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Hybrid organic inorganic structures for solution processed organic light emitting diodes (OLEDs) / von author: Danny Krautz. 2014
Content
Introduction and Motivation
Fundamentals and experimental details of organic light emitting diodes (OLEDs)
Theoretical background of organic light emitting diodes
Fundamentals of organic semiconductors
Charge injection and transport processes
Optical losses within the OLED structure
Deposition techniques and processing procedure of OLED devices
Atomic layer deposition
Measurement techniques
Ultra Thin Metal electrode for OLEDs
Experimental details
Characterization of the ultra thin metal electrodes
Nickel UTMF as bottom anode for OLEDs
Influence of the Ni layer thickness on the performance of OLEDs
Increased efficiency of Ni-OLEDs due to improved electron injection
Influence of the oxidation of the UTMF on device performance
Further improvements of UTMF layer using double metal layer
Properties of Ni, Cu and CuNi as UTMF
Double metal layer as anode for bottom light emitting diodes
Conclusions
Atomic Layer Deposition (ALD) Technique applied to multilayer organic LEDs
Experimental details
Effect of the deposition process on the intrinsic properties of organics
The ALD layer used to avoid intermixing of successive spin coated organic layers
Study of the solvent influence on the underlying layer.
Application to multilayer OLEDs; avoidance of intermixing of the layers
Conclusion
Blend of a polymer and an organic small molecule as emissive layer for OLEDs
Experimental details
Spectroscopy Study of the Energy transfer mechanism
Performance of the blend as emissive layer for OLEDs
Conclusion
Summary and Outlook
List of figures
List of tables
Figures
Tables
Transfer Matrix Formalism
Bibliography
Publications