Jump to main content
Jump to site search

Issue 14, 2018
Previous Article Next Article

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

Author affiliations

Abstract

A series of novel similar lanthanide metal–organic frameworks, namely, [Ln2L12L2(4−xy)L3xL4ynH2O (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.

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

Back to tab navigation

Supplementary files

Publication details

The article was received on 03 Jan 2018, accepted on 01 Mar 2018 and first published on 02 Mar 2018


Article type: Paper
DOI: 10.1039/C8CE00008E
Citation: CrystEngComm, 2018,20, 2043-2052
  •   Request permissions

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

    Y. An, L. Lu, S. Feng and M. Zhu, CrystEngComm, 2018, 20, 2043
    DOI: 10.1039/C8CE00008E

Search articles by author

Spotlight

Advertisements