Influence of Dy3+ concentration on spectroscopic behaviour of Sr3MgSi2O8:Dy3+ phosphors
| Autor: | D. P. Bisen, Pradeep Dewangan, Kanchan Upadhyay, Raunak Kumar Tamrakar, Ishwar Prasad Sahu, Shweta Sharma, Nameeta Brahme |
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| Rok vydání: | 2020 |
| Předmět: |
Materials science
Mechanical Engineering Metals and Alloys Analytical chemistry Solid-state Phosphor 02 engineering and technology 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences 0104 chemical sciences Ion Mechanics of Materials Materials Chemistry White light Emission spectrum Chromaticity 0210 nano-technology Excitation Monoclinic crystal system |
| Zdroj: | Journal of Alloys and Compounds. 816:152590 |
| ISSN: | 0925-8388 |
| DOI: | 10.1016/j.jallcom.2019.152590 |
| Popis: | White light emitting novel Sr3MgSi2O8:Dy3+ were synthesized by solid state reaction (SSR) process. The structural and morphological properties were analyzed by XRD and TEM. XRD pattern confirms presence of monoclinic structure with space group P121/a1. Emission spectra of Sr3MgSi2O8:Dy3+ phosphors were studied as a function of Dy3+ ion concentration. Emission spectra recorded at 350 nm excitation consist of characteristic blue and yellow emission bands cantered at 480 nm, 493 nm and 572 nm, which correspond to 4F9/2 → 6H15/2 and 4F9/2 → 6H13/2 characteristic transitions of Dy3+ ions respectively. Emitted color of the phosphor was determined by CIE chromaticity graph. Sr3MgSi2O8:Dy3+ phosphors are depended upon to find potential applications, for instance, WLEDs and optical feature structure. |
| Databáze: | OpenAIRE |
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