scholarly journals Organolead Halide Perovskite Nanocrystals: Branched Capping Ligands Control Crystal Size and Stability

2016 ◽  
Vol 128 (31) ◽  
pp. 9010-9014 ◽  
Author(s):  
Binbin Luo ◽  
Ying-Chih Pu ◽  
Sarah A. Lindley ◽  
Yi Yang ◽  
Liqiang Lu ◽  
...  
Keyword(s):  
Crystal Size ◽  
Perovskite Nanocrystals ◽  
Halide Perovskite ◽  
Organolead Halide ◽  
Capping Ligands

scholarly journals Organolead Halide Perovskite Nanocrystals: Branched Capping Ligands Control Crystal Size and Stability

2016 ◽  
Vol 55 (31) ◽  
pp. 8864-8868 ◽  
Author(s):  
Binbin Luo ◽  
Ying-Chih Pu ◽  
Sarah A. Lindley ◽  
Yi Yang ◽  
Liqiang Lu ◽  
...  
Keyword(s):  
Crystal Size ◽  
Perovskite Nanocrystals ◽  
Halide Perovskite ◽  
Organolead Halide ◽  
Capping Ligands

scholarly journals Tetradic phosphor white light with variable CCT and superlative CRI through organolead halide perovskite nanocrystals

2019 ◽  
Vol 1 (5) ◽  
pp. 1791-1798 ◽  
Author(s):  
Gopi C. Adhikari ◽  
Preston A. Vargas ◽  
Hongyang Zhu ◽  
Alexei Grigoriev ◽  
Peifen Zhu
Keyword(s):  
White Light ◽  
High Quality ◽  
Perovskite Nanocrystals ◽  
White Emission ◽  
Halide Perovskite ◽  
Organolead Halide

Exceptional CRI and variable CCT via fourfold phosphors to create a high-quality broadband white-emission with a controllable hue.

scholarly journals Unconventional route to dual-shelled organolead halide perovskite nanocrystals with controlled dimensions, surface chemistry, and stabilities

2019 ◽  
Vol 5 (11) ◽  
pp. eaax4424 ◽  
Author(s):  
Yanjie He ◽  
Young Jun Yoon ◽  
Yeu Wei Harn ◽  
Gill V. Biesold-McGee ◽  
Shuang Liang ◽  
...  
Keyword(s):  
Surface Chemistry ◽  
Colloidal Stability ◽  
Core Shell ◽  
Core Diameter ◽  
Perovskite Nanocrystals ◽  
The Past ◽  
Halide Perovskite ◽  
Conventional Methods ◽  
The Stability ◽  
Organolead Halide

The past few years have witnessed rapid advances in the synthesis of high-quality perovskite nanocrystals (PNCs). However, despite the impressive developments, the stability of PNCs remains a substantial challenge. The ability to reliably improve stability of PNCs while retaining their individual nanometer size represents a critical step that underpins future advances in optoelectronic applications. Here, we report an unconventional strategy for crafting dual-shelled PNCs (i.e., polymer-ligated perovskite/SiO2 core/shell NCs) with exquisite control over dimensions, surface chemistry, and stabilities. In stark contrast to conventional methods, our strategy relies on capitalizing on judiciously designed star-like copolymers as nanoreactors to render the growth of core/shell NCs with controlled yet tunable perovskite core diameter, SiO2 shell thickness, and surface chemistry. Consequently, the resulting polymer-tethered perovskite/SiO2 core/shell NCs display concurrently a stellar set of substantially improved stabilities (i.e., colloidal stability, chemical composition stability, photostability, water stability), while having appealing solution processability, which are unattainable by conventional methods.

Shape-controlled synthesis of organolead halide perovskite nanocrystals and their tunable optical absorption

2014 ◽  
Vol 1 (1) ◽  
pp. 015034 ◽  
Author(s):  
Zhenhua Chen ◽  
Hui Li ◽  
Yongbing Tang ◽  
Xing Huang ◽  
Derek Ho ◽  
...  
Keyword(s):  
Optical Absorption ◽  
Controlled Synthesis ◽  
Perovskite Nanocrystals ◽  
Shape Controlled ◽  
Halide Perovskite ◽  
Organolead Halide

Hollow Metal Halide Perovskite Nanocrystals with Efficient Blue Emissions

2019 ◽  
Author(s):  
Michael Worku ◽  
Yu Tian ◽  
Chenkun Zhou ◽  
Haoran Lin ◽  
Maya Chaaban ◽  
...  
Keyword(s):  
Precursor Solution ◽  
Visible Spectral Region ◽  
Metal Halide ◽  
Synthetic Control ◽  
Perovskite Nanocrystals ◽  
Highly Efficient ◽  
Quantum Confinement Effects ◽  
Metal Halide Perovskite ◽  
Lead Bromide ◽  
Halide Perovskite

Metal halide perovskite nanocrystals (NCs) have emerged as a new generation light emitting materials with narrow emissions and high photoluminescence quantum efficiencies (PLQEs). Various types of perovskite NCs, e.g. platelets, wires, and cubes, have been discovered to exhibit tunable emissions across the whole visible spectral region. Despite remarkable advances in the field of metal halide perovskite NCs over the last few years, many nanostructures in inorganic NCs have yet been realized in metal halide perovskites and producing highly efficient blue emitting perovskite NCs remains challenging and of great interest. Here we report for the first time the discovery of highly efficient blue emitting cesium lead bromide perovskite (CsPbBr3) NCs with hollow structures. By facile solution processing of cesium lead bromide perovskite precursor solution containing additional ethylenediammonium bromide and sodium bromide, in-situ formation of hollow CsPbBr3 NCs with controlled particle and pore sizes is realized. Synthetic control of hollow nanostructures with quantum confinement effects results in color tuning of CsPbBr3 NCs from green to blue with high PLQEs of up to 81 %.<br><div><br></div>

The role of surface chemical states on the photocatalytic behavior of all-inorganic mixed halide perovskite nanocrystals

2019 ◽  
Author(s):  
Andrés Fabián Gualdrón-Reyes ◽  
Iván Mora-Seró ◽  
Eliseo Amado-González ◽  
Jorge-Enrique Rueda-P ◽  
Rogelio Ospina ◽  
...  
Keyword(s):  
Surface Chemical ◽  
Perovskite Nanocrystals ◽  
Chemical States ◽  
Halide Perovskite

Bromopropane as a Novel Bromine Precursor for the Completely Amine Free Colloidal Synthesis of Ultra-Stable and Highly Luminescent Green-Emitting Cesium Lead Bromide (CsPbBr3) Perovskite Nanocrystals

Nanoscale ◽  
2021 ◽  
Author(s):  
Syed Akhil ◽  
V.G.Vasavi Dutt ◽  
Nimai Mishra
Keyword(s):  
Optoelectronic Devices ◽  
Colloidal Synthesis ◽  
Ambient Conditions ◽  
Active Materials ◽  
Perovskite Nanocrystals ◽  
Lead Bromide ◽  
Halide Perovskite ◽  
Lead Halide ◽  
Poor Stability

Recently lead halide perovskite nanocrystals (PNCs) have attracted intense interest as promising active materials for optoelectronic devices. However, their extensive applications are still hampered by poor stability in ambient conditions....

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