A novel thermally stable eulytite-type NaBaBi2(PO4)3:Eu3+ red-emitting phosphor for pc-WLEDs
A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping con...
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| Autor*in: |
Yu, Bin [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners - Jacobs, Jacquelyn A. ELSEVIER, 2017, JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics, Lausanne |
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| Übergeordnetes Werk: |
volume:852 ; year:2021 ; day:25 ; month:01 ; pages:0 |
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| DOI / URN: |
10.1016/j.jallcom.2020.157020 |
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ELV051691345 |
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| 245 | 1 | 0 | |a A novel thermally stable eulytite-type NaBaBi2(PO4)3:Eu3+ red-emitting phosphor for pc-WLEDs |
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| 520 | |a A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). | ||
| 520 | |a A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). | ||
| 650 | 7 | |a Red-emitting |2 Elsevier | |
| 650 | 7 | |a Eu3+ doped |2 Elsevier | |
| 650 | 7 | |a Phosphors |2 Elsevier | |
| 650 | 7 | |a Thermally stable |2 Elsevier | |
| 650 | 7 | |a Energy transfer |2 Elsevier | |
| 700 | 1 | |a Li, Yuchan |4 oth | |
| 700 | 1 | |a Zhang, Ruiping |4 oth | |
| 700 | 1 | |a Li, Hua |4 oth | |
| 700 | 1 | |a Wang, Yunjian |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier |a Jacobs, Jacquelyn A. ELSEVIER |t Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |d 2017 |d JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics |g Lausanne |w (DE-627)ELV001115774 |
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10.1016/j.jallcom.2020.157020 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001169.pica (DE-627)ELV051691345 (ELSEVIER)S0925-8388(20)33384-3 DE-627 ger DE-627 rakwb eng 630 VZ Yu, Bin verfasserin aut A novel thermally stable eulytite-type NaBaBi2(PO4)3:Eu3+ red-emitting phosphor for pc-WLEDs 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). Red-emitting Elsevier Eu3+ doped Elsevier Phosphors Elsevier Thermally stable Elsevier Energy transfer Elsevier Li, Yuchan oth Zhang, Ruiping oth Li, Hua oth Wang, Yunjian oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:852 year:2021 day:25 month:01 pages:0 https://doi.org/10.1016/j.jallcom.2020.157020 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 852 2021 25 0125 0 |
| spelling |
10.1016/j.jallcom.2020.157020 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001169.pica (DE-627)ELV051691345 (ELSEVIER)S0925-8388(20)33384-3 DE-627 ger DE-627 rakwb eng 630 VZ Yu, Bin verfasserin aut A novel thermally stable eulytite-type NaBaBi2(PO4)3:Eu3+ red-emitting phosphor for pc-WLEDs 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). Red-emitting Elsevier Eu3+ doped Elsevier Phosphors Elsevier Thermally stable Elsevier Energy transfer Elsevier Li, Yuchan oth Zhang, Ruiping oth Li, Hua oth Wang, Yunjian oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:852 year:2021 day:25 month:01 pages:0 https://doi.org/10.1016/j.jallcom.2020.157020 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 852 2021 25 0125 0 |
| allfields_unstemmed |
10.1016/j.jallcom.2020.157020 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001169.pica (DE-627)ELV051691345 (ELSEVIER)S0925-8388(20)33384-3 DE-627 ger DE-627 rakwb eng 630 VZ Yu, Bin verfasserin aut A novel thermally stable eulytite-type NaBaBi2(PO4)3:Eu3+ red-emitting phosphor for pc-WLEDs 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). Red-emitting Elsevier Eu3+ doped Elsevier Phosphors Elsevier Thermally stable Elsevier Energy transfer Elsevier Li, Yuchan oth Zhang, Ruiping oth Li, Hua oth Wang, Yunjian oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:852 year:2021 day:25 month:01 pages:0 https://doi.org/10.1016/j.jallcom.2020.157020 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 852 2021 25 0125 0 |
| allfieldsGer |
10.1016/j.jallcom.2020.157020 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001169.pica (DE-627)ELV051691345 (ELSEVIER)S0925-8388(20)33384-3 DE-627 ger DE-627 rakwb eng 630 VZ Yu, Bin verfasserin aut A novel thermally stable eulytite-type NaBaBi2(PO4)3:Eu3+ red-emitting phosphor for pc-WLEDs 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). Red-emitting Elsevier Eu3+ doped Elsevier Phosphors Elsevier Thermally stable Elsevier Energy transfer Elsevier Li, Yuchan oth Zhang, Ruiping oth Li, Hua oth Wang, Yunjian oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:852 year:2021 day:25 month:01 pages:0 https://doi.org/10.1016/j.jallcom.2020.157020 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 852 2021 25 0125 0 |
| allfieldsSound |
10.1016/j.jallcom.2020.157020 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001169.pica (DE-627)ELV051691345 (ELSEVIER)S0925-8388(20)33384-3 DE-627 ger DE-627 rakwb eng 630 VZ Yu, Bin verfasserin aut A novel thermally stable eulytite-type NaBaBi2(PO4)3:Eu3+ red-emitting phosphor for pc-WLEDs 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). Red-emitting Elsevier Eu3+ doped Elsevier Phosphors Elsevier Thermally stable Elsevier Energy transfer Elsevier Li, Yuchan oth Zhang, Ruiping oth Li, Hua oth Wang, Yunjian oth Enthalten in Elsevier Jacobs, Jacquelyn A. ELSEVIER Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners 2017 JAL : an interdisciplinary journal of materials science and solid-state chemistry and physics Lausanne (DE-627)ELV001115774 volume:852 year:2021 day:25 month:01 pages:0 https://doi.org/10.1016/j.jallcom.2020.157020 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA AR 852 2021 25 0125 0 |
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Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |
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Factors associated with canine resource guarding behaviour in the presence of people: A cross-sectional survey of dog owners |
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a novel thermally stable eulytite-type nababi2(po4)3:eu3+ red-emitting phosphor for pc-wleds |
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A novel thermally stable eulytite-type NaBaBi2(PO4)3:Eu3+ red-emitting phosphor for pc-WLEDs |
| abstract |
A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). |
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A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). |
| abstract_unstemmed |
A new eulytite-type NaBaBi2(PO4)3: xEu3+ (NBBP:xEu3+) phosphors were synthesized via high temperature solid state reaction. The phase, composition, morphology, band structure, luminescence, electrical properties and thermal stability of the as-prepared NBBP:xEu3+ samples with various Eu3+ doping content were investigated in detail. XRD, structural refinement results show that the Eu3+ ions replace the Bi3+-site in the lattice. The morphology, elemental composition and molecular structure of the phosphor were studied by SEM, XPS and FT-IR. The band gap of the NaBaBi2(PO4)3 host obtained by diffuse reflectance spectroscopy is about 4.08 eV, and the Eu3+ ions doping has little effect on the band gap. Room temperature fluorescence spectra show that both near ultraviolet and blue light sources are the excitation pump sources of phosphors, and the electric dipole transition (5D0→7F2) at 611 nm dominates the red emission. With the increase of doping content, the fluorescence lifetime almost remains unchanged, and the CIE coordinates move to the red region, and the color purity also increases. When the temperature rises to 423 K, the emission intensity of the phosphor remains at 80% of the original intensity at room temperature, and the activation energy ΔE is calculated to be 0.175 eV, indicating that the phosphor has excellent thermal stability. It can be predicted that NBBP:Eu3+ phosphor has potential application in phosphor conversion white light-emitting diodes (pc-WLEDs). |
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