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Efficient pure white light emission based on a three-component La:Eu,Tb-doped luminescent lanthanide metal–organic framework.

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Title: Efficient pure white light emission based on a three-component La:Eu,Tb-doped luminescent lanthanide metal–organic framework.
Authors: An, Yan-Yan1, Lu, Li-Ping1, Feng, Si-Si1,2, Zhu, Miao-Li1,2
Source: CrystEngComm. 4/14/2018, Vol. 20 Issue 14, p2043-2052. 10p.
Subjects: Rare earth metals, Luminescence, Photon emission
Abstract: A series of novel similar lanthanide metal–organic frameworks, namely, [Ln2L12L2(4−x−y)L3xL4y]·nH2O (LnMOF-1–13) (LnMOF-1: Ln = La, x = 0.7, y = 1.3, n = 4.7; LnMOF-2: Ln = Ce, x = 0.7, y = 1.3, n = 4.7; LnMOF-3: Ln = Pr, x = 1, y = 1, n = 5; LnMOF-4: Ln = Sm, x = 1, y = 1, n = 2.5; LnMOF-5: Ln = Eu, x = 1, y = 1, n = 3; LnMOF-6: Ln = Tb, x = 0, y = 2, n = 2; LnMOF-7: Ln = Dy, x = 1, y = 1, n = 3; LnMOF-8: Ln = Er, x = 0, y = 1, n = 3; LnMOF-9: Ln = Nd, x = 1.4, y = 1.4, n = 3.6; LnMOF-10: Ln = Gd, x = 1, y = 1, n = 3; LnMOF-11: Ln = Ho, x = 1.6, y = 0, n = 3; LnMOF-12: Ln = La0.44Eu0.10Tb0.46, x = 1, y = 1, n = 7; LnMOF-13: Ln = La0.66Eu0.11Tb0.23, x = 1, y = 1, n = 7; L1 = 5-((4-formylphenoxy)methyl)isophthalic acid anion, L2 = C3H7ON, L3 = H2O, L4 = HCOOH), have been prepared using a solvothermal method and characterized by single crystal and powder X-ray diffraction, IR spectroscopy, elemental analysis and thermogravimetric analysis. All structures are similar and possess a 3D binodal (3,6)-connected net with the point symbol (42·6)2(44·62·87·102). Furthermore, the luminescence measurements indicate that compounds LnMOF-5 and LnMOF-6 display intense characteristic red and yellowish-green emission with quantum yields of 23.30% & 28.25%, respectively. And the three-component La:Eu,Tb-doped compounds exhibit white emission under UV irradiation, especially the compound LnMOF-12 which exhibits the Commission International de l'Eclairage (CIE) chromaticity coordinate (0.332, 0.333) with pure white light emission (Φ = 11.22% at 345 nm). Additionally, the magnetic properties of LnMOF-10 are also investigated. [ABSTRACT FROM AUTHOR]
Copyright of CrystEngComm is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: Efficient pure white light emission based on a three-component La:Eu,Tb-doped luminescent lanthanide metal–organic framework.
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  Data: <searchLink fieldCode="JN" term="%22CrystEngComm%22">CrystEngComm</searchLink>. 4/14/2018, Vol. 20 Issue 14, p2043-2052. 10p.
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  Data: A series of novel similar lanthanide metal–organic frameworks, namely, [Ln2L12L2(4−x−y)L3xL4y]·nH2O (LnMOF-1–13) (LnMOF-1: Ln = La, x = 0.7, y = 1.3, n = 4.7; LnMOF-2: Ln = Ce, x = 0.7, y = 1.3, n = 4.7; LnMOF-3: Ln = Pr, x = 1, y = 1, n = 5; LnMOF-4: Ln = Sm, x = 1, y = 1, n = 2.5; LnMOF-5: Ln = Eu, x = 1, y = 1, n = 3; LnMOF-6: Ln = Tb, x = 0, y = 2, n = 2; LnMOF-7: Ln = Dy, x = 1, y = 1, n = 3; LnMOF-8: Ln = Er, x = 0, y = 1, n = 3; LnMOF-9: Ln = Nd, x = 1.4, y = 1.4, n = 3.6; LnMOF-10: Ln = Gd, x = 1, y = 1, n = 3; LnMOF-11: Ln = Ho, x = 1.6, y = 0, n = 3; LnMOF-12: Ln = La0.44Eu0.10Tb0.46, x = 1, y = 1, n = 7; LnMOF-13: Ln = La0.66Eu0.11Tb0.23, x = 1, y = 1, n = 7; L1 = 5-((4-formylphenoxy)methyl)isophthalic acid anion, L2 = C3H7ON, L3 = H2O, L4 = HCOOH), have been prepared using a solvothermal method and characterized by single crystal and powder X-ray diffraction, IR spectroscopy, elemental analysis and thermogravimetric analysis. All structures are similar and possess a 3D binodal (3,6)-connected net with the point symbol (42·6)2(44·62·87·102). Furthermore, the luminescence measurements indicate that compounds LnMOF-5 and LnMOF-6 display intense characteristic red and yellowish-green emission with quantum yields of 23.30% & 28.25%, respectively. And the three-component La:Eu,Tb-doped compounds exhibit white emission under UV irradiation, especially the compound LnMOF-12 which exhibits the Commission International de l'Eclairage (CIE) chromaticity coordinate (0.332, 0.333) with pure white light emission (Φ = 11.22% at 345 nm). Additionally, the magnetic properties of LnMOF-10 are also investigated. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Group: Ab
  Data: <i>Copyright of CrystEngComm is the property of Royal Society of Chemistry and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1039/c8ce00008e
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      – Code: eng
        Text: English
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        PageCount: 10
        StartPage: 2043
    Subjects:
      – SubjectFull: Rare earth metals
        Type: general
      – SubjectFull: Luminescence
        Type: general
      – SubjectFull: Photon emission
        Type: general
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      – TitleFull: Efficient pure white light emission based on a three-component La:Eu,Tb-doped luminescent lanthanide metal–organic framework.
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            NameFull: An, Yan-Yan
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            NameFull: Lu, Li-Ping
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            NameFull: Feng, Si-Si
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            NameFull: Zhu, Miao-Li
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            – D: 14
              M: 04
              Text: 4/14/2018
              Type: published
              Y: 2018
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