High-efficiency and stable photoluminescence of CH3NH3PbBr3@CsPbBr3 perovskite quantum dots

2021 ◽  
Author(s):  
Yajing Wang ◽  
Ahui Li ◽  
Yizhen Hu ◽  
Yanping Bao ◽  
Yongfan Zhang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Crystal Structures ◽  
High Efficiency ◽  
Perovskite Quantum Dots ◽  
Cspbbr3 Quantum Dots ◽  
Enhanced Stability

CH3NH3PbBr3@CsPbBr3 quantum dots were prepared by epitaxially growing CsPbBr3 shell on the surface of CH3NH3PbBr3 due to the similar crystal structures. The inorganic CsPbBr3 shell provides the enhanced stability for...

Armor-Like Passivated CsPbBr3 Quantum Dots: Boosted Stability with Hand-in-Hand Ligands and Enhanced Performance of Nuclear Battery

2021 ◽  
Author(s):  
Haibo Zeng ◽  
Dandan Yang ◽  
Zhiheng Xu ◽  
Chunhui Gong ◽  
Xiaoming Li ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Inorganic Perovskite ◽  
Surface Ligands ◽  
Perovskite Quantum Dots ◽  
Stability Issue ◽  
The Stability ◽  
Nuclear Battery ◽  
Cspbbr3 Quantum Dots

One of the main reasons for the stability issue of inorganic perovskite quantum dots (PQDs) is the fragile protection of surface ligands. Here, an armor-like passivation strategy is proposed to...

scholarly journals Enabling Tailorable Optical Properties and Markedly Enhanced Stability of Perovskite Quantum Dots by Permanently Ligating with Polymer Hairs

2019 ◽  
pp. 1901602 ◽  
Author(s):  
Young Jun Yoon ◽  
Yajing Chang ◽  
Shuguang Zhang ◽  
Meng Zhang ◽  
Shuang Pan ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Optical Properties ◽  
Perovskite Quantum Dots ◽  
Enhanced Stability

scholarly journals Lead-free, stable, high-efficiency (52%) blue luminescent FA3Bi2Br9 perovskite quantum dots

2020 ◽  
Vol 5 (3) ◽  
pp. 580-585 ◽  
Author(s):  
Yalong Shen ◽  
Jun Yin ◽  
Bo Cai ◽  
Ziming Wang ◽  
Yuhang Dong ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Room Temperature ◽  
High Efficiency ◽  
Blue Emission ◽  
Lead Free ◽  
Photoluminescence Quantum Yield ◽  
Perovskite Quantum Dots ◽  
First Time

Lead-free Bi-based perovskite FA3Bi2X9 (X = Cl, Br, and I) quantum dots (QDs) are synthesized for the first time at room temperature. The ligand-passivated FA3Bi2Br9 QDs exhibit blue emission at 437 nm with photoluminescence quantum yield (PLQY) up to 52%.

Polysalt ligands achieve higher quantum yield and improved colloidal stability for CsPbBr3 quantum dots

Nanoscale ◽  
2021 ◽  
Author(s):  
Sisi Wang ◽  
Liang Du ◽  
Selin Donmez ◽  
Yan Xin ◽  
Hedi Mattoussi
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Colloidal Stability ◽  
Semiconductor Nanocrystals ◽  
Perovskite Quantum Dots ◽  
Halide Perovskite ◽  
Colloidal Lead ◽  
Optoelectronic Applications ◽  
Cspbbr3 Quantum Dots ◽  
Lead Halide

Colloidal lead halide perovskite quantum dots (PQDs) are relatively new semiconductor nanocrystals with great potential for use in optoelectronic applications.

Encapsulation of Lead Halide Perovskite Quantum Dots in Mesoporous NaYF4 Matrices with Enhanced Stability for Anti-Counterfeiting

2021 ◽  
Author(s):  
Hailin Che ◽  
Peipei Dang ◽  
Yi Wei ◽  
Ziyong Cheng ◽  
Jun Lin
Keyword(s):  
Quantum Dots ◽  
Optoelectronic Properties ◽  
Large Potential ◽  
Perovskite Quantum Dots ◽  
Halide Perovskite ◽  
Lead Halide ◽  
Enhanced Stability

All-inorganic cesium lead halide (CsPbX3, X = Cl, Br, I) perovskite quantum dots (PQDs) have large potential of application due to their unique optoelectronic properties. However, poor luminescence stability affected...

Sign in / Sign up

Export Citation Format

Share Document