A zero-dimensional hybrid lead perovskite with highly efficient blue-violet light emission

2020 ◽  
Vol 8 (34) ◽  
pp. 11890-11895 ◽  
Author(s):  
Chen Sun ◽  
Kuan Jiang ◽  
Meng-Fei Han ◽  
Mei-Jun Liu ◽  
Xi-Kai Lian ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Light Emission ◽  
Violet Light ◽  
Highly Efficient ◽  
Photoluminescence Quantum Yield

By using a structural slicing strategy toward 3D CsPbCl3, we successfully constructed the first 0D perovskite displaying the highest-energy blue-violet light emission (392 nm) with improved photoluminescence quantum yield ranging from <5% to 21.3%.

scholarly journals Air stable and highly efficient Bi3+-doped Cs2SnCl6 for blue light-emitting diodes

RSC Advances ◽  
2021 ◽  
Vol 11 (42) ◽  
pp. 26415-26420
Author(s):  
Yue Yao ◽  
Si-Wei Zhang ◽  
Zijian Liu ◽  
Chun-Yun Wang ◽  
Ping Liu ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Blue Light ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Color Coordinates ◽  
Blue Led ◽  
Highly Efficient ◽  
Photoluminescence Quantum Yield ◽  
Long Life

A Bi3+-doped Cs2SnCl6 exhibits photoluminescence at around 456 nm and a photoluminescence quantum yield of 31%. The blue LED based on the Bi3+-doped Cs2SnCl6 phosphor exhibits a long life of 120 hours and a CIE color coordinates of (0.14, 0.11).

Combinatorial donor engineering for highly efficient blue thermally activated delayed fluorescence emitters with low efficiency roll-off

2021 ◽  
Author(s):  
Dong Jin Shin ◽  
Jun Seop Lim ◽  
Jun Yeob Lee
Keyword(s):  
Quantum Yield ◽  
Delayed Fluorescence ◽  
Intersystem Crossing ◽  
Thermally Activated Delayed Fluorescence ◽  
Thermally Activated ◽  
Highly Efficient ◽  
Photoluminescence Quantum Yield ◽  
Low Efficiency

A thermally activated delayed fluorescence (TADF) molecule with high reverse intersystem crossing rate accompanied by high photoluminescence quantum yield was developed by combinatorial donor engineering of bicarbazole and 12H-benzofuro[3,2-a]carbazole. The...

Highly efficient self-trapped exciton emission in a one-dimensional face-shared hybrid lead bromide

2021 ◽  
Author(s):  
Zhikai Qi ◽  
Yali Chen ◽  
Yao Guo ◽  
Xuelian Yang ◽  
Huizhi Gao ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Light Emission ◽  
Yellow Light ◽  
Exciton Emission ◽  
One Dimensional ◽  
Highly Efficient ◽  
Lead Bromide ◽  
Dimensional Face

A new one-dimensional face-shared hybrid lead bromide exhibits highly efficient broadband yellow-light emission with a quantum yield of 16.8%.

Enhancement Mechanism of the Photoluminescence Quantum Yield in Highly Efficient ZnS–AgIn5S8 Quantum Dots with Core/Shell Structures

2018 ◽  
Vol 122 (18) ◽  
pp. 10125-10132 ◽  
Author(s):  
Seonghyun Jeong ◽  
Soyeon Yoon ◽  
So Yeon Chun ◽  
Hee Chang Yoon ◽  
Noh Soo Han ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Shell Structures ◽  
Core Shell ◽  
Enhancement Mechanism ◽  
Highly Efficient ◽  
Photoluminescence Quantum Yield

Synthesis of graphene oxide dots for excitation-wavelength independent photoluminescence at high quantum yields

2015 ◽  
Vol 3 (17) ◽  
pp. 4553-4562 ◽  
Author(s):  
Chiao-Yi Teng ◽  
Te-Fu Yeh ◽  
Kuang-I Lin ◽  
Shean-Jen Chen ◽  
Masahiro Yoshimura ◽  
...  
Keyword(s):  
Graphene Oxide ◽  
Quantum Yield ◽  
White Light ◽  
Light Emission ◽  
Quantum Yields ◽  
Excitation Wavelength ◽  
Nitrogen Doped ◽  
Violet Light ◽  
Nitrogen Doped Graphene ◽  
Doped Graphene

Nitrogen-doped graphene oxide dots exhibit excitation-wavelength independent photoluminescence at 530 nm and 50% quantum yield. The dots show excellent white light emission by combining green emissions with violet light used for excitation.

High photoluminescence quantum yield of 18.7% by using nitrogen-doped Ti3C2 MXene quantum dots

2018 ◽  
Vol 6 (24) ◽  
pp. 6360-6369 ◽  
Author(s):  
Quan Xu ◽  
Lan Ding ◽  
Yangyang Wen ◽  
Wenjing Yang ◽  
Hongjun Zhou ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
White Light ◽  
Light Emission ◽  
2D Materials ◽  
White Light Emission ◽  
Two Dimensional ◽  
Nitrogen Doped ◽  
Photoluminescence Quantum Yield

Quantum dots, derived from two-dimensional (2D) materials, have shown promising applications in bioimaging, photocatalysis, biosensors and white light emission devices (W-LEDs).

scholarly journals Robustness to High Temperatures of Al2O3-Coated CsPbBr3 Nanocrystal Thin Films with High-Photoluminescence Quantum Yield for Light Emission

2020 ◽  
Vol 3 (8) ◽  
pp. 8167-8175
Author(s):  
Milan Palei ◽  
Muhammad Imran ◽  
Giulia Biffi ◽  
Liberato Manna ◽  
Francesco Di Stasio ◽  
...  
Keyword(s):  
Thin Films ◽  
Quantum Yield ◽  
High Temperatures ◽  
Light Emission ◽  
Photoluminescence Quantum Yield

scholarly journals Engineering Sr-doping for enabling long-term stable FAPb1−xSrxI3 quantum dots with 100% photoluminescence quantum yield

2021 ◽  
Vol 9 (5) ◽  
pp. 1555-1566
Author(s):  
Andrés F. Gualdrón-Reyes ◽  
David F. Macias-Pinilla ◽  
Sofia Masi ◽  
Carlos Echeverría-Arrondo ◽  
Said Agouram ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Toxic Metals ◽  
Environmentally Friendly ◽  
Photoluminescence Quantum Yield ◽  
Improved Performance ◽  
Pb Substitution

The Pb substitution in quantum dots (PQDs) with lesser toxic metals has been widely searched to be environmentally friendly, and be of comparable or improved performance compared to the lead-perovskite.

Superior Stable and High Quantum Yield Phosphor Na2BaSr(PO4)2: Eu2+ for Plant Growth LEDs

2021 ◽  
Author(s):  
Jinmeng Xiang ◽  
Xiaoqi Zhao ◽  
Hao Suo ◽  
Minkun Jin ◽  
Xue Zhou ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Plant Growth ◽  
Light Emitting Diodes ◽  
Light Environment ◽  
High Quantum Yield ◽  
Light Emitting ◽  
Growth Rhythm ◽  
High Quantum ◽  
Violet Light ◽  
Important Means

Controlling the light environment of plant growth using phosphor-converted light-emitting diodes (pc-LEDs) is an important means to regulate the growth rhythm and enhance the yield, in which bluish violet light...

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