Structural and optical properties of Dy3+ doped Sr2SiO4 phosphors

• Autorzy: Verma Durga , Patel R. P. , Verma Mohan L.

Identyfikatory

DOI

10.2478/msp-2019-0008

• Języki publikacji: EN

Abstrakty

EN

Dysprosium doped strontium silicate phosphor namely (Sr₂SiO₄:Dy³⁺) was prepared by low-temperature solution combustion method using urea (CO(NH₂)₂) as a fuel. The material was characterized by powder X-ray diffraction (XRD), FT-IR, SEM and EDX. The average crystallite sizes was calculated by Scherer formula. Thermoluminescence study was carried out for the phosphor which showed single glow curve. The kinetic parameter were calculated by using Chen’s glow curve method. Photoluminescence spectra revealed strong transition at 473 nm (blue), 571 nm (yellow) and weak transition at 645 nm (red). These peaks were assigned to transition ⁴F_9/2 → ⁶H_15/2, _13/2 , _11/2. CIE graph of Sr₂SiO₄:Dy³⁺phosphor is suitable for the generation of white light emission.

Słowa kluczowe

EN

combustion method; EDX; X-ray diffraction; thermoluminescence; photoluminescence

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2019
• Tom: Vol. 37, No. 1
• Strony: 55--64
• Opis fizyczny: Bibliogr. 44 poz., rys., tab.

Twórcy

autor

Verma Durga

• Department of Applied Physics, Faculty of Engineering and Technology, Shri Shankaracharya Group of Institute, Bhilai (C.G.) 490020, India

autor

Patel R. P.

• Department of Applied Physics, Professional Institute of Engineering and Technology, Raipur (C.G.) 492001, India

autor

Verma Mohan L.

• Department of Applied Physics, Faculty of Engineering and Technology, Shri Shankaracharya Group of Institute, Bhilai (C.G.) 490020, India

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Uwagi

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).