Self-Trapped Excitons in All-Inorganic Halide Perovskites: Fundamentals, Status, and Potential Applications
Wuhan National Laboratory for Optoelectronics · Huazhong University of Science and Technology
Abstract
Photoluminescence is a radiative recombination process of electron–hole pairs. Self-trapped excitons (STEs), occurring in a material with soft lattice and strong electron–phonon coupling, emit photons with broad spectrum and large Stokes shift. Recently, series halide perovskites with efficient STE emission have been reported and showed promise for solid-state lighting. In this Perspective, we present an overview of various photoluminescence phenomena with the emphasis on the mechanism and characteristics of emission derived from STEs. This is followed by the introduction of STE emission in hybrid halide perovskites. We then introduce all-inorganic STE emitters and focus in particular on the mechanism of STEs…
Citation impact
- FWCI
- 44.92
- Percentile
- 100%
- References
- 59
Authors
4- SLShunran Li
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology
- JLJiajun Luo
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology
- JLJing Liu
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology
- JTJiang TangCorresponding
Wuhan National Laboratory for Optoelectronics, Huazhong University of Science and Technology
Topics & keywords
- Photoluminescence
- Perovskite (structure)
- Exciton
- Electroluminescence
- Halide
- Materials science
- Spontaneous emission
- Optoelectronics
- Affordable and clean energy