Journal
NANOPHOTONICS
Volume 10, Issue 8, Pages 2167-2180Publisher
WALTER DE GRUYTER GMBH
DOI: 10.1515/nanoph-2020-0630
Keywords
ASE; DBR; DFB; lasers; quasi-2D lead halide perovskite materials
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Funding
- National Natural Science Foundation of China [22075277]
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Quasi two-dimensional lead halide perovskite materials exhibit excellent performance in photoelectric devices, with flexible structure and quantum-well structures for efficient energy transfer and high exciton utilization, benefiting the performance of perovskite LEDs and lasers. The characteristics of bulky organic cations contribute to improved stability, moisture tolerance, and defects passivation.
Quasi two-dimensional (2D) lead halide perovskite materials have shown outstanding performance in various photoelectric devices, including perovskite light-emitting diodes (LEDs) and perovskite optical pumping lasers. Due to the structure diversity of bulky organic cation, the photoelectric property for quasi-2D perovskite materials is flexible to be tuned. The spontaneously formed quantum-well structures allow rapid and efficient energy funneling from low-n domains to high-n domains, contributing to high exciton utilization for perovskite LEDs and low threshold for amplified spontaneous emission (ASE) and optical pumping perovskite lasers. Moreover, the hydrophobic bulky organic cations benefit to improve the environmental and operating stability owning to the better moisture tolerance and defects passivation ability. In this review, we will primarily introduce the quasi-2D lead halide perovskite materials from the structure to their optical and electrical properties. Then, we will focus on the advances of optical pumping lasers based on quasi-2D lead halide perovskite materials as gain mediums. Especially, more attention will be paid to perovskite lasers using distributed feedback (DFB) and distributed Bragg reflector (DBR) cavities. Furthermore, the key issues to realize quasi-2D perovskite-based electrical pumping lasers will be discussed.
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