|About this Abstract
||Materials Science & Technology 2019
||Controlled Synthesis, Processing, and Applications of Structural and Functional Nanomaterials
||Epitaxial Growth of Soft Perovskites and the Hidden Carrier Dynamics
||Jie Jiang, Yiping Wang, Jing Feng, Jian Shi
|On-Site Speaker (Planned)
High-temperature vapor phase epitaxy (VPE) has been proved ubiquitously powerful in enabling high-performance electro-optic devices in III–V semiconductor field. A typical example is the successful growth of p-type GaN by VPE for blue light-emitting diodes. VPE excels as it controls film defects such as point/interface defects and grain boundary, thanks to its high-temperature processing condition and controllable deposition rate. In this talk, we will present single-crystalline high-temperature VPE soft halide perovskite thin film as a unique platform on unveiling previously uncovered carrier dynamics in inorganic halide perovskites. Hot photoluminescence and nanosecond photo-Dember effect are revealed in inorganic halide perovskite. These two phenomena suggest that inorganic halide perovskite could be as compelling as its organic–inorganic counterpart regarding optoelectronic properties and help explain the long carrier lifetime in halide perovskite. The findings suggest a new avenue on developing high-quality large-scale single-crystalline halide perovskite films requiring precise control of defects and morphology.
||Definite: At-meeting proceedings