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  • Archive: 2009
05 Feb 2009
  • 2009
  • V. 8
  • 1
  • (p.82 - 86)

Kinetics of the excitonic luminescence in MoS2:Cl2 layered crystals

Authors:

Colev, Andrei

Summary:

Due to their layered structure, the transition metal dichalcogenide compound 2H-MoS2 can be intercalated with foreign atoms and molecules. The 2H-MoS2 crystals intercalated with halogen molecules (Cl2) at low temperatures exhibit a strong luminescence due to the bound excitons recombination. In this work, the results of study of the excitonic luminescence kinetics for 2H-MoS2:Cl2 single crystals are presented. A kinetic model describing the temperature dependences of the steady-state luminescence intensity and of the radiative decay time is proposed. The lifetimes of the excitonic levels and the activation energy of the excitonic luminescence quenching caused by a self-trapping process for both studied compounds were determined.

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BibTeX

@article{ibn_4030,
author = {Colev, A.I.},
title = {Kinetics of the excitonic luminescence in
MoS2:Cl2 layered crystals
},
journal = {Moldavian Journal of the Physical Sciences},
year = {2009},
volume = {8 (1)},
pages = {82-86},
month = {Feb},
abstract = {(EN) Due to their layered structure, the transition metal dichalcogenide compound 2H-MoS2 can 
be intercalated with foreign atoms and molecules. The 2H-MoS2 crystals intercalated with halogen molecules (Cl2) at low temperatures exhibit a strong luminescence due to the bound excitons 
recombination. In this work, the results of study of the excitonic luminescence kinetics for 
2H-MoS2:Cl2 single crystals are presented. A kinetic model describing the temperature dependences of the steady-state luminescence intensity and of the radiative decay time is proposed. The 
lifetimes of the excitonic levels and the activation energy of the excitonic luminescence quenching caused by a self-trapping process for both studied compounds were determined.  
},
url = {https://ibn.idsi.md/vizualizare_articol/4030},
}

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MoS2:Cl2 layered crystals
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be intercalated with foreign atoms and molecules. The 2H-MoS2 crystals intercalated with halogen molecules (Cl2) at low temperatures exhibit a strong luminescence due to the bound excitons 
recombination. In this work, the results of study of the excitonic luminescence kinetics for 
2H-MoS2:Cl2 single crystals are presented. A kinetic model describing the temperature dependences of the steady-state luminescence intensity and of the radiative decay time is proposed. The 
lifetimes of the excitonic levels and the activation energy of the excitonic luminescence quenching caused by a self-trapping process for both studied compounds were determined.  
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<dc:date>2009-02-05</dc:date>
<dc:description xml:lang='en'>Due to their layered structure, the transition metal dichalcogenide compound 2H-MoS2 can 
be intercalated with foreign atoms and molecules. The 2H-MoS2 crystals intercalated with halogen molecules (Cl2) at low temperatures exhibit a strong luminescence due to the bound excitons 
recombination. In this work, the results of study of the excitonic luminescence kinetics for 
2H-MoS2:Cl2 single crystals are presented. A kinetic model describing the temperature dependences of the steady-state luminescence intensity and of the radiative decay time is proposed. The 
lifetimes of the excitonic levels and the activation energy of the excitonic luminescence quenching caused by a self-trapping process for both studied compounds were determined.  
</dc:description>
<dc:source>Moldavian Journal of the Physical Sciences 8 (1) 82-86</dc:source>
<dc:title>Kinetics of the excitonic luminescence in
MoS2:Cl2 layered crystals
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COLEV, Andrei. Kinetics of the excitonic luminescence in MoS2:Cl2 layered crystals . In: Moldavian Journal of the Physical Sciences. 2009, nr. 1(8), pp. 82-86. ISSN 1810-648X.

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