The top-down synthesis of single-layered Cs4CuSb2Cl12 halide perovskite nanocrystals for photoelectrochemical application

Nanoscale ◽  
2019 ◽  
Vol 11 (12) ◽  
pp. 5180-5187 ◽  
Author(s):  
Xu-Dong Wang ◽  
Nai-Hua Miao ◽  
Jin-Feng Liao ◽  
Wen-Qian Li ◽  
Yao Xie ◽  
...  
Keyword(s):  
Liquid Phase ◽  
Lead Free ◽  
Top Down ◽  
Perovskite Nanocrystals ◽  
Halide Perovskite ◽  
First Time

Herein, lead-free single-layered Cs4CuSb2Cl12 and Cs3M2X9 (X = Cl, Br, I; M = Sb, Bi) perovskite NCs have been prepared for the first time via a top-down liquid-phase ultrasonic exfoliation technique.

Highly Emissive Halide Perovskite Nanocrystals: From Lead to Lead-Free

CrystEngComm ◽  
2021 ◽  
Author(s):  
Chunlong Li ◽  
Jie Li ◽  
Zhengping Li ◽  
Huayong Zhang ◽  
Yangyang Dang ◽  
...  
Keyword(s):  
Charge Carriers ◽  
Lead Free ◽  
Quantum Yields ◽  
Local Management ◽  
Perovskite Nanocrystals ◽  
Halide Perovskites ◽  
Halide Perovskite

Nanostructured halide perovskites have highly yielded record LEDs due to their higher versatility in the local management of charge carriers, which has enabled photoluminescence quantum yields (PLQYs) close to 100%....

Synthesis and CO2 Photoreduction of Lead-Free Cesium Bismuth Halide Perovskite Nanocrystals

2021 ◽  
Author(s):  
Daofu Wu ◽  
Xusheng Zhao ◽  
Yanyi Huang ◽  
Junan Lai ◽  
Jiayu Yang ◽  
...  
Keyword(s):  
Lead Free ◽  
Co2 Photoreduction ◽  
Perovskite Nanocrystals ◽  
Halide Perovskite

CsPbX3/Cs4PbX6 core/shell perovskite nanocrystals

2018 ◽  
Vol 54 (49) ◽  
pp. 6300-6303 ◽  
Author(s):  
Chao Jia ◽  
Hui Li ◽  
Xianwei Meng ◽  
Hongbo Li
Keyword(s):  
Core Shell ◽  
Seeded Growth ◽  
Perovskite Nanocrystals ◽  
Halide Perovskite ◽  
Growth Approach ◽  
First Time ◽  
Lead Halide

The synthesis of 3D/0D core/shell lead halide perovskite nanocrystals has been realized using the seeded growth approach for the first time.

Top-Down Fabrication of Stable Methylammonium Lead Halide Perovskite Nanocrystals by Employing a Mixture of Ligands as Coordinating Solvents

2017 ◽  
Vol 56 (32) ◽  
pp. 9571-9576 ◽  
Author(s):  
He Huang ◽  
Qi Xue ◽  
Bingkun Chen ◽  
Yuan Xiong ◽  
Julian Schneider ◽  
...  
Keyword(s):  
Top Down ◽  
Perovskite Nanocrystals ◽  
Halide Perovskite ◽  
Lead Halide ◽  
Mixture Of Ligands

scholarly journals Moisture-assisted Near-UV Emission Enhancement of Lead-free Cs4CuIn2Cl12 Double Perovskite Nanocrystals

2021 ◽  
Author(s):  
Maning Liu ◽  
Sri Kasi Matta ◽  
Anastasia Matuhina ◽  
G. Krishnamurthy Grandhi ◽  
Harri Ali-Löytty ◽  
...  
Keyword(s):  
Double Perovskite ◽  
Lead Free ◽  
Colloidal Synthesis ◽  
Morphological Transformation ◽  
Perovskite Nanocrystals ◽  
Uv Emission ◽  
Radiative Transitions ◽  
Emission Enhancement ◽  
Wide Range ◽  
Halide Perovskite

Lead-based halide perovskite nanocrystals (NCs) are recognized as emerging emissive materials with superior photoluminescence (PL) properties. However, the toxicity of lead and the swift chemical decomposition under atmospheric moisture severely hinder their commercialization process. Herein, we report the first colloidal synthesis of lead-free Cs4CuIn2Cl12 layered double perovskite NCs via a facile moisture-assisted hot-injection method stemming from relatively nontoxic precursors. While moisture is typically detrimental to NC synthesis, we demonstrate that the presence of water molecules in Cs4CuIn2Cl12 synthesis enhances the PL quantum yield (mainly in the near-UV range), induces a morphological transformation from 3D nanocubes to 2D nanoplatelets, and converts the dark transitions to radiative transitions for the observed self-trapped excitons relaxation. This work paves the way for further studies on the moisture-assisted synthesis of novel lead-free halide perovskite NCs for a wide range of applications.

scholarly journals Water-Assisted Synthesis of Lead-Free Cu Based Fluorescent Halide Perovskite Nanostructures

2021 ◽  
Author(s):  
Hari Shankar ◽  
Abha Jha ◽  
Prasenjit Kar
Keyword(s):  
Lead Free ◽  
Pb Toxicity ◽  
Perovskite Nanocrystals ◽  
Emission Properties ◽  
Commercial Use ◽  
Halide Perovskite ◽  
Lead Halide

Lead halide perovskite nanocrystals (NCs) are eminent for their emission properties, but lead (Pb) toxicity and moisture instability become an impediment to their commercial use. To resolve these obstacles and...

Lead‐Free, Air‐Stable All‐Inorganic Cesium Bismuth Halide Perovskite Nanocrystals

2017 ◽  
Vol 129 (41) ◽  
pp. 12645-12649 ◽  
Author(s):  
Bin Yang ◽  
Junsheng Chen ◽  
Feng Hong ◽  
Xin Mao ◽  
Kaibo Zheng ◽  
...  
Keyword(s):  
Lead Free ◽  
Perovskite Nanocrystals ◽  
Free Air ◽  
Halide Perovskite

scholarly journals Synthesis and optical properties of lead-free cesium germanium halide perovskite quantum rods

RSC Advances ◽  
2018 ◽  
Vol 8 (33) ◽  
pp. 18396-18399 ◽  
Author(s):  
Lin-Jer Chen
Keyword(s):  
Optical Properties ◽  
Lead Free ◽  
Solvothermal Process ◽  
Quantum Rods ◽  
Halide Perovskite ◽  
First Time

Herein, the fabrication of a lead-free cesium germanium halide perovskite produced via a simple solvothermal process is reported for the first time.

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