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Titleand nano-scale organic light-emitting devices driven by alternating-current voltage
File Size3.5 MB
Total Pages114
Table of Contents
Chapter 1: Introduction
	1.1 Devices
		1.1.1 Organic light-emitting diodes (OLEDs)
		1.1.2 Organic light-emitting transistors (OLETs)
		1.1.3 Organic phototransistors (OPTs)
	1.2 Materials
		1.2.1 Molecules
		1.2.2 Morphology: thin films and nanofibers
	1.3 Materials and devices used in this project
	1.4 Structure of the thesis
Chapter 2: Charge injection and transport
	2.1 Theory
		2.1.1 Energy levels
		2.1.2 Theoretical approaches to charge injection
		2.1.3 Introduction of density functional theory (DFT) and basis sets
		2.1.4 Intrinsic charge transport
	2.2 Calculations
		2.2.1 Energy levels
		2.2.2 Transfer integral
		2.2.3 Reorganization energy
		2.2.4 Intrinsic mobility
	2.3 Chapter summary
Chapter 3: OLETs based on thin films and transferred nanofibers
	3.1 Photoluminescence (PL) of organic thin films
	3.2 Operating mechanism
		3.2.1 Preparation of micro-scale transistors
		3.2.2 Electrical characteristics
		3.2.3 Electroluminescence (EL) from p6P thin films and operating mechanism
		3.2.4 Self-assembled monolayer (SAM) modification
	3.3 OLETs based on PPTPP, NaT and NaT2 thin films
	3.4 OLETs based on transferred p6P nanofibers
		3.4.1 Growth of nanofibers and transfer
		3.4.1 Low-temperature study of transferred nanofibers
		3.4.2 Electroluminescence from transferred nanofibers
	3.5 Chapter summary
Chapter 4: Nano-scale OLETs
	4.1 Preparation of nano-scale transistors
	4.2 Electroluminescence from in-situ grown nanofibers
	4.3 Chapter summary
Chapter 5: OPTs based on thin films and nanofibers
	5.1 Experimental
	5.2 Chapter summary
Chapter 6: Conclusions and outlook
	A: List of publications
	B: Derivations of drain-source current
	C: HOMO and LUMO orbitals
	D: Micro-scale device fabrication recipe
	E: Extraction of emission intensity of p6P thin film based OLET
Document Text Contents
Page 113


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