Solid State Synthesized YVO4:Dy3+/ SiO2 Composites: Microstructures and Optical Characteristics

• Autorzy: Rafiaei S. M.

Identyfikatory

DOI

10.24425/118928

• Języki publikacji: EN

Abstrakty

EN

In this paper YVO₄:Dy³⁺ was synthesized via solid state method at 1100°C and effects of different quantities of SiO₂ particles on microstructure and photoluminescence properties were investigated in details. To study the microstructure and properties of these composites XRD, SEM, TEM, HRTEM, XPS and PL equipments were employed. It was found that via addition of SiO₂ particles to YVO₄:Dy³⁺ phosphors, strong bonding is made between SiO₂ particles and phosphors. Furthermore, based on stronger electronegativity of Si 2p element compared to Y 3d and V 2p elements, increase of SiO₂ causes the increase of binding energy. Moreover, this research showed that the addition of 10 wt% SiO₂ particles to YVO₄:Dy³⁺ material enhances the excitation and emission luminescence properties, significantly. Further increase of SiO₂ particles results in suppress of emission intensity.

Słowa kluczowe

EN

solid state; composite; SiO2; luminescence

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2018
• Tom: Vol. 63, iss. 1
• Strony: 199--202
• Opis fizyczny: Bibliogr. 32 poz., rys., tab.

Twórcy

autor

Rafiaei S. M.

• Golpayegan University of Technology, Department of Materials Science and Engineering, Golpayegan, Isfahan, Iran

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).