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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

CsPbxMn1–xCl3 Perovskite Quantum Dots with High Mn Substitution Ratio

TL;DR: This work demonstrates the partial replacement of Pb with Mn through phosphine-free hot-injection preparation of CsPbxMn1-xCl3 QDs in colloidal solution, which greatly enhances the photoluminescence quantum yields of C sPbCl3 from 5 to 54%.
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Electronic structures of lead iodide based low-dimensional crystals

TL;DR: In this article, the electronic structures of three-dimensional and two-dimensional lead-halide-based crystals were investigated by photoelectron spectroscopy and band calculations using the linear combination of atomic orbitals within the density functional theory.
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Lasing from Semiconductor Quantum Rods in a Cylindrical Microcavity

TL;DR: In this article, the two-wave mixing is measured in a standard geometry (29) with the two beams having external angles of 30 and 60 to the sample normal and beam variance 1:1.
Journal ArticleDOI

Size Effects on the Optical Properties of Organic Nanoparticles

TL;DR: In this article, an extended charge transfer (CT) state stemming from PDDP molecules closely stacking in nanoparticles and observed its shift to the high-energy side with decreasing nanoparticle size due to exciton confinement.
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Nearly Monodisperse Insulator Cs4PbX6 (X=Cl, Br, I) Nanocrystals, Their Mixed Halide Compositions, and Their Transformation into CsPbX3 Nanocrystals

TL;DR: The insertion of PbX2 into Cs4Pb X6 provides a means of accessing CsPbX3 nanocrystals in a wide variety of sizes, shapes, and compositions, an important aspect for the development of precisely tuned perovskite nanocrystal inks.
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