Low threshold photonic crystal lasing from a dye with high emission quantum yield and weak self-quenching

2013 ◽  
Vol 1 (38) ◽  
pp. 6157 ◽  
Author(s):  
Jiao Feng ◽  
Sha Bian ◽  
Yue Long ◽  
Hao Yuan ◽  
Qing Liao ◽  
...  
2018 ◽  
Vol 6 (28) ◽  
pp. 7479-7486 ◽  
Author(s):  
Flavia Artizzu ◽  
Danilo Loche ◽  
Dimitrije Mara ◽  
Luca Malfatti ◽  
Angela Serpe ◽  
...  

Remote sensitization in hybrid organic–inorganic Eu3+-doped layered silica nanoarchitectures allows for unusually high emission quantum yield through efficient energy transfer and the removal of ultra-fast quenching effects of inner-shell emitters.


2020 ◽  
Vol 2020 (18) ◽  
pp. 1736-1742
Author(s):  
Sandra F. H. Correia ◽  
Ricardo L. Fernandes ◽  
Lianshe Fu ◽  
Mariela M. Nolasco ◽  
Luís D. Carlos ◽  
...  

2020 ◽  
Vol 1 (6) ◽  
pp. 1988-1995
Author(s):  
Lucca B. Guimarães ◽  
Alexandre M. P. Botas ◽  
Maria C. F. C. Felinto ◽  
Rute A. S. Ferreira ◽  
Luis D. Carlos ◽  
...  

Precise optical temperature sensors based on luminescent Tb3+:Eu3+ tetrakis complexes with imidazolic counterions with high emission quantum yield values and low temperature uncertainty.


2009 ◽  
Vol 488 (2) ◽  
pp. 599-602 ◽  
Author(s):  
Takashi Harada ◽  
Yasuchika Hasegawa ◽  
Yoko Nakano ◽  
Michiya Fujiki ◽  
Masanobu Naito ◽  
...  

2012 ◽  
Vol 22 (17) ◽  
pp. 3714-3722 ◽  
Author(s):  
Elena Khon ◽  
Scott Lambright ◽  
Dmitry Khon ◽  
Bryan Smith ◽  
Timothy O'Connor ◽  
...  

Author(s):  
Mina R. Narouz ◽  
Shinjiro Takano ◽  
Paul A. Lummis ◽  
Tetyana I. Levchenko ◽  
Ali nazemi ◽  
...  

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 20.0px; font: 17.4px Helvetica; color: #000000; -webkit-text-stroke: #000000; background-color: #ffffff} span.s1 {font-kerning: none} span.s2 {font: 11.2px Helvetica; font-kerning: none} span.s3 {font-kerning: none; color: #000000} <p>Magic number Au13 nanoclusters stabilized entirely by N-heterocyclic carbenes (NHCs) have been prepared by the bottom-up reduction of well-defined molecular NHC–Au–Cl complexes with sodium borohydride. The nature of the wingtip groups was shown to be critical in the preparation of stable clusters. The all NHC-clusters are prepared in high yield by this straight-forward method, display higher stability than related all phosphine clusters, and possess extremely high emission quantum yield. DFT analysis of these clusters based on the resolved crystal structure reveals their electronic structure as 8-electron superatoms.</p>


2018 ◽  
Author(s):  
Mina R. Narouz ◽  
Shinjiro Takano ◽  
Paul A. Lummis ◽  
Tetyana I. Levchenko ◽  
Ali nazemi ◽  
...  

p.p1 {margin: 0.0px 0.0px 0.0px 0.0px; line-height: 20.0px; font: 17.4px Helvetica; color: #000000; -webkit-text-stroke: #000000; background-color: #ffffff} span.s1 {font-kerning: none} span.s2 {font: 11.2px Helvetica; font-kerning: none} span.s3 {font-kerning: none; color: #000000} <p>Magic number Au13 nanoclusters stabilized entirely by N-heterocyclic carbenes (NHCs) have been prepared by the bottom-up reduction of well-defined molecular NHC–Au–Cl complexes with sodium borohydride. The nature of the wingtip groups was shown to be critical in the preparation of stable clusters. The all NHC-clusters are prepared in high yield by this straight-forward method, display higher stability than related all phosphine clusters, and possess extremely high emission quantum yield. DFT analysis of these clusters based on the resolved crystal structure reveals their electronic structure as 8-electron superatoms.</p>


2021 ◽  
Author(s):  
Ànnia Tubau ◽  
Laura Rodríguez ◽  
Ariadna L.azaro ◽  
Ramon Vicente ◽  
Merce Font-Bardia

The reaction of Ln(NO3)2·6H2O salts (Ln = Eu and Tb) with an excess of 2-fluorobenzoic acid (H-2FBz) in ethanol/water mixture allows the isolation of dinuclear compounds of formula [Ln2(-2FBz)4(2FBz)2(H-2FBz)2(H2O)2] (Ln...


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