Improved emission cross-section of erbium and demonstration of energy transfer in As<sub>2</sub>Se<sub>3</sub> thin films

Colmenares, Y.N.; Bell, Maria José Valenzuela; Messaddeq, Sandra Helena; Messaddeq, Younès

doi:10.1039/d2tc01226j

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2023

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“…One of these problems is a high quenching level of the REI luminescence due to the uneven distribution of rare earth ions in the glass matrix. The latter decreases the luminescence efficiency [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Tverjanovich,

Tveryanovich,

Shahbazova

2023

Materials

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The physicochemical, optical, and luminescent properties and structures of glasses of the Ga2S3-GeS2-Sb2S3:Pr system have been studied in a wide range of concentrations of the main components in order to reveal their correlation with the composition. According to the calculations using the Judd–Ofelt theory, glasses with a high content of Sb2S3 should provide the highest luminescence efficiency of Pr3+ ions. However, this result is leveled by enhancing the concentration quenching effect, followed by an increase of the Sb2S3 content in the glasses. The introduction of Pr leads to a significant increase in the fraction of Sb-Sb, Sb-Ge, Ge-Ge bonds in glasses enriched with Sb2S3 and GeS2. In the cases of the glasses enriched with Ga2S3, this effect was not observed, apparently because Ga promotes the formation of three-coordinated sulfur atoms.

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Section: Introductionmentioning

confidence: 99%

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Tverjanovich,

Tveryanovich,

Shahbazova

2023

Materials

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Photoluminescent Er-doped As20Se80 thin films and channel waveguides produced by thermal reflow

et al. 2023

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Improved emission cross-section of erbium and demonstration of energy transfer in As₂Se₃ thin films

Abstract: Although chalcogenide glasses are the best materials for taking advantage of the lanthanides’ fluorescence properties, their application as active media on integrated optical circuits has been hindered due to the...

Cited by 2 publications

References 37 publications

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Photoluminescent Er-doped As20Se80 thin films and channel waveguides produced by thermal reflow

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Improved emission cross-section of erbium and demonstration of energy transfer in As2Se3 thin films

Abstract: Although chalcogenide glasses are the best materials for taking advantage of the lanthanides’ fluorescence properties, their application as active media on integrated optical circuits has been hindered due to the...

Cited by 2 publications

References 37 publications

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Structure and Luminescent Properties of Glasses in the GeS2-Ga2S3-Sb2S3:Pr3+ System

Photoluminescent Er-doped As20Se80 thin films and channel waveguides produced by thermal reflow

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Improved emission cross-section of erbium and demonstration of energy transfer in As₂Se₃ thin films