Browsing by Subject "Europium"

Article

Competitive sorption of Cu(II) and Eu(III) ions on olive-cake carbon in aqueous solutions - A potentiometric study

Konstantinou, M.; Pashalidis, Ioannis (2010)

The competitive sorption of Cu(II) and Eu(III) ions from aqueous solutions by olive-cake carbon, has been investigated by potentiometry at pH 6, I = 0.1 M NaClO4, 25°C and under normal atmospheric conditions. Evaluation ...

Article

Competitive sorption of Cu(II), Eu(III) and U(VI) ions on dunite in aqueous solutions: A potentiometric study

Konstantinou, M.; Pashalidis, Ioannis (2010)

The competitive sorption of Cu(II), Eu(III) and U(VI)) ions in aqueous solutions by dunite, has been investigated by potentiometry at pH 6, I = 0.1 M NaClO4 and 25°C. Numerical analysis of the experimental data supports ...

Article

Electroluminescence from a volatile europium complex

Stathatos, Elias; Panayiotidou, L.; Lianos, P.; Keramidas, Anastasios D. (2006)

Three new strongly chelating heterocyclic ligands containing pyridine, imidazole and triazine rings have been used to make ternary complexes of Europium(III) ions together with trifluoroacetylacetonate. The complex containing ...

Article

Enhanced photon harvesting in silicon multicrystalline solar cells by new lanthanide complexes as light concentrators

Katsagounos, G.; Stathatos, Elias; Arabatzis, N. B.; Keramidas, Anastasios D.; Lianos, P. (2011)

Four europium complexes with enhanced luminescent properties have been synthesized. Thin transparent films of the complexes were prepared on glass panes and then were examined as efficient luminescent solar concentrators ...

Article

Europium adsorption by non-treated and chemically modified opuntia ficus indica cactus fibres in aqueous solutions

Prodromou, Melpomeni; Pashalidis, Ioannis (2016)

The sorption efficiency of Opuntia ficus indica cactus fibres regarding the removal of trivalent europium (Eu(III)) from aqueous solutions has been investigated prior and after the chemical treatment (phosphorylation and ...

Article

Flexible lanthanide MOFs as highly selective and reusable liquid MeOH sorbents

Efthymiou, Constantinos G.; Kyprianidou, Eleni J.; Milios, Constantinos J.; Manos, Manolis J.; Tasiopoulos, Anastasios J. (2013)

A series of new 3-D Ln3+ metal-organic frameworks (MOFs), which are based on the semi-rigid ligand H3CIP [H3CIP = 5-(4-carboxybenzylideneamino)isophthalic acid], [Ln2(CIP) 2(DMF)4-x(H2O)x] (Ln3+ = La3+, Ce3+, Pr3+, Sm3+, ...

Article

Potentiometric investigations on the interaction of humic acid with Cu(II) and Eu(III) ions

Kolokassidou, C.; Pashalidis, Ioannis (2006)

The interaction of Cu(II) and Eu(III) ions with humic acid has been studied by potentiometry under normal atmospheric conditions at pH 6, I = 0.1 M (NaClO4) at room temperature (23 ±2°C). The investigation was performed ...

Article

Quantitative description and local structures of trivalent metal ions Eu(III) and Cm(III) complexed with polyacrylic acid

Montavon, G.; Bouby, M.; Huclier-Markai, S.; Grambow, B.; Geckeis, H.; Rabung, T.; Pashalidis, Ioannis; Amekraz, B.; Moulin, C. (2008)

The trivalent metal ion (M(III) = Cm, Eu)/polyacrylic acid (PAA) system was studied in the pH range between 3 and 5.5 for a molar PAA-to-metal ratio above 1. The interaction was studied for a wide range of PAA (0.05 mg ...

Article

Single crystal coordinating solvent exchange as a general method for the enhancement of the photoluminescence properties of lanthanide MOFsAAA

Kyprianidou, Eleni J.; Lazarides, T.; Kaziannis, S.; Kosmidis, C.; Itskos, Grigorios; Manos, Manolis J.; Tasiopoulos, Anastasios J. (2014)

The discovery of new methods for the post-synthesis modification of materials is essential in order to establish suitable strategies for the tuning of their properties in a rational manner. Here we present a series of ...

Article

Single crystal coordinating solvent exchange as a general method for the enhancement of the photoluminescence properties of lanthanide MOFsAAA

Kyprianidou, Eleni J.; Lazarides, T.; Kaziannis, S.; Kosmidis, C.; Itskos, Grigorios; Manos, Manolis J.; Tasiopoulos, Anastasios J. (2014)

The discovery of new methods for the post-synthesis modification of materials is essential in order to establish suitable strategies for the tuning of their properties in a rational manner. Here we present a series of ...

Article

Sorption of Cu(II) and Eu(III) ions from aqueous solution by olive cake

Konstantinou, M.; Kolokassidou, K.; Pashalidis, Ioannis (2007)

The sorption of Cu(II) on olive cake, a biomass by-product of olive oil production, has been investigated by potentiometry at pH 6, I=0.1 M NaClO 4, 25∈°C and under atmospheric conditions. Numerical analysis of the ...

Article

Structure, reactivity, luminescence and magnetism of dinuclear Ln 3+ complexes produced by the Ln3+-assisted hydrolysis of 3,6-bis(2-pyridyl)tetrazine

Panayiotidou, L.; Drouza, C.; Arabatzis, N.; Lianos, P.; Stathatos, E.; Viskadourakis, Z.; Giapintzakis, John; Keramidas, A. D. (2013)

Twelve Pr3+, Sm3+, Eu3+, Gd3+, Tb3+ and Dy3+ complexes of N-(pyridin-2-ylmethylene) picolinohydrazonate (phzp-) were synthesized by the Ln3+ assisted hydrolysis of 3,6-bis(2-pyridyl)-1,2,4,5-tetrazine. Crystallographic ...

Article

Structure, reactivity, luminescence and magnetism of dinuclear Ln 3+ complexes produced by the Ln3+-assisted hydrolysis of 3,6-bis(2-pyridyl)tetrazine

Panayiotidou, L.; Drouza, Chryssoula; Arabatzis, N. B.; Lianos, P.; Stathatos, Elias; Viskadourakis, Zacharias A.; Giapintzakis, Ioannis; Keramidas, Anastasios D. (2013)

Twelve Pr3+, Sm3+, Eu3+, Gd3+, Tb3+ and Dy3+ complexes of N-(pyridin-2-ylmethylene) picolinohydrazonate (phzp-) were synthesized by the Ln3+ assisted hydrolysis of 3,6-bis(2-pyridyl)-1,2,4,5-tetrazine. Crystallographic ...

Article

Studies on the interaction of olive cake and its hydrophylic extracts with polyvalent metal ions (Cu(II), Eu(III)) in aqueous solutions

Konstantinou, M.; Kolokassidou, K.; Pashalidis, Ioannis (2009)

The paper presents and discusses the chemical affinity of two different forms of natural organic matter (e.g. in solid (SOM) and soluble form (DOM)) for Cu2+ and Eu3+ ions. In the this study SOM is represented by olive ...

Article

Synthesis, crystal structure and luminescence of novel Eu3+, Sm3+ and Gd3+ complexes of 1,3,5- and 1,2,4-triazines

Panayiotidou, L.; Stylianou, Marios; Arabatzis, N. B.; Drouza, Chryssoula; Lianos, P.; Stathatos, Elias; Keramidas, Anastasios D. (2013)

New Eu3+, Sm3+ and Gd3+ complexes of triazine ligands 2,4,6-tri(2-pyridyl)-1,3,5-triazine, 3,5,6-tri(2-pyridyl)-1,2, 4-triazine and 5,6-diphenyl-3-(2-pyridyl)-1,2,4-triazine were synthesized. The structure of five of them ...

Doctoral Thesis Open Access

Ανάλυση και χημική συμπεριφορά ουρανίου και άλλων ακτινίδων σε φυσικά/περιβαλλοντικά συστήματα της Κύπρου

Ευσταθίου, Μαρία Π. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2014-12)

Αντικείμενο μελέτης της παρούσας Διδακτορικής Διατριβής αποτελεί η κατανόηση της χημικής συμπεριφοράς ραδιενεργών στοιχείων σε φυσικό περιβαλλοντικά συστήματα (υπόγεια, θαλάσσια ύδατα και θαλάσσια ιζήματα), καθώς επίσης ...

Doctoral Thesis Open Access

Μελέτη προσρόφησης μεταλλοϊόντων (Cu(II), Eu(III), U(VI)) σε βιομάζα και ανόργανα στερεά

Κωνσταντίνου, Μαρία Χρ. (Πανεπιστήμιο Κύπρου, Σχολή Θετικών και Εφαρμοσμένων Επιστημών / University of Cyprus, Faculty of Pure and Applied Sciences, 2008-05)

Αντικείμενο έρευνας της παρούσας Διδακτορικής Διατριβής, αποτελεί η προσρόφηση μεταλλοϊόντων σε επιφάνειες οργανικών και ανόργανων στερεών. Συγκεκριμένα, η παρούσα ερευνητική εργασία εστιάζεται στη μελέτη της προσρόφησης ...