Potassium-Induced Passivation of Deep Traps in Bismuth-Doped Hybrid Lead Bromide Perovskite Nanocrystals: Massive Amplification of Photoluminescence Quantum Yield

2020 ◽  
pp. 546-551
Author(s):  
Shovon Chatterjee ◽  
Mainak Ghosal ◽  
Khushubo Tiwari ◽  
Pratik Sen
Keyword(s):  
Quantum Yield ◽  
Perovskite Nanocrystals ◽  
Photoluminescence Quantum Yield ◽  
Deep Traps ◽  
Lead Bromide

A new route for the shape differentiation of cesium lead bromide perovskite nanocrystals with near-unity photoluminescence quantum yield

Nanoscale ◽  
2020 ◽  
Vol 12 (32) ◽  
pp. 17053-17063
Author(s):  
Roberto Grisorio ◽  
Daniele Conelli ◽  
Rosa Giannelli ◽  
Elisabetta Fanizza ◽  
Marinella Striccoli ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Perovskite Nanocrystals ◽  
Photoluminescence Quantum Yield ◽  
Chemical Approach ◽  
Lead Bromide ◽  
Shape Differentiation ◽  
Shape Modulation

Engineering the chemical approach for obtaining cesium lead bromide perovskite nanocrystals allows their shape modulation while maintaining their near-unity photoluminescence quantum yield.

scholarly journals Size-tunable and stable cesium lead-bromide perovskite nanocubes with near-unity photoluminescence quantum yield

2021 ◽  
Author(s):  
Roberto Grisorio ◽  
Daniele Conelli ◽  
Elisabetta Fanizza ◽  
Marinella Striccoli ◽  
Davide Altamura ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Ideal Class ◽  
Perovskite Nanocrystals ◽  
Emission Profile ◽  
Stable Cesium ◽  
Photoluminescence Quantum Yield ◽  
Lead Bromide ◽  
Narrow Emission ◽  
Fluorescence Peak ◽  
The Ideal

Stable cesium lead bromide perovskite nanocrystals (NCs) showing near-unity photoluminescence quantum yield (PLQY), narrow emission profile, and tunable fluorescence peak in the green region can be considered the ideal class...

Promote doping efficiency and photoluminescence quantum yield of Mn-doped perovskite nanocrystals via two-step hot-injection

2021 ◽  
Author(s):  
Yacong Li ◽  
Chuying Wang ◽  
Guangcai Hu ◽  
Wen Meng ◽  
Shiqi Sui ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Ultraviolet Light ◽  
Injection Strategy ◽  
Mn Doping ◽  
Perovskite Nanocrystals ◽  
Orange Emission ◽  
Photoluminescence Quantum Yield ◽  
Bright Orange ◽  
Hot Injection ◽  
Mn Doped

Manganese doped perovskite nanocrystals (NCs) have been synthesized by a novel two-step hot injection strategy with an unprecedented Mn doping efficiency of 48.5%, bright orange emission under ultraviolet light and...

The postsynthetic anion exchange of CsPbI3 nanocrystals for photoluminescence tuning and enhanced quantum efficiency

2020 ◽  
Vol 8 (35) ◽  
pp. 12302-12307 ◽  
Author(s):  
Xuyuan Bao ◽  
Mingze Li ◽  
Jing Zhao ◽  
Zhiguo Xia
Keyword(s):  
Quantum Yield ◽  
Anion Exchange ◽  
Quantum Efficiency ◽  
Exchange Method ◽  
Perovskite Nanocrystals ◽  
Photoluminescence Quantum Yield

We propose a postsynthetic anion exchange method via ZnBr2 addition to enhance photoluminescence quantum yield and stability of CsPbI3 perovskite nanocrystals.

scholarly journals Near-Unity Photoluminescence Quantum Yield in CsPbBr3 Nanocrystal Solid-State Films via Postsynthesis Treatment with Lead Bromide

2017 ◽  
Vol 29 (18) ◽  
pp. 7663-7667 ◽  
Author(s):  
Francesco Di Stasio ◽  
Sotirios Christodoulou ◽  
Nengjie Huo ◽  
Gerasimos Konstantatos
Keyword(s):  
Solid State ◽  
Quantum Yield ◽  
Photoluminescence Quantum Yield ◽  
Lead Bromide
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