida

When examining properties of unknown devices spectrum of impedance are critical for overlooking the electrochemical properties of devices. Electrochemical impedance spectroscopy(EIS) measuring the transfer function which connecting the input potential and output current. Identification of non-stationary behavior in EIS requires post-processing by application of measurement model simulation based on Kramers-Kronig relations.The objective of this thesis was to explore the suitability of instantaneously measured Lissajous figures for identifying non-stationary behavior. Despite transmitting impedance spectrum a script written by Prof. Buruk Ulgut was used to obtain averaged and instantaneous Lissajous plots for the impedance measurements of steel electrode, titanium alloy electrode and red quantum-dot light emitting diodes provided by Nanophotonica. Comparison between the two Lissajous plots printing methods revealed that instantaneous Lissajous plots were shown to be sensitive to nonstationary behavior, even when the averaged Lissajous plot suggested stationary behavior. Instantaneous Lissajous plots were shown to provide a simple manner by which non-stationary behavior could be detected during the course of an impedance measurement. Comparison to use of a measurement model to assess consistency with the Kramers-Kronig relations to measured spectra showed that the instantaneous Lissajous plots could detect non-stationary behavior under conditions for which the measurement model gave inconclusive results. ( en ) Advisors/Committee Members: Orazem,Mark E (committee chair).

Subjects/Keywords: impedance  – lissajous  – nonstationary

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APA · Chicago · MLA · Vancouver · CSE | Export to Zotero / EndNote / Reference Manager

APA (6th Edition):

Zou, L. (2020). Application of Lissajous Plots to Identify Non-Stationary Behavior in Impedance Spectroscopy. (Masters Thesis). University of Florida. Retrieved from https://ufdc.ufl.edu/UFE0056551

Chicago Manual of Style (16th Edition):

Zou, Liuruidong. “Application of Lissajous Plots to Identify Non-Stationary Behavior in Impedance Spectroscopy.” 2020. Masters Thesis, University of Florida. Accessed April 15, 2021. https://ufdc.ufl.edu/UFE0056551.

MLA Handbook (7th Edition):

Zou, Liuruidong. “Application of Lissajous Plots to Identify Non-Stationary Behavior in Impedance Spectroscopy.” 2020. Web. 15 Apr 2021.

Vancouver:

Zou L. Application of Lissajous Plots to Identify Non-Stationary Behavior in Impedance Spectroscopy. [Internet] [Masters thesis]. University of Florida; 2020. [cited 2021 Apr 15]. Available from: https://ufdc.ufl.edu/UFE0056551.

Council of Science Editors:

Zou L. Application of Lissajous Plots to Identify Non-Stationary Behavior in Impedance Spectroscopy. [Masters Thesis]. University of Florida; 2020. Available from: https://ufdc.ufl.edu/UFE0056551

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