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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

Low threshold and efficient multiple exciton generation in halide perovskite nanocrystals.

TL;DR: Enhanced multiple exciton generation with lower threshold in intermediate-confined perovskite nanocrystals based on this effect is demonstrated, which may lead to the realization of next generation of solar cells and efficient optoelectronic devices.
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Thermal Conductivity of Methylammonium Lead Halide Perovskite Single Crystals and Thin Films: A Comparative Study

TL;DR: In this article, the thermal conductivity of methylammonium lead halide perovskite (CH3NH3PbX3 X= I, Br, and Cl) single crystals and thin films was analyzed by scanning near-field thermal microscopy.
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Band Gap Engineering in Cs2(NaxAg1-x)BiCl6 Double Perovskite Nanocrystals.

TL;DR: The tuning of band gap has been further explored by electronic structure calculation under the framework of density functional theory (DFT) and it is confirmed that the increase in band gap is due to reduction of Ag contribution near valence band maxima (VBM) on incorporation of Na ion in place of Ag.
Journal ArticleDOI

The Effect of Thermal Annealing on Charge Transport in Organolead Halide Perovskite Microplate Field-Effect Transistors.

TL;DR: The photoluminescence spectra essentially maintain the same features before and after the thermal annealing process, demonstrating that the charge transport measurement provides a sensitive way to probe low-concentration defects in perovskite materials.
Journal ArticleDOI

Lead-Free Perovskite Semiconductors Based on Germanium–Tin Solid Solutions: Structural and Optoelectronic Properties

TL;DR: In this article, a family of lead-free perovskite semiconductors with a favorable band-gap range for efficient single-junction solar cells is presented. But their performance is limited by the use of toxic lead.
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