Device Architecture and Materials for Organic Light-Emitting Devices: Targeting High Current Densities and Control of the Triplet Concentration

By Sarah Schols

Book Overview

Contents. List of symbols and abbreviations.

1 Introduction. 1.1 Organic semiconductors. 1.2 State of the art organic light-emitting devices. 1.3 Organic semiconductor lasers. 1.4 Book outline.

2 Materials and experimental techniques. 2.1 Sample fabrication. 2.2 Device characterization.

3 OLEDs with field-effect electron transport. 3.1 Device fabrication. 3.2 Device operation. 3.3 Device performance. 3.4 Improvement of the external quantum efficiency. 3.5 Summary and conclusions.

4 Devices based on diperfluorohexyl-quaterthiophene derivatives. 4.1 Characterization of DFH-4T and DFHCO-4T. 4.2 Devices based on DFH-4T. 4.3 Devices based on DFHCO-4T. 4.4 Comparison. 4.5 Summary and conclusions.

5 Control of the triplet concentration. 5.1 Pulsed excitation of OLEDs with field-effect transport. 5.2 Triplet excitation scavenging. 5.3 Summary and conclusions.

6 Triplet-emitter doped organic materials. 6.1 Triplet dynamics and charge carrier trapping. 6.2 Optical pumping of triplet-emitters. 6.3 Summary and conclusions.

7 Value of OLEDs with field-effect electron transport for lasing. 7.1 Potential as laser device configuration. 7.2 Optically pumped lasing experiments. 7.3 Device with integrated field-effect and photonic features. 7.4 Summary and conclusions.

8 General conclusions and future outlook. 8.1 Overview of the main results. 8.2 Suggestions for further research.

Bibliography.

• Format: Paperback
• Language: English
• ISBN: 9400794037
• ISBN13: 9789400794030
• Release Date: October 2014
• Publisher: Springer
• Length: 154 Pages
• Weight: 0.55 lbs.
• Dimensions: 0.4" x 6.1" x 9.2"