Development of High Performance Organic-inorganic Halide Perovskite Optoelectronic Devices Via Morphological and Interfacial Manipulation

Download or read book Development of High Performance Organic-inorganic Halide Perovskite Optoelectronic Devices Via Morphological and Interfacial Manipulation written by Ting Zhao and published by . This book was released on 2019 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: Organic-inorganic halide perovskites (OIHPs) have emerged as excellent solution processable semiconductors for a new generation of potentially printable and efficient optoelectronic devices in recent years, including photodetection, energy harvesting, and light-emitting devices. The rise to prominence for this class of materials is fueled by their superior properties, such as tunable bandgap, high carrier mobility, outstanding optoelectronic merits, and low-cost solution processability. Given all exciting properties, solution-processed perovskite thin film also shows very challenging characteristics including difficult morphology control and substantial defects at film surface and grain boundaries (GBs). In this dissertation, integrated morphological and interfacial approaches have been utilized to overcome the above-mentioned challenges and further enhance performance of OIHP optoelectronic devices. Chapter 1 briefly overviews basics of perovskite material, current status of various perovskite optoelectronic devices, and remaining challenges for obtaining high quality solution processed perovskite thin film. Chapter 2 introduces common experimental details involved in this work including material preparation, material property characterization, device fabrication and performance test. Chapter 3 demonstrates a fast (