Perovskite quantum dot lasers

Chen, Jie; Du, Wenna; Shi, Jianwei; Li, Meili; Wang, Yue; Zhang, Qing; Liu, Xinfeng

doi:10.1002/inf2.12051

Cited by 107 publications

(65 citation statements)

References 124 publications

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“…The plot of λ 2 /Δλ against the optical path ( L ) shows a linear relationship, indicating a WGM‐type resonance (Figure S7, Supporting Information). [ 33,34 ] To the best of our knowledge, the perovskite laser‐array performance reported herein is the best to date (Table S2, Supporting Information).…”

Section: Figurementioning

confidence: 98%

Controllable Growth of High‐Quality Inorganic Perovskite Microplate Arrays for Functional Optoelectronics

Zhou

Huang

et al. 2020

Advanced Materials

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CsPbX 3 single crystals for constructing high-performance integrated electronic and optoelectronic systems. [15][16][17] However, because of lattice mismatch and random nucleation, [18,19] it is difficult to grow arrays of CsPbX 3 microcrystals in the vapor phase with uniform morphology as well as controlled location and size. For example, lattice mismatch results in diverse crystal morphologies and large densities of crystalline defects, including stacking faults, screw dislocations, and crystal boundaries. [20,21] Random nucleation is a disadvantage in the precise control of crystal locations for device integration. [22,23] Hence, the controllable growth of highquality perovskite single crystals for a device is highly challenging. This significantly hinders the controllable production of high-performance perovskite singlecrystal devices in arrays for integrated electronic and optoelectronic systems. Herein, we report an effective strategy to control the vaporphase growth of high-quality cesium lead bromide perovskite (CsPbBr 3 ) microplate arrays with uniform morphology as well as controllable location and size. By introducing CsPbBr 3 seeds on substrates, intractable lattice mismatches and random nucleation barriers are surpassed, and the epitaxial growth of CsPbBr 3 crystals is accurately controlled. In contrast to conventional vapor-phase growth methods, the as-prepared CsPbBr 3 single crystals can be selectively grown with uniform morphology as well as controlled location and size. Optical and electronic characterizations demonstrate that the CsPbBr 3 microplates exhibit a lower trap density and an enhancement in carrier lifetime exceeding 300% compared with those of conventional methods. The CsPbBr 3 microplate arrays were monolithically grown on silicon, demonstrating excellent lasing performance with the highest quality factor (Q factor) of ≈6806 and the narrowest full-width at half-maximum (FWHM) of ≈0.08 nm, which is the best laser performance among the reported perovskite singlecrystal arrays. Furthermore, the CsPbBr 3 microplate array was directly grown on a quartz glass for the scalable fabrication of high-performance photodetectors. This strategy allows the growth of high-quality CsPbBr 3 microplates with controllable size and location, thereby providing new opportunities for the construction of high-performance optoelectronic devices.To selectively grow CsPbBr 3 microplate arrays in the vapor phase, we first fabricated CsPbBr 3 seeds on silicon using our Inorganic perovskite single crystals have emerged as promising vapor-phase processable structures for optoelectronic devices. However, because of material lattice mismatch and uncontrolled nucleation, vapor-phase methods have been restricted to random distribution of single crystals that are difficult to perform for integrated device arrays. Herein, an effective strategy to control the vapor-phase growth of high-quality cesium lead bromide perovskite (CsPbBr 3 ) microplate arrays with uniform morphology as well as controlled location and size is r...

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Section: Figurementioning

confidence: 98%

Controllable Growth of High‐Quality Inorganic Perovskite Microplate Arrays for Functional Optoelectronics

Zhou

Huang

et al. 2020

Advanced Materials

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“…Plasmonic nanocavity, composed of metal structures, can realize the localization of electromagnetic field energy, improve the electric field strength, and enhance the linear and nonlinear optical effects. [20][21][22] By coupling TMD materials to plasmonic nanocavity, certain specific optical properties can be obtained through light-matter interaction, such as strong enhancement of Raman scattering, [23] photoluminescence (PL), [24] second harmonic generation (SHG), [25,26] and plasmon-exciton coupling. [27,28] Flexible control of light-matter interaction in TMD materials is a key issue in the research and development of next-generation optoelectronic devices.…”

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confidence: 99%

Enhanced Trion Emission and Carrier Dynamics in Monolayer WS₂ Coupled with Plasmonic Nanocavity

Shi

Zhu

et al. 2020

Advanced Optical Materials

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room temperature owing to the strong geometrical confinement and weak dielectric screening. [3] Moreover, excitons can further bind an electron or a hole to form charged excitons that are also called as trions. [4] The rich excitonic physics and complex excitonic dynamics have motivated extensive studies devoted to the fundamental understanding of the novel photophysics of TMDs. [5] Owing to the crucial application prospects of trions in light-emitting diodes (LEDs) and valleytronic devices, [6] the study of trion emission in TMDs is of great significance for the development of 2D materials to fabricate advanced photonics and optoelectronic devices. [7] Trions composed of three charged particles often show properties that are different from excitons properties, such as easy manipulation by electric field and high degree of valley polarization. [8,9] Thus, it is meaningful to control the emission of various quasi-particles. [10] Some previous researchers have demonstrated that trion emission is determined by the concentration of excess electrons or holes. [11] Further, trion emission can be controlled by several methods, such as chemical doping, [12,13] electrical tuning, [14,15] substrate effect, [16] surface functionalization, [17] dynamic photoionization of neutral donors, [18] and electrons transfer in TMD heterostructures. [19]

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“…In addition to the nanolasers based on the individual nanostructured devices, a photonic cavity can also utilize external optical cavities, including SiO 2 spheres [17,18], distributed Bragg reflector (DBR) [14,19], photonic crystal (PC) [7,20] and so on, which increased the versatility of nanolaser configurations. Due to the rapid progress, substantial reviews on the perovskite lasing have been carried out, including those on quantum dots, NW and NP lasers [15,[21][22][23][24][25].…”

Section: Introductionmentioning

confidence: 99%

Advances in inorganic and hybrid perovskites for miniaturized lasers

Liu

Huang

et al. 2020

Nanophotonics

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AbstractThe rapid advancement of perovskite-based optoelectronics devices has caught the world’s attention due to their outstanding properties, such as long carrier lifetime, low defect trap density, large absorption coefficient, narrow linewidth and high optical gain. Herein, the photonic lasing properties of perovskites are reviewed since the first stimulated emission of perovskites observed in 2014. The review is mainly focused on 3D structures based on their inherently active microcavities and externally passive microcavities of the perovskites. First, the fundamental properties in terms of crystal structure and optical characteristics of perovskites are reviewed. Then the perovskite lasers are classified into two sections based on the morphology features: the ability/inability to support lasing behaviors by themselves. Every section is further divided into two kinds of cavities according to the light reflection paths (Standing wave for the Fabry–Pérot cavity and travelling wave for the Whispering-Gallery-Mode cavity). The lasing performance involves fabrication methods, cavity sizes, thresholds, quality factors, pumping sources, etc. Finally, some challenges and prospects for perovskite lasers are given.

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Perovskite quantum dot lasers

Cited by 107 publications

References 124 publications

Controllable Growth of High‐Quality Inorganic Perovskite Microplate Arrays for Functional Optoelectronics

Controllable Growth of High‐Quality Inorganic Perovskite Microplate Arrays for Functional Optoelectronics

Enhanced Trion Emission and Carrier Dynamics in Monolayer WS₂ Coupled with Plasmonic Nanocavity

Advances in inorganic and hybrid perovskites for miniaturized lasers

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Perovskite quantum dot lasers

Cited by 107 publications

References 124 publications

Controllable Growth of High‐Quality Inorganic Perovskite Microplate Arrays for Functional Optoelectronics

Controllable Growth of High‐Quality Inorganic Perovskite Microplate Arrays for Functional Optoelectronics

Enhanced Trion Emission and Carrier Dynamics in Monolayer WS2 Coupled with Plasmonic Nanocavity

Advances in inorganic and hybrid perovskites for miniaturized lasers

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Enhanced Trion Emission and Carrier Dynamics in Monolayer WS₂ Coupled with Plasmonic Nanocavity