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concentration quenching
It is shown that the luminescence efficiency increases with an increase in the gallium sulfide content due to the displacement of the concentration quenching boundary of Nd3+luminescence with a change in the glass matrix composition.
      
Concentration Quenching of Luminescence of Rare-Earth Ions in Chalcogenide Glasses
      
We suggest that the increase in τ due to adsorption appreciably exceeds the concentration quenching of excited uranyl ions in the course of crystallization of deuterated sulfuric acid.
      
There is no concentration quenching of uranyl up to [UO22+] = 0.14 M.
      
The phenomenon of concentration quenching of the luminescence from donor ions in crystals of La1-xCexF3 solid solutions was studied.
      
Anomalies in the concentration quenching of luminescence in doped Y2SiO5:Pr3+ nanocrystals
      
The concentration quenching of Pr3+ luminescence is due to cooperative cross relaxation.
      
Formation rate constant and features of the excited complexes upon concentration quenching of the triplet state of Pd-porphyrins
      
The influence of the solvent pH and of the presence of carbonic acid anions on the energy transfer from the Eu(III) and Tb(III) ions to a large namber of Ln(III) ions, as well as on the concentration quenching of the Dy(III) ions, is studied.
      
The temperature and concentration quenching of the luminescence of Cr2+ ions in Cr:ZnSe crystals is experimentally investigated and the radiative lifetime of the upper lasing level is determined.
      
The concentration quenching of the luminescence from the 4I11/2 and 4I13/2 levels was not observed.
      
The range of concentration quenching of Mn2+ ion radiation is determined.
      
Concentration quenching anomalies of activated Y2SiO5:Pr3+ nanocrystal luminescence
      
Concentration quenching of Pr3+ luminescence is caused by the cooperative cross-relaxation.
      
Concentration quenching of fluorescence in solutions
      
On pure glass surfaces we observe concentration quenching below a critical intermolecular distance (reduction of the fluorescence power per molecule as well as shortened and non-exponential fluorescence decay).
      
Other measurements pertaining to the concentration quenching, thermal lensing, and saturation of the extraction are also described in this article.
      
When the Er3+ doping exceeds 0.75 mol%, the fluorescence intensity decreases due to concentration quenching.
      
The fluorescence concentration quenching effect and the absorption efficiency of the host have been taken into account in the model.
      
The dependence of upconversion efficiency on the pump mechanism is analyzed from the scope of the concentration quenching effect.
      
 

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