Spectroscopic and electrochemical studies on the complexes of urea ligands with uranyl (VI) and europium (III) in ionic liquid
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Radioanalytical and Nuclear Chemistry"
DOI: 10.1007/s10967-020-07441-w
Abstract: The spectroscopic and electrochemical behavior of the complex of tetraalkylurea ligands with uranyl(VI) and europium(III) in ionic liquid 1-butyl-3-methylimidazolium bis(tri-fluoromethylsulfonyl)imide ([Bmim][NTf2]) was studied. As the steric hindrance of the substituent increases, the number of ligands… read more here.
Keywords: iii; iii ionic; spectroscopic electrochemical; ligands uranyl ... See more keywords
Synthesis and photoluminescent performance of novel europium (III) carboxylates with heterocyclic ancillary ligands
Sign Up to like & getrecommendations! Published in 2019 at "Rare Metals"
DOI: 10.1007/s12598-019-01261-y
Abstract: Five novel europium(III) complexes with 2-[4-(dibutylamino)-2-hydroxybenzoyl]benzoic acid (DAHB) as primary ligand and bathophenanthroline (batho), 2,2’-bipyridyl (bipy), 5,6-dimethyl-1,10-phenanthroline (dmph), 1,10-phenanthroline (phen) as ancillary ligands were synthesized via solution precipitation method. The structural formulae of synthesized complexes… read more here.
Keywords: europium iii; novel europium; spectroscopy; ancillary ligands ... See more keywords
Thermal behaviors and adsorption properties of two Europium(III) complexes based on 2-(4-carboxyphenyl)imidazo[4,5-f]-1,10-phenanthroline
Sign Up to like & getrecommendations! Published in 2018 at "Inorganica Chimica Acta"
DOI: 10.1016/j.ica.2017.11.046
Abstract: Abstract Two Europium(III) complexes [Eu(NCP)(1,4-bdc)]n·0.5H2O (1) and [Eu(NCP)(4,4′-bpdc)]n·0.75H2O (2) (HNCP = 2-(4-carboxyphenyl)imidazo(4,5-f)-(1,10)phenanthroline, 1,4-H2bdc = benzene-1,4-dicarboxylic acid, 4,4′-H2bpdc = 4,4′-biphenyldicarboxylic acid) have been hydrothermally synthesized and characterized via elemental analysis, infrared spectrometry and single crystal X-ray diffraction. Structural analyses revealed that two… read more here.
Keywords: carboxyphenyl imidazo; imidazo phenanthroline; iii complexes; two europium ... See more keywords
Nanothermometer based on intensity variation and emission lifetime of europium(III) benzoylacetonate complex
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2017.06.062
Abstract: Abstract Temperature dependence of the photophysical properties of europium(III) complex with the benzoylcetonate ligand were evaluated. The photostability of the complex and the temperature dependence of the 5 D 0 → 7 F 2 transition… read more here.
Keywords: temperature; based intensity; temperature dependence; nanothermometer based ... See more keywords
Preparation and luminescence performance of flexible films based on curdlan derivatives and europium (III) complexes as luminescent sensor for base/acid vapor
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Luminescence"
DOI: 10.1016/j.jlumin.2020.117241
Abstract: Abstract Herein we manifested an alternative route to synthesize water-soluble biopolymers from natural polysaccharides by chemically modifying aminated curdlan with succinic acid (SA) or ionic liquid (IL), and a series of flexible self-standing films were… read more here.
Keywords: acid; iii complexes; curdlan derivatives; luminescence ... See more keywords
A new luminescent bio-probe of Europium(III)-complex for sensing some biomolecules and CT-DNA
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Photochemistry and Photobiology A: Chemistry"
DOI: 10.1016/j.jphotochem.2019.01.002
Abstract: Abstract Here, we demonstrated a bio-probe based on Europium(III)-8-allyl-2-oxo-2H-chromene-3-carbaldehyde (AOCC) complex for sensing of N-acetylamino acids, nucleotides, nucleobases and CT-DNA in solution using time-resolved Luminescence method. The stoichiometry of the complex has been optimized to… read more here.
Keywords: iii; complex sensing; europium iii; aocc ... See more keywords
Synergic extraction of europium(III) in hydrophobic ammonium ionic liquid containing neutral and acidic extractants
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2020.113377
Abstract: Abstract The extraction behavior of europium(III) in a binary solution containing octylphenyl(N,N-diisobutylcarbamoylmethyl) phosphine oxide (CMPO) and bis-2-(2-ethylhexyl)phosphoric acid (D2EHPA) in ionic liquid medium has been reported in this paper. Methyltrioctylammonium bis(trifluoromethanesulfonyl)imide ([N1888][NTf2]) was used as… read more here.
Keywords: iii; extraction; europium iii; ionic liquid ... See more keywords
Solvent extraction of europium(III) trifluoromethanesulfonate into nitrobenzene by using [2.2.2]paracyclophane – Experimental and theoretical study
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Molecular Liquids"
DOI: 10.1016/j.molliq.2021.117280
Abstract: Abstract The extraction constant corresponding to the equilibrium Eu3+(aq) + 3A-(aq) + 1(nb) ⇌ 1 Eu3+(nb) + 3A–(nb) occurring in the two-phase water–nitrobenzene system ( A - = CF 3 SO 3 - ; 1 = [2.2.2]paracyclophane; aq = aqueous phase, nb = nitrobenzene phase) was determined as log Kex (Eu3+,3A–) = -5.7 ± 0.1.… read more here.
Keywords: solvent extraction; nitrobenzene; europium iii; extraction europium ... See more keywords
Structural, magnetic and fluorescence characterization of europium(III) azomethine complexes with asymmetric ligands
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DOI: 10.1016/j.poly.2021.115092
Abstract: Abstract In this work, complexes of europium (III) based on β-naphthol and phenol were synthesized and investigated by the methods of Mossbauer spectroscopy, NMR spectroscopy, thermogravimetry, mass spectroscopy. It was found that the structure of… read more here.
Keywords: structural magnetic; spectroscopy; europium iii; magnetic fluorescence ... See more keywords
Emerging waste-free non-destructive system based on molecular sensors originating from novel europium complexes for in-situ determination of polymer coating thickness
Sign Up to like & getrecommendations! Published in 2021 at "Progress in Organic Coatings"
DOI: 10.1016/j.porgcoat.2021.106527
Abstract: Abstract Herein, novel europium(III) complex derivatives dedicated to polymer chemistry applications as molecular sensors have been reported. The following are among them tris(4,4,4-trifluoro-1-phenylbutane-1,3-dione)europium(III) (BTA) and tris(4,4,4-trifluoro-1-(2-naphthyl)butane-1,3-dione)europium(III)] (NTA). To obtain the relevant europium complexes, they were… read more here.
Keywords: europium complexes; determination; europium; novel europium ... See more keywords
The SPE-assisted europium (III) based complex fluorometric assay for the highly selective and sensitive detection of manganese (II) in water.
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DOI: 10.1016/j.talanta.2019.120633
Abstract: Detection of trace manganese (Ⅱ) ion (Mn2+) is crucial to water safety. Here, commercially available PS-DVB microspheres were sulfonated and then filled into the SPE column in order to separate Mn2+ from complex matrices. Meanwhile,… read more here.
Keywords: mn2; highly selective; water; selective sensitive ... See more keywords