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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

A Supported Bismuth Halide Perovskite Photocatalyst for Selective Aliphatic and Aromatic C-H Bond Activation.

TL;DR: Stable, lead‐free, Cs3Bi2Br9 halide perovskites are integrated within the pore channels of mesoporous SBA‐15 silica and demonstrate their photocatalytic potentials for C−H bond activation, showing excellent selectivity towards aldehydes and ketones under visible‐light irradiation.
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Monoammonium Porphyrin for Blade-Coating Stable Large-Area Perovskite Solar Cells with >18% Efficiency.

TL;DR: This research presents a facile way to achieve the synergistic effect of large-area coating, morphology tailoring, and defect suppression based on the molecular encapsulation strategy for perovskite films, further improving the photovoltaic performance and stability of PSCs.
Journal ArticleDOI

All-Inorganic Lead-Free Cs2PdX6 (X = Br, I) Perovskite Nanocrystals with Single Unit Cell Thickness and High Stability

TL;DR: In this article, a lead-free Cs2PdBr6 perovskite nanocrystal was synthesized without the assistance of a long-chain organic ligand, and the charge carrier dynamics were analyzed via time-resolved photoluminescence decay and transient absorption spectroscopy to guide forthcoming material optimizations.
Journal ArticleDOI

Perovskite Quantum Dot Solar Cells with 15.6% Efficiency and Improved Stability Enabled by an α-CsPbI3/FAPbI3 Bilayer Structure

TL;DR: In this paper, the authors developed lead halide perovskite quantum dot (QD) solar cells with a combinational absorbing layer based on stacked α-CsPbI3 and FAPbI4.
Journal ArticleDOI

Surface Ligand Management Aided by a Secondary Amine Enables Increased Synthesis Yield of CsPbI3 Perovskite Quantum Dots and High Photovoltaic Performance

TL;DR: The treatment of a secondary amine, di-n-propylamine (DPA), provides a mild and efficient approach to control the surface ligand density of PQDs, leading to improved charge transport, reduced carrier recombination, and a high power conversion efficiency approaching 15% for CsPbI3 -PQD-based solar cells.
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