Structural and optoelectronic properties, phase transitions, and degradation of semiconducting CsPbI3-perovskite thin films for photovoltaics / by Pascal Becker ; Helmholtz Zentrum Berlin, Bergische Universität Wuppertal. Wuppertal, 2019
Inhalt
- 1 Introduction
- 2 Material Background, Sample Preparation and Characterization Techniques
- 2.1 Fully Inorganic CsPbI3-Perovskite
- 2.2 Characterization Techniques
- 2.3 Evaporation Chamber with In-Situ Characterization
- 2.4 CsPbI3 Thin-Film Preparation and Application
- 3 Growth and Physical Properties of Co-Evaporated CsPbI3 Thin-Films
- 3.1 Sample Preparation Procedure and Appearance
- 3.2 Elemental Composition
- 3.3 Crystal Structure
- 3.4 Surface Morphology
- 3.5 In-Situ Monitoring of Optical Properties During the Deposition
- 4 Optoelectronic Properties of As-Deposited Films
- 4.1 Optical Properties
- 4.2 Charge Carrier Generation and Recombination
- 4.3 Charge Carrier Dynamics
- 4.4 Application in Photovoltaic Devices - Solar Cell Performance
- 5 High Temperature Phase Transition
- 5.1 Annealing Procedure
- 5.2 In-Situ Monitoring of the Optical Reflection
- 5.3 Elemental Composition
- 5.4 Crystal Structure
- 5.5 Surface Morphology
- 5.6 Optoelectronic Properties
- 6 Degradation Causes and Principle
- 6.1 In-Situ Monitoring of the Crystal Structure During Degradation
- 6.2 In-Situ Reflection Imaging during Degradation
- 6.3 Causes and Model of the Degradation Process
- 6.4 Optical Properties after Degradation
- 7 Conclusions
- 8 Outlook
- 9 References
- A Appendix
- B Appendix