scholarly journals Luminescence and photoelectrochemical properties of size-selected aqueous copper-doped Ag–In–S quantum dots

RSC Advances ◽  
2018 ◽  
Vol 8 (14) ◽  
pp. 7550-7557 ◽  
Author(s):  
Alexandra Raevskaya ◽  
Oksana Rozovik ◽  
Anastasiya Novikova ◽  
Oleksandr Selyshchev ◽  
Oleksandr Stroyuk ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Aqueous Solutions ◽  
Luminescence Quantum Yield ◽  
Photoelectrochemical Properties

Colloidal size-selected copper-doped Ag–In–S quantum dots were produced directly in aqueous solutions by fractionation/redispersion with a plethora of emission colors and a top luminescence quantum yield of around 60%.

Efficient and long-lifetime full-color light-emitting diodes using high luminescence quantum yield thick-shell quantum dots

Nanoscale ◽  
2017 ◽  
Vol 9 (36) ◽  
pp. 13583-13591 ◽  
Author(s):  
Huaibin Shen ◽  
Qingli Lin ◽  
Weiran Cao ◽  
Chenchen Yang ◽  
Nathan T. Shewmon ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Light Emitting Diodes ◽  
Luminescence Quantum Yield ◽  
Thick Shell ◽  
High Quantum Yield ◽  
Light Emitting ◽  
High Quantum ◽  
Full Color ◽  
Long Lifetime

Peak external quantum efficiencies (EQEs) of 10.2%, 15.4%, and 15.6% were achieved for red, green, and blue QLEDs, respectively, by using high quantum yield thick-shell QDs.

NIR-Emitting Colloidal Quantum Dots Having 26% Luminescence Quantum Yield in Buffer Solution

2007 ◽  
Vol 129 (23) ◽  
pp. 7218-7219 ◽  
Author(s):  
Sean Hinds ◽  
Stefan Myrskog ◽  
Larissa Levina ◽  
Ghada Koleilat ◽  
Jun Yang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Colloidal Quantum Dots ◽  
Luminescence Quantum Yield ◽  
Buffer Solution

Influence of Luminescence Quantum Yield, Surface Coating, and Functionalization of Quantum Dots on the Sensitivity of Time-Resolved FRET Bioassays

2013 ◽  
Vol 5 (8) ◽  
pp. 2881-2892 ◽  
Author(s):  
K. David Wegner ◽  
Phung Thi Lanh ◽  
Travis Jennings ◽  
Eunkeu Oh ◽  
Vaibhav Jain ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Yield Surface ◽  
Surface Coating ◽  
Luminescence Quantum Yield ◽  
Time Resolved

scholarly journals Photostimulated control of luminescence quantum yield for colloidal Ag2S/2-MPA quantum dots

RSC Advances ◽  
2019 ◽  
Vol 9 (64) ◽  
pp. 37312-37320
Author(s):  
Oleg V. Ovchinnikov ◽  
Sergey V. Aslanov ◽  
Mikhail S. Smirnov ◽  
Irina G. Grevtseva ◽  
Aleksey S. Perepelitsa
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Ethylene Glycol ◽  
Luminescence Quantum Yield ◽  
Mercaptopropionic Acid

In this paper, we present the results on photoinduced formation of colloidal Ag2S quantum dots with sizes of 1.5–3 nm passivated by 2-mercaptopropionic acid (Ag2S/2-MPA) in the presence of ethylene glycol.

Enhancing stability and luminescence quantum yield of CsPbBr3 quantum dots by embedded in borosilicate glass

2021 ◽  
Vol 874 ◽  
pp. 159962
Author(s):  
Bowen Zhang ◽  
Ke Zhang ◽  
Lingfeng Li ◽  
Congcong Xu ◽  
Rongfei Wang ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Borosilicate Glass ◽  
Luminescence Quantum Yield ◽  
Cspbbr3 Quantum Dots

LUMINESCENT DETERMINATION OF SUGAR IN NATURAL HONEY

2020 ◽  
Vol 0 (4) ◽  
pp. 29-32
Author(s):  
B.M. GAREEV ◽  
◽  
A.M. ABDRAKHMANOV ◽  
G.L. SHARIPOV ◽  
◽  
...  
Keyword(s):  
Quantum Dots ◽  
Laboratory Test ◽  
Aqueous Solutions ◽  
Analytical Method ◽  
Sugar Content ◽  
Carbon Quantum Dots ◽  
Photoluminescence Intensity ◽  
Sucrose Content ◽  
Natural Honey

The photoluminescence of carbon quantum dots synthesized from natural honey and mixtures of honey and sugar has been studied. An increase in the sugar content leads to a decrease in the photoluminescence intensity without changing the shape of the luminescence spectrum of these quantum dots aqueous solutions, which is associated with a decrease in the yield of their synthesis in the sugar presence. The discovered effect can be used to detect sugar in honey. When examining five different market samples of flower honey using this method, two of them showed a significant decrease in the photoluminescence intensity. A laboratory test for compliance with GOST 19792-2017 Standard requirements established an excess of the sucrose content in these samples. Luminescent determination of sugar in honey does not require complicated equipment and can be used to develop a new analytical method for determining the sugar content in counterfeit natural honey.

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.

Poly(Vinylidene Fluoride)-Passivated CsPbBr3 Perovskite Quantum Dots with Near-Unity Photoluminescence Quantum Yield and Superior Stability

2021 ◽  
Author(s):  
Lin Yang ◽  
Bowen Fu ◽  
Xu Li ◽  
Hao Chen ◽  
Lili Li
Keyword(s):  
Quantum Dots ◽  
Quantum Yield ◽  
Vinylidene Fluoride ◽  
Excellent Performance ◽  
Inorganic Perovskite ◽  
Photoluminescence Quantum Yield ◽  
Poly Vinylidene Fluoride ◽  
Perovskite Quantum Dots ◽  
Optoelectronic Applications ◽  
Pl Quenching

All inorganic perovskite quantum dots (QDs) have received great attention owing to their excellent performance in optoelectronic applications. However, they often suffer from the defect-related photoluminescence (PL) quenching and phase...

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