Presentation Title

Extracting electron hole mobility by analyzing the current frequency space via NLIS

Project Collaborators

"Dr. Matthew White" "Sanish Paramadam" " Aaditya Dimri"

Abstract

Through the use of Nonlinear Impedance Spectroscopy (NLIS) and using Fourier analysis of the measured higher harmonic current due to an AC voltage signal passed through an organic semiconductor we can approximate the electron-hole recombination and the space charge effects in the bulk organic semiconductor device. In our case, we are looking at MIS capacitors and PH diodes in particular. Characterizing the higher harmonic current response to effectively use Nonlinear Impedance Spectroscopy to extract the mobility of the device(s) over a range of applied AC frequencies.

Primary Faculty Mentor Name

Dr. Matthew White

Status

Graduate

Student College

College of Agriculture and Life Sciences

Program/Major

Physics

Primary Research Category

Engineering & Physical Sciences

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Extracting electron hole mobility by analyzing the current frequency space via NLIS

Through the use of Nonlinear Impedance Spectroscopy (NLIS) and using Fourier analysis of the measured higher harmonic current due to an AC voltage signal passed through an organic semiconductor we can approximate the electron-hole recombination and the space charge effects in the bulk organic semiconductor device. In our case, we are looking at MIS capacitors and PH diodes in particular. Characterizing the higher harmonic current response to effectively use Nonlinear Impedance Spectroscopy to extract the mobility of the device(s) over a range of applied AC frequencies.