The Drift Diffusion Simulation of Coupled Ionic -Electronic Devices

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Creator: 

Bonfil, Cem

Date: 

2014

Abstract: 

This thesis creates a numerical simulation scheme for a coupled ionic
electronic device and uses it to simulate a memristor based on an or-
ganic conductor called poly(3,4 ethylenedioxythiophene):polystyrene-
sulfonate (PEDOT:PSS). The modeled memristor consists of a thin
PEDOT:PSS strip with a metal contact on both sides and a drop
of an electrolyte solution with lithium and perchlorate ions. The
conductivity of the memristor changes when the lithium ions in the
electrolyte dedopes the PEDOT:PSS by bonding with PSS polymers.
A numerical drift diffusion and a Poisson solver was
implemented
with special features to model the physical properties of the memris-
tor. The developed simulation algorithm was tested using analytical
solutions to the drift diffusion equations and Poisson's equation. 1-
D and 2-D simulations were able to capture the essential physical
effects.

Subject: 

Engineering - Electronics and Electrical

Language: 

English

Publisher: 

Carleton University

Thesis Degree Name: 

Master of Applied Science: 
M.App.Sc.

Thesis Degree Level: 

Master's

Thesis Degree Discipline: 

Engineering, Electrical and Computer

Parent Collection: 

Theses and Dissertations

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