Thermostable 1D Lanthanide 4-Phenylbenzoate Polymers [Ln(4-phbz)3]n(Ln = Sm, Eu, Gd, Tb, Dy, Ho) with Isolated Metal Chains: Synthesis, Structure, Luminescence, and Magnetic Properties
Igor S Evstifeev
1
,
Evgenia A. Varaksina
2, 3, 4
,
Ilya V. Taydakov
2, 3
,
Zhanna V Dobrokhotova
1
,
Grygory G. Aleksandrov
1
,
Igor L. Eremenko
1, 3
Publication type: Journal Article
Publication date: 2017-06-14
scimago Q2
wos Q3
SJR: 0.459
CiteScore: 3.9
Impact factor: 2.0
ISSN: 14341948, 10990682
Inorganic Chemistry
Abstract
New 1D polymers with general formula [Ln(4-phbz)3]n, where Ln = Sm, Eu, Gd, Tb, Dy, Ho, and 4-phbz is the 4-phenylbenzoate anion, were synthesized by the reaction of Ln(NO3)3∙xH2O, 4-phenylbenzoic acid and dry KOH. Thermal analysis shows that [Eu(4-phbz)3]n is thermally stable in an inert atmosphere up to 350 oC and melts at 297 oC. It was shown that the 4-phenylbenzoate anion (E(T1) ~ 22500 cm-1) in [Ln(4-phbz)3]n can play the role of an antenna and sensitize the luminescence of Eu3+ and Tb3+ ions. Analysis of magnetic data of the [Gd(4-phbz)3]n complex reveals weak antiferromagnetic coupling between Gd3+ ions (J = -0.053 cm-1). The [Dy(4-phbz)3]n compound shows noticeable frequency-dependent χ'' signals indicating slow magnetic relaxation and single-molecule magnet behavior with the energy barrier of ΔEeff/kB = 5 K.
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Evstifeev I. S. et al. Thermostable 1D Lanthanide 4-Phenylbenzoate Polymers [Ln(4-phbz)3]n(Ln = Sm, Eu, Gd, Tb, Dy, Ho) with Isolated Metal Chains: Synthesis, Structure, Luminescence, and Magnetic Properties // European Journal of Inorganic Chemistry. 2017. Vol. 2017. No. 22. pp. 2892-2904.
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Evstifeev I. S., Efimov N. N., Varaksina E. A., Taydakov I. V., Mironov V. S., Dobrokhotova Z. V., Aleksandrov G. G., Kiskin M. A., Eremenko I. L. Thermostable 1D Lanthanide 4-Phenylbenzoate Polymers [Ln(4-phbz)3]n(Ln = Sm, Eu, Gd, Tb, Dy, Ho) with Isolated Metal Chains: Synthesis, Structure, Luminescence, and Magnetic Properties // European Journal of Inorganic Chemistry. 2017. Vol. 2017. No. 22. pp. 2892-2904.
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TY - JOUR
DO - 10.1002/ejic.201700089
UR - https://doi.org/10.1002/ejic.201700089
TI - Thermostable 1D Lanthanide 4-Phenylbenzoate Polymers [Ln(4-phbz)3]n(Ln = Sm, Eu, Gd, Tb, Dy, Ho) with Isolated Metal Chains: Synthesis, Structure, Luminescence, and Magnetic Properties
T2 - European Journal of Inorganic Chemistry
AU - Evstifeev, Igor S
AU - Efimov, Nikolay N.
AU - Varaksina, Evgenia A.
AU - Taydakov, Ilya V.
AU - Mironov, Vladimir S.
AU - Dobrokhotova, Zhanna V
AU - Aleksandrov, Grygory G.
AU - Kiskin, Mikhail A.
AU - Eremenko, Igor L.
PY - 2017
DA - 2017/06/14
PB - Wiley
SP - 2892-2904
IS - 22
VL - 2017
SN - 1434-1948
SN - 1099-0682
ER -
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@article{2017_Evstifeev,
author = {Igor S Evstifeev and Nikolay N. Efimov and Evgenia A. Varaksina and Ilya V. Taydakov and Vladimir S. Mironov and Zhanna V Dobrokhotova and Grygory G. Aleksandrov and Mikhail A. Kiskin and Igor L. Eremenko},
title = {Thermostable 1D Lanthanide 4-Phenylbenzoate Polymers [Ln(4-phbz)3]n(Ln = Sm, Eu, Gd, Tb, Dy, Ho) with Isolated Metal Chains: Synthesis, Structure, Luminescence, and Magnetic Properties},
journal = {European Journal of Inorganic Chemistry},
year = {2017},
volume = {2017},
publisher = {Wiley},
month = {jun},
url = {https://doi.org/10.1002/ejic.201700089},
number = {22},
pages = {2892--2904},
doi = {10.1002/ejic.201700089}
}
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Evstifeev, Igor S., et al. “Thermostable 1D Lanthanide 4-Phenylbenzoate Polymers [Ln(4-phbz)3]n(Ln = Sm, Eu, Gd, Tb, Dy, Ho) with Isolated Metal Chains: Synthesis, Structure, Luminescence, and Magnetic Properties.” European Journal of Inorganic Chemistry, vol. 2017, no. 22, Jun. 2017, pp. 2892-2904. https://doi.org/10.1002/ejic.201700089.