<abstract xmlns="http://www.w3.org/1999/xhtml">In this study, silicate systems, M2SiO4 (M = Ca, Zn) were produced by solid state reaction and doped with 1 mol% Eu3+ rare-earth ion. Their heat treatments, which were conducted at 1200 °C and above for minimum 3 hours under an open atmosphere, were applied according to the DTA/TG results. Powder X-ray diffraction XRD analyses were performed to determine the phase properties of the phosphor systems after the sintering process. It was proved that the structures of two of the phosphor systems were well formed in except that the Zn2SiO4 had some ZnO secondary phases. The expected photoluminescence (PL) results were presented and the transitions of the Eu3+ ions were observed for both phosphors.</abstract>

In this study, silicate systems, M2SiO4 (M = Ca, Zn) were produced by solid state reaction and doped with 1 mol% Eu3+ rare-earth ion. Their heat treatments, which were conducted at 1200 °C and above for minimum 3 hours under an open atmosphere, were applied according to the DTA/TG results. Powder X-ray diffraction XRD analyses were performed to determine the phase properties of the phosphor systems after the sintering process. It was proved that the structures of two of the phosphor systems were well formed in except that the Zn2SiO4 had some ZnO secondary phases. The expected photoluminescence (PL) results were presented and the transitions of the Eu3+ ions were observed for both phosphors.

The effect of ligand-to-Eu3+ charge-transfer transitions (LMCT) on the photoluminescence intensity of M2SiO4: Eu3+ (M = Ca, Zn) type phosphors

Department of Metallurgical and Materials Engineering, Faculty of Engineering

Materials Science-Poland

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The effect of ligand-to-Eu charge-transfer transitions (LMCT) on the photoluminescence intensity of MSiO: Eu (M = Ca, Zn) type phosphors

In this study, silicate systems, M2SiO4 (M = Ca, Zn) were produced by solid state reaction and doped with 1 mol% Eu3+ rare-earth ion. Their heat treatments,...

The effect of ligand-to-Eu³⁺ charge-transfer transitions (LMCT) on the photoluminescence intensity of M₂SiO₄: Eu³⁺ (M = Ca, Zn) type phosphors

Publié en ligne: 02 nov. 2018

Pages: 509 - 513

Reçu: 31 oct. 2017

Accepté: 02 mai 2018

DOI: https://doi.org/10.2478/msp-2018-0059

Mots clés
silicate phosphor, solid state reaction method, luminescence, Eu

© 2018 Esra Öztürk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The effect of ligand-to-Eu3+ charge-transfer transitions (LMCT) on the photoluminescence intensity of M2SiO4: Eu3+ (M = Ca, Zn) type phosphors

Publié en ligne: 02 nov. 2018

Pages: 509 - 513

Reçu: 31 oct. 2017

Accepté: 02 mai 2018

DOI: https://doi.org/10.2478/msp-2018-0059

Mots cléssilicate phosphor, solid state reaction method, luminescence, Eu

© 2018 Esra Öztürk et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The effect of ligand-to-Eu³⁺ charge-transfer transitions (LMCT) on the photoluminescence intensity of M₂SiO₄: Eu³⁺ (M = Ca, Zn) type phosphors

Mots clés
silicate phosphor, solid state reaction method, luminescence, Eu