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.

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...

High-efficiency near-infrared fluorescent organic light-emitting diodes with small efficiency roll-off based on AIE-active phenanthro[9,10-d]imidazole derivatives

2020 ◽  
Vol 8 (20) ◽  
pp. 6883-6890 ◽  
Author(s):  
Futong Liu ◽  
Yongbo Tan ◽  
Hui Liu ◽  
Xiangyang Tang ◽  
Lei Gao ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Quantum Efficiency ◽  
External Quantum Efficiency ◽  
Near Infrared ◽  
High Efficiency ◽  
Organic Light Emitting Diodes ◽  
Strong Fluorescence ◽  
Light Emitting ◽  
Photoluminescence Quantum Yield ◽  
Organic Light

PIBz-3-PTZ exhibits strong fluorescence with a photoluminescence quantum yield of 35% in films. The nondoped device achieves a maximum external quantum efficiency of 2.02% peaking at 672 nm with small efficiency roll-off.

In situ synthesis of blue-emitting bromide-based perovskite nanoplatelets towards unity quantum efficiency and ultrahigh stability

2021 ◽  
Vol 9 (16) ◽  
pp. 5535-5543
Author(s):  
Hao Huang ◽  
Weiren Zhao ◽  
Huanxin Yang ◽  
Xiaoli Zhang ◽  
Jinnan Su ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Quantum Efficiency ◽  
In Situ Synthesis ◽  
Cross Linking ◽  
High Quality ◽  
Photoluminescence Quantum Yield

In situ cross-linking passivation strategy for high-quality perovskite nanoplatelets with unity photoluminescence quantum yield.

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