A novel broadband near-infrared phosphor Ca
Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a f...
Ausführliche Beschreibung
Autor*in: |
He, Mianmian [verfasserIn] Yi, Shuangping [verfasserIn] Hu, Zhengfa [verfasserIn] Zhao, Weiren [verfasserIn] Wang, Yinhai [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2023 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Journal of luminescence - New York, NY [u.a.] : Elsevier, 1970, 266 |
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Übergeordnetes Werk: |
volume:266 |
DOI / URN: |
10.1016/j.jlumin.2023.120304 |
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Katalog-ID: |
ELV066058309 |
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520 | |a Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a full width of half maximum (FWHM) value of ∼127 nm. The emission peak is observed at 786 nm when the excitation wavelength is 463 nm. The broadband emission seen in this study was identified as a result of 4T2 → 4A2 transition of Cr3+ in host lattice. The internal quantum efficiency (IQE) of the material was found to be as high as 66.5 %. The energy transfer mechanism, quantum yield, thermal stability and preparation conditions of the material were further investigated. These studies show that these materials with highly-efficient ultra-brosd near-infrared emissions are promising candidates for high-quality near-infrared light sources. | ||
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700 | 1 | |a Wang, Yinhai |e verfasserin |4 aut | |
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10.1016/j.jlumin.2023.120304 doi (DE-627)ELV066058309 (ELSEVIER)S0022-2313(23)00637-3 DE-627 ger DE-627 rda eng 530 VZ 33.00 bkl He, Mianmian verfasserin aut A novel broadband near-infrared phosphor Ca 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a full width of half maximum (FWHM) value of ∼127 nm. The emission peak is observed at 786 nm when the excitation wavelength is 463 nm. The broadband emission seen in this study was identified as a result of 4T2 → 4A2 transition of Cr3+ in host lattice. The internal quantum efficiency (IQE) of the material was found to be as high as 66.5 %. The energy transfer mechanism, quantum yield, thermal stability and preparation conditions of the material were further investigated. These studies show that these materials with highly-efficient ultra-brosd near-infrared emissions are promising candidates for high-quality near-infrared light sources. Near infrared photoluminescence Ca Broadband Phosphor Yi, Shuangping verfasserin aut Hu, Zhengfa verfasserin aut Zhao, Weiren verfasserin aut Wang, Yinhai verfasserin aut Enthalten in Journal of luminescence New York, NY [u.a.] : Elsevier, 1970 266 Online-Ressource (DE-627)302468749 (DE-600)1491401-3 (DE-576)120883473 0022-2313 nnns volume:266 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 33.00 Physik: Allgemeines VZ AR 266 |
spelling |
10.1016/j.jlumin.2023.120304 doi (DE-627)ELV066058309 (ELSEVIER)S0022-2313(23)00637-3 DE-627 ger DE-627 rda eng 530 VZ 33.00 bkl He, Mianmian verfasserin aut A novel broadband near-infrared phosphor Ca 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a full width of half maximum (FWHM) value of ∼127 nm. The emission peak is observed at 786 nm when the excitation wavelength is 463 nm. The broadband emission seen in this study was identified as a result of 4T2 → 4A2 transition of Cr3+ in host lattice. The internal quantum efficiency (IQE) of the material was found to be as high as 66.5 %. The energy transfer mechanism, quantum yield, thermal stability and preparation conditions of the material were further investigated. These studies show that these materials with highly-efficient ultra-brosd near-infrared emissions are promising candidates for high-quality near-infrared light sources. Near infrared photoluminescence Ca Broadband Phosphor Yi, Shuangping verfasserin aut Hu, Zhengfa verfasserin aut Zhao, Weiren verfasserin aut Wang, Yinhai verfasserin aut Enthalten in Journal of luminescence New York, NY [u.a.] : Elsevier, 1970 266 Online-Ressource (DE-627)302468749 (DE-600)1491401-3 (DE-576)120883473 0022-2313 nnns volume:266 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 33.00 Physik: Allgemeines VZ AR 266 |
allfields_unstemmed |
10.1016/j.jlumin.2023.120304 doi (DE-627)ELV066058309 (ELSEVIER)S0022-2313(23)00637-3 DE-627 ger DE-627 rda eng 530 VZ 33.00 bkl He, Mianmian verfasserin aut A novel broadband near-infrared phosphor Ca 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a full width of half maximum (FWHM) value of ∼127 nm. The emission peak is observed at 786 nm when the excitation wavelength is 463 nm. The broadband emission seen in this study was identified as a result of 4T2 → 4A2 transition of Cr3+ in host lattice. The internal quantum efficiency (IQE) of the material was found to be as high as 66.5 %. The energy transfer mechanism, quantum yield, thermal stability and preparation conditions of the material were further investigated. These studies show that these materials with highly-efficient ultra-brosd near-infrared emissions are promising candidates for high-quality near-infrared light sources. Near infrared photoluminescence Ca Broadband Phosphor Yi, Shuangping verfasserin aut Hu, Zhengfa verfasserin aut Zhao, Weiren verfasserin aut Wang, Yinhai verfasserin aut Enthalten in Journal of luminescence New York, NY [u.a.] : Elsevier, 1970 266 Online-Ressource (DE-627)302468749 (DE-600)1491401-3 (DE-576)120883473 0022-2313 nnns volume:266 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 33.00 Physik: Allgemeines VZ AR 266 |
allfieldsGer |
10.1016/j.jlumin.2023.120304 doi (DE-627)ELV066058309 (ELSEVIER)S0022-2313(23)00637-3 DE-627 ger DE-627 rda eng 530 VZ 33.00 bkl He, Mianmian verfasserin aut A novel broadband near-infrared phosphor Ca 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a full width of half maximum (FWHM) value of ∼127 nm. The emission peak is observed at 786 nm when the excitation wavelength is 463 nm. The broadband emission seen in this study was identified as a result of 4T2 → 4A2 transition of Cr3+ in host lattice. The internal quantum efficiency (IQE) of the material was found to be as high as 66.5 %. The energy transfer mechanism, quantum yield, thermal stability and preparation conditions of the material were further investigated. These studies show that these materials with highly-efficient ultra-brosd near-infrared emissions are promising candidates for high-quality near-infrared light sources. Near infrared photoluminescence Ca Broadband Phosphor Yi, Shuangping verfasserin aut Hu, Zhengfa verfasserin aut Zhao, Weiren verfasserin aut Wang, Yinhai verfasserin aut Enthalten in Journal of luminescence New York, NY [u.a.] : Elsevier, 1970 266 Online-Ressource (DE-627)302468749 (DE-600)1491401-3 (DE-576)120883473 0022-2313 nnns volume:266 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 33.00 Physik: Allgemeines VZ AR 266 |
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10.1016/j.jlumin.2023.120304 doi (DE-627)ELV066058309 (ELSEVIER)S0022-2313(23)00637-3 DE-627 ger DE-627 rda eng 530 VZ 33.00 bkl He, Mianmian verfasserin aut A novel broadband near-infrared phosphor Ca 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a full width of half maximum (FWHM) value of ∼127 nm. The emission peak is observed at 786 nm when the excitation wavelength is 463 nm. The broadband emission seen in this study was identified as a result of 4T2 → 4A2 transition of Cr3+ in host lattice. The internal quantum efficiency (IQE) of the material was found to be as high as 66.5 %. The energy transfer mechanism, quantum yield, thermal stability and preparation conditions of the material were further investigated. These studies show that these materials with highly-efficient ultra-brosd near-infrared emissions are promising candidates for high-quality near-infrared light sources. Near infrared photoluminescence Ca Broadband Phosphor Yi, Shuangping verfasserin aut Hu, Zhengfa verfasserin aut Zhao, Weiren verfasserin aut Wang, Yinhai verfasserin aut Enthalten in Journal of luminescence New York, NY [u.a.] : Elsevier, 1970 266 Online-Ressource (DE-627)302468749 (DE-600)1491401-3 (DE-576)120883473 0022-2313 nnns volume:266 GBV_USEFLAG_U GBV_ELV SYSFLAG_U GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 33.00 Physik: Allgemeines VZ AR 266 |
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zzz |
author_browse |
He, Mianmian Yi, Shuangping Hu, Zhengfa Zhao, Weiren Wang, Yinhai |
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Elektronische Aufsätze |
author-letter |
He, Mianmian |
doi_str_mv |
10.1016/j.jlumin.2023.120304 |
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author2-role |
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title_sort |
a novel broadband near-infrared phosphor ca |
title_auth |
A novel broadband near-infrared phosphor Ca |
abstract |
Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a full width of half maximum (FWHM) value of ∼127 nm. The emission peak is observed at 786 nm when the excitation wavelength is 463 nm. The broadband emission seen in this study was identified as a result of 4T2 → 4A2 transition of Cr3+ in host lattice. The internal quantum efficiency (IQE) of the material was found to be as high as 66.5 %. The energy transfer mechanism, quantum yield, thermal stability and preparation conditions of the material were further investigated. These studies show that these materials with highly-efficient ultra-brosd near-infrared emissions are promising candidates for high-quality near-infrared light sources. |
abstractGer |
Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a full width of half maximum (FWHM) value of ∼127 nm. The emission peak is observed at 786 nm when the excitation wavelength is 463 nm. The broadband emission seen in this study was identified as a result of 4T2 → 4A2 transition of Cr3+ in host lattice. The internal quantum efficiency (IQE) of the material was found to be as high as 66.5 %. The energy transfer mechanism, quantum yield, thermal stability and preparation conditions of the material were further investigated. These studies show that these materials with highly-efficient ultra-brosd near-infrared emissions are promising candidates for high-quality near-infrared light sources. |
abstract_unstemmed |
Near-infrared spectroscopy (NIRS) is a rapid, non-destructive analytical characterization tool. In this study, we report near-infrared (NIR) phosphor Ca3MgTiGe3O12:Cr3+ in garnet system, achieving ultra-broadband NIR emission. The emission spectrum of the phosphor ranges from 690 nm–1100 nm with a full width of half maximum (FWHM) value of ∼127 nm. The emission peak is observed at 786 nm when the excitation wavelength is 463 nm. The broadband emission seen in this study was identified as a result of 4T2 → 4A2 transition of Cr3+ in host lattice. The internal quantum efficiency (IQE) of the material was found to be as high as 66.5 %. The energy transfer mechanism, quantum yield, thermal stability and preparation conditions of the material were further investigated. These studies show that these materials with highly-efficient ultra-brosd near-infrared emissions are promising candidates for high-quality near-infrared light sources. |
collection_details |
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title_short |
A novel broadband near-infrared phosphor Ca |
remote_bool |
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author2 |
Yi, Shuangping Hu, Zhengfa Zhao, Weiren Wang, Yinhai |
author2Str |
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doi_str |
10.1016/j.jlumin.2023.120304 |
up_date |
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