Randomized Network of Single Walled Carbon Nanotubes Thin Film Transistor: Fabrication, Simulation and Application as Biosensor

2 Motivation and Objective 3 Chapter 1 Carbon nanotubes: Properties and Structure 6 1.1 Carbon Nanotube 6 1.1.1 Overview 6 1.1.2 Carbon nanotube structure: SWCNT & MWCNT 7 1.2 Electronic Properties of Carbon Nanotubes 10 1.2.1 Band Structure of Graphene 10 1.2.2 Metallic and Semiconducting SWCNTs 12 1.3 Fabrication and Modelling Device based on Carbon Nanotube .. 15 1.3.1 Carbon Nanotube Electronics Device 15 1.3.2 Carbon Nanotube Bio/chemical sensing 20 1.3.3 Modelling of Carbon Nanotube Device 21 2 Chapter 2 State-of-the-art 23 2.1 Synthesis of Single Walled Carbon Nanotubes by Chemical Vapor Deposition 23 2.2 Single Walled Carbon Nanotubes Solution and Preparation 24 2.3 Deposition Methods for SWCNTs Solution 27 2.3.1 Spray Coating 28 2.3.2 Dip Coating 28 2.3.3 Spin Coating 29 2.3.4 Dielectrophoresis Deposition 30 2.3.5 Electrophoretic Deposition 31 3 Chapter 3 Experimental Process for Fabrication of SWCNTs-TFT 33 3.1 Dispersion Process of Semiconducting SWCNTs on Aqueous Solution 34