Achieving White Light Emission with High Luminescence Efficiency via Combustion Produced Sr3Y(PO4)3 : Dy3+ Nanophosphors for Photonic Applications
© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature..
Extensive investigations were conducted on the structural and photoluminescence characteristics of the present nanosamples, encompassing PL, TEM, PXRD, EDAX, CCT, and CIE research. PXRD studies established a single phase, and TEM instruments were used to examine the dimensions and topographical behavior. The EDAX analysis examined the magnitude of the different components that were present. Decay lifetimes, radiative and non-radiative energy transfer rates, and a number of intensity limitations have all been found using PL spectra. Two significant peaks were visible in the blue (B) and yellow (Y) regions of the photoluminescence (PL) spectra upon NUV excitation, at 486 nm and 577 nm. At 7 mol% Dy3+ ions, the PL intensity peaked. After that, it began to decline as a result of the concentration quenching process brought on by multipolar exchanges (s = 4.1445). The values of 0.86423 ms, 81%, and 226 s-1 were discovered to be the decay life time, non radiative rates, and quantum efficiency of the ideal powder, respectively. Further analysis of Sr3Y0.93Dy0.07(PO4)3 nanocrystals revealed that their chromaticity coordinates (0.305, 0.321), and CCT value (6902 K) matched those of NTSE and commercial LEDs, certifying their use in innovative optoelectronic appliances, particularly single phased WLEDs.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
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Zur Gesamtaufnahme - year:2024 |
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| Enthalten in: |
Journal of fluorescence - (2024) vom: 08. März |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Rani, Diksha [VerfasserIn] |
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| Themen: |
Concentration quenching |
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Date Revised 08.03.2024 published: Print-Electronic Citation Status Publisher |
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| doi: |
10.1007/s10895-024-03628-6 |
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NLM369468074 |
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| 520 | |a Extensive investigations were conducted on the structural and photoluminescence characteristics of the present nanosamples, encompassing PL, TEM, PXRD, EDAX, CCT, and CIE research. PXRD studies established a single phase, and TEM instruments were used to examine the dimensions and topographical behavior. The EDAX analysis examined the magnitude of the different components that were present. Decay lifetimes, radiative and non-radiative energy transfer rates, and a number of intensity limitations have all been found using PL spectra. Two significant peaks were visible in the blue (B) and yellow (Y) regions of the photoluminescence (PL) spectra upon NUV excitation, at 486 nm and 577 nm. At 7 mol% Dy3+ ions, the PL intensity peaked. After that, it began to decline as a result of the concentration quenching process brought on by multipolar exchanges (s = 4.1445). The values of 0.86423 ms, 81%, and 226 s-1 were discovered to be the decay life time, non radiative rates, and quantum efficiency of the ideal powder, respectively. Further analysis of Sr3Y0.93Dy0.07(PO4)3 nanocrystals revealed that their chromaticity coordinates (0.305, 0.321), and CCT value (6902 K) matched those of NTSE and commercial LEDs, certifying their use in innovative optoelectronic appliances, particularly single phased WLEDs | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Concentration quenching | |
| 650 | 4 | |a Intensity | |
| 650 | 4 | |a Photoluminescence characteristics | |
| 650 | 4 | |a Quantum efficiency | |
| 650 | 4 | |a Topographical behavior | |
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