Understanding losses in OLEDs [Elektronische Ressource] : optical device simulation and electrical characterization using impedance spectroscopy / Stefan Nowy

Stefan Nowy

Description

Dissertationzur Erlangung desDoktorgrades der Naturwissenschaften(Dr. rer. nat.)Understanding losses in OLEDs:optical device simulation andelectrical characterization usingimpedance spectroscopyStefan NowyApril 2010Arbeitsgruppe Organische HalbleiterLehrstuhl fur Experimentalphysik IV¨Institut fur Physik¨Mathematisch-Naturwissenschaftliche Fakultat¨Universitat Augsburg¨Erstgutachter: Prof.Dr. Wolfgang Brutting¨Zweitgutachter: Prof.Dr. Achim WixforthTag der mu¨ndlichen Pru¨fung: 06.07.2010“The only time I become discouraged is when I think ofall the things I like to do and the little time I have inwhich to do them.”— Thomas Alva EdisonContents1. Motivation 72. Introduction to organic light-emitting diodes (OLEDs) 92.1. Organic semiconductors . . . . . . . . . . . . . . . . . . . . . . . . . . 92.2. Energy levels in organic semiconductors . . . . . . . . . . . . . . . . . . 102.3. Excitons and generation of light inside an OLED . . . . . . . . . . . . 152.4. Injection of charge carriers and charge transport in organic semicon-ductors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182.4.1. Charge carrier injection . . . . . . . . . . . . . . . . . . . . . . 182.4.2. Charge transport and its temperature dependence . . . . . . . . 212.5. OLED stacks, fabrication, sample structure, and basic characterization 222.6. Perception of light . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272.7.

Sujets

• Physik

Informations

• Publié par: universitat_augsburg
• Publié le: 01 janvier 2010
• Nombre de lectures: 31
• Langue: English
• Poids de l'ouvrage: 3 Mo

Extrait