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Journal ArticleDOI

State of the Art and Prospects for Halide Perovskite Nanocrystals.

Amrita Dey, +78 more
- 27 Jul 2021 - 
- Vol. 15, Iss: 7, pp 10775-10981
TLDR
A comprehensive review of metal-halide perovskite nanocrystals can be found in this article, where researchers having expertise in different fields (chemistry, physics, and device engineering) have joined together to provide a state-of-the-art overview and future prospects of metalhalide nanocrystal research.
Abstract
Metal-halide perovskites have rapidly emerged as one of the most promising materials of the 21st century, with many exciting properties and great potential for a broad range of applications, from photovoltaics to optoelectronics and photocatalysis. The ease with which metal-halide perovskites can be synthesized in the form of brightly luminescent colloidal nanocrystals, as well as their tunable and intriguing optical and electronic properties, has attracted researchers from different disciplines of science and technology. In the last few years, there has been a significant progress in the shape-controlled synthesis of perovskite nanocrystals and understanding of their properties and applications. In this comprehensive review, researchers having expertise in different fields (chemistry, physics, and device engineering) of metal-halide perovskite nanocrystals have joined together to provide a state of the art overview and future prospects of metal-halide perovskite nanocrystal research.

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Citations
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Journal ArticleDOI

Colloidal Metal‐Halide Perovskite Nanoplatelets: Thickness‐Controlled Synthesis, Properties, and Application in Light‐Emitting Diodes

TL;DR: In this paper , the state-of-the-art in colloidal metal-halide perovskite nanocrystals (MHP NCs) is discussed, and the challenges associated with their thickness-controlled synthesis, environmental and thermal stability, and their application in making efficient LEDs are discussed.
Journal ArticleDOI

Controlling the nucleation and growth kinetics of lead halide perovskite quantum dots

TL;DR: In this paper , a room-temperature synthesis of monodisperse, isolable, spheroidal APbBr3 QDs with size tunable from 3 to > 13 nanometers was reported.
Journal ArticleDOI

Dual-Band-Tunable White-Light Emission from Bi3+/Te4+ Emitters in Perovskite-Derivative Cs2SnCl6 Microcrystals.

TL;DR: These findings provide not only new insights into the excited-state dynamics of Bi3+ and Te4+ in Cs2SnCl6, but also a general approach to achieve single-composition white-light emitters based on lead-free metal halides through ns2-metal ion co-doping.
Journal ArticleDOI

What Happens When Halide Perovskites Meet with Water?

TL;DR: In this paper , the degradation of halide perovskites upon water exposure has been intensively studied, resulting in chemical insights into key processes, including hydration, phase transformation, decomposition, and dissolution.
References
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Journal ArticleDOI

Stable Hexylphosphonate-Capped Blue-Emitting Quantum-Confined CsPbBr3 Nanoplatelets

TL;DR: It is shown that employing a short hexyl-phosphonate ligand in a heat-up colloidal approach for pure, blue-emitting quantum-confined CsPbBr3 NPLs significantly suppresses these coalescence phenomena compared to particles capped with the typical oleyammonium ligands.
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Stretchable Organometal-Halide-Perovskite Quantum-Dot Light-Emitting Diodes

TL;DR: A stretchable organometal-halide-perovskite quantum-dot LED with both high efficiency and mechanical compliancy is demonstrated, which can survive 1000 stretch-release cycles of 20% tensile strain with small fluctuations in electroluminescent performance.
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Excitons and Biexciton Dynamics in Single CsPbBr3 Perovskite Quantum Dots.

TL;DR: This work conducted spectroscopic studies of the excitons and biexciton dynamics in single CsPbBr3 perovskite quantum dots and found that while the rates of radiative recombination remain essentially constant, the overall relaxation process is dominated by nonradiative recombinations of single exciton and bIExcitons.
Journal ArticleDOI

Composition-Dependent Energy Splitting between Bright and Dark Excitons in Lead Halide Perovskite Nanocrystals

TL;DR: The findings suggest the possibility of manipulating dark exciton dynamics in perovskite semiconductor nanocrystals by composition engineering, which will be instrumental in the design of highly efficient light-emitting devices.
Journal ArticleDOI

Effect of Ion Migration-Induced Electrode Degradation on the Operational Stability of Perovskite Solar Cells.

TL;DR: In this paper, the operational environmental stability of methylammonium lead iodide perovskite solar cells that contain either an inorganic or organic hole blocking layer was investigated.
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