Academic Journal
Optical and photoluminescence properties of trivalent rare earth ions doped LiMgPO 4
| Τίτλος: | Optical and photoluminescence properties of trivalent rare earth ions doped LiMgPO 4 |
|---|---|
| Συγγραφείς: | Farooq, Mudasir, Rafiq, Haqnawaz, Rasool, Mir Hashim, Nazir, Irfan, Rubab, Seemin |
| Πηγή: | Physica Scripta ; volume 99, issue 5, page 055978 ; ISSN 0031-8949 1402-4896 |
| Στοιχεία εκδότη: | IOP Publishing |
| Έτος έκδοσης: | 2024 |
| Περιγραφή: | Trivalent rare-earth-activated luminescent materials have attracted a lot of attention due to their fascinating optical properties and broad range of applications. In this study, polycrystalline Sm and Eu-doped LiMgPO 4 luminescent materials were synthesized using a solid-state reaction technique. The crystalline structures, morphological features, and optical characteristics of the synthesized materials were thoroughly investigated using x-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Field-Emission Scanning Electron Microscopy (FE-SEM) and UV–vis spectroscopy. The Rietveld refinement analysis confirmed the phase purity of synthesized phosphors. In addition, the strain induced owing to the incorporation of trivalent rare-earth ions and crystallite sizes of each synthesized material was estimated using the Williamsons-Hall (W-H) and modified Debye-Sherrer equations. The estimated results of the microstrain were reported to be 0.0010, 0.0023 and 0.0020. Subsequently, as a consequence of distinct peak profile options, the projected average crystallite size by both approaches was distinct. The UV–vis spectroscopy analysis reveals that Sm and Eu doped materials exhibit absorption bands around 402 nm and 396 nm and depicts the declining band gap values. The Photoluminescence (PL) spectra at 402 nm and 395 nm excitation wavelengths exhibited the distinctive emissions of both Sm 3+ ( 4 G 5/2 → 6 H 7/2 ) and Eu 3+ ( 5 D 0 → 7 F 2 ) ions emanating due to the intra-configurational f - f and 4 f − 4 f transitions. Finally, the CIE diagram explicitly demonstrates that the Sm and Eu-modified materials reveal their exceptional color purity. McCamy’s approach was used to determine various parameters of trivalent rare-earth doped materials. The correlated color temperature ( T CCT ) and their coordinates T CCT ( ζ , β ) was found to be 2287 K, 1900 K, 0.281, 0.632, and 0.302, 0.681 respectively. Temperature-dependent emission spectra exhibit excellent color and thermal stability at high ... |
| Τύπος εγγράφου: | article in journal/newspaper |
| Γλώσσα: | unknown |
| DOI: | 10.1088/1402-4896/ad3e3b |
| DOI: | 10.1088/1402-4896/ad3e3b/pdf |
| Διαθεσιμότητα: | https://doi.org/10.1088/1402-4896/ad3e3b https://iopscience.iop.org/article/10.1088/1402-4896/ad3e3b https://iopscience.iop.org/article/10.1088/1402-4896/ad3e3b/pdf |
| Rights: | https://iopscience.iop.org/page/copyright ; https://iopscience.iop.org/info/page/text-and-data-mining |
| Αριθμός Καταχώρησης: | edsbas.E8A3B50C |
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| FullText | Text: Availability: 0 CustomLinks: – Url: https://doi.org/10.1088/1402-4896/ad3e3b# Name: EDS - BASE (ns324271) Category: fullText Text: View record from BASE |
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| Items | – Name: Title Label: Title Group: Ti Data: Optical and photoluminescence properties of trivalent rare earth ions doped LiMgPO 4 – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Farooq%2C+Mudasir%22">Farooq, Mudasir</searchLink><br /><searchLink fieldCode="AR" term="%22Rafiq%2C+Haqnawaz%22">Rafiq, Haqnawaz</searchLink><br /><searchLink fieldCode="AR" term="%22Rasool%2C+Mir+Hashim%22">Rasool, Mir Hashim</searchLink><br /><searchLink fieldCode="AR" term="%22Nazir%2C+Irfan%22">Nazir, Irfan</searchLink><br /><searchLink fieldCode="AR" term="%22Rubab%2C+Seemin%22">Rubab, Seemin</searchLink> – Name: TitleSource Label: Source Group: Src Data: Physica Scripta ; volume 99, issue 5, page 055978 ; ISSN 0031-8949 1402-4896 – Name: Publisher Label: Publisher Information Group: PubInfo Data: IOP Publishing – Name: DatePubCY Label: Publication Year Group: Date Data: 2024 – Name: Abstract Label: Description Group: Ab Data: Trivalent rare-earth-activated luminescent materials have attracted a lot of attention due to their fascinating optical properties and broad range of applications. In this study, polycrystalline Sm and Eu-doped LiMgPO 4 luminescent materials were synthesized using a solid-state reaction technique. The crystalline structures, morphological features, and optical characteristics of the synthesized materials were thoroughly investigated using x-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Field-Emission Scanning Electron Microscopy (FE-SEM) and UV–vis spectroscopy. The Rietveld refinement analysis confirmed the phase purity of synthesized phosphors. In addition, the strain induced owing to the incorporation of trivalent rare-earth ions and crystallite sizes of each synthesized material was estimated using the Williamsons-Hall (W-H) and modified Debye-Sherrer equations. The estimated results of the microstrain were reported to be 0.0010, 0.0023 and 0.0020. Subsequently, as a consequence of distinct peak profile options, the projected average crystallite size by both approaches was distinct. The UV–vis spectroscopy analysis reveals that Sm and Eu doped materials exhibit absorption bands around 402 nm and 396 nm and depicts the declining band gap values. The Photoluminescence (PL) spectra at 402 nm and 395 nm excitation wavelengths exhibited the distinctive emissions of both Sm 3+ ( 4 G 5/2 → 6 H 7/2 ) and Eu 3+ ( 5 D 0 → 7 F 2 ) ions emanating due to the intra-configurational f - f and 4 f − 4 f transitions. Finally, the CIE diagram explicitly demonstrates that the Sm and Eu-modified materials reveal their exceptional color purity. McCamy’s approach was used to determine various parameters of trivalent rare-earth doped materials. The correlated color temperature ( T CCT ) and their coordinates T CCT ( ζ , β ) was found to be 2287 K, 1900 K, 0.281, 0.632, and 0.302, 0.681 respectively. Temperature-dependent emission spectra exhibit excellent color and thermal stability at high ... – Name: TypeDocument Label: Document Type Group: TypDoc Data: article in journal/newspaper – Name: Language Label: Language Group: Lang Data: unknown – Name: DOI Label: DOI Group: ID Data: 10.1088/1402-4896/ad3e3b – Name: DOI Label: DOI Group: ID Data: 10.1088/1402-4896/ad3e3b/pdf – Name: URL Label: Availability Group: URL Data: https://doi.org/10.1088/1402-4896/ad3e3b<br />https://iopscience.iop.org/article/10.1088/1402-4896/ad3e3b<br />https://iopscience.iop.org/article/10.1088/1402-4896/ad3e3b/pdf – Name: Copyright Label: Rights Group: Cpyrght Data: https://iopscience.iop.org/page/copyright ; https://iopscience.iop.org/info/page/text-and-data-mining – Name: AN Label: Accession Number Group: ID Data: edsbas.E8A3B50C |
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