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Title

Metal-organic frameworks of lanthanide iminodiacetates and tartrates: Synthesis, structural characterization and luminescence properties—Commemorating the 100th anniversary of the birth of Academician Guangxian Xu

Publication Years
2021
Source Title
ISSN
1002-0721
Volume39Issue:5Pages:487-494
Abstract
Two series of lanthanide-containing metal-organic frameworks (Ln-MOFs) of the general formula{[Ln(HIDA)2H2O]ClO4?H2O}n (Ln=La (1), Nd (2), Eu (3), Gd (4), Tb (5), Eu:Tb (6);H2IDA=iminodiacetic acid) and [Ln(TT) (HTT) (H2O)3]n (Ln=Eu (7), Gd (8), Tb (9), Dy (10), and Eu:Tb (11);H2TT=tartaric acid) were synthesized by reacting Ln(ClO4)3 with iminodiacetic acid and L-tartaric acid, respectively. All compounds were structurally characterized by single-crystal X-ray diffraction. Elemental analyses are consistent with the corresponding crystallographically generated formulas. Moreover, the luminescence properties of both the single and mixed-lanthanide complexes were studied. Near infrared, red, and green emissions that are characteristic of Nd(Ⅲ), Eu(Ⅲ), and Tb(Ⅲ) are observed for 2, 3/7, and 5/9, respectively. For the two mixed-lanthanide complex systems 6 and 11, depending on the relative amount of Eu(Ⅲ) and Tb(Ⅲ), the color of emission can be fine-tuned. It is found that a small amount of Eu(Ⅲ) is adequate for the observation of the most intense transition of Eu(Ⅲ). This is believed to be a result of energy transfer from Tb(Ⅲ) to Eu(Ⅲ) within the same complex - a conclusion supported by the signif-icantly shortened lifetime of Tb(Ⅲ) and the accompanying enhanced lifetime of Eu(Ⅲ) in the mixed-lanthanide complex with respect to the corresponding values for the pure Tb(Ⅲ) and Eu(Ⅲ) com-plexes with the same ligand.
URL[Source Record]
Language
English
SUSTech Authorship
Others
ESI Research Field
CHEMISTRY
Data Source
WanFang
WanFangID
zgxtxb-e202105002
Document TypeJournal Article
Identifierhttp://kc.sustech.edu.cn/handle/2SGJ60CL/401968
DepartmentSouthern University of Science and Technology
Affiliation
1.Department of Chemistry and Biochemistry,University of Arizona,Tucson,AZ 85721,USA
2.Department of Chemistry,Southern University of Science and Technology,Shenzhen 518055,China
3.Department of Chemistry,University of Nevada,Reno,NV 89557,USA
4.Department of Chemistry and Biochemistry,University of Arizona,Tucson,AZ 85721,USA;Department of Chemistry,Southern University of Science and Technology,Shenzhen 518055,China
Recommended Citation
GB/T 7714
. Metal-organic frameworks of lanthanide iminodiacetates and tartrates: Synthesis, structural characterization and luminescence properties—Commemorating the 100th anniversary of the birth of Academician Guangxian Xu[J]. JOURNAL OF RARE EARTHS,2021,39(5):487-494.
APA
(2021).Metal-organic frameworks of lanthanide iminodiacetates and tartrates: Synthesis, structural characterization and luminescence properties—Commemorating the 100th anniversary of the birth of Academician Guangxian Xu.JOURNAL OF RARE EARTHS,39(5),487-494.
MLA
"Metal-organic frameworks of lanthanide iminodiacetates and tartrates: Synthesis, structural characterization and luminescence properties—Commemorating the 100th anniversary of the birth of Academician Guangxian Xu".JOURNAL OF RARE EARTHS 39.5(2021):487-494.
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