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New Luminescent Lanthanide Tetrakis‐Complexes NEt 4 [LnL 4 ] Based on Dimethyl‐N‐Benzoylamidophosphate
Autorzy
Rok wydania
2022
Czasopismo
Numer woluminu
23
Strony
e202200129/1-e202200129/14
DOI
10.1002/cphc.202200129
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
New lanthanide dimethyl-N-benzoylamidophosphate (HL) based tetrakis-complexes NEt4[LnL4] (Ln3+=La, Nd, Sm, Eu, Gd, Tb, Dy) are reported. The complexes are characterized by means of NMR, IR, absorption, and luminescent spectroscopy as well as by elemental, X-Ray, and thermal gravimetric analyses. The phenyl groups of the four ligands of the complex anion are directed towards one side, while the methoxy groups are directed in the opposite side, which makes the complexes under consideration structurally similar to calixarenes. The effect of changing the alkali metal counterion to the organic cation NEt4+ on the structure and properties of the tetrakis-complex [LnL4]- is analyzed. The complexes exhibit bright characteristic for respective lanthanides luminescence. Rather high intensity of the band of 5D0→7F4 transition, observed in the luminescence spectrum of NEt4[EuL4], is discussed based on theoretical calculations.
Słowa kluczowe
Lanthanide, carbacylamidophosphate, coordination compounds, luminescence, thermal gravimetric analysis
Adres publiczny
http://dx.doi.org/10.1002/cphc.202200129
Strona internetowa wydawcy
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