| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Neves, Ic
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2021Performance of self-cleaning cotton textiles coated with TiO2, TiO2-SiO2 and TiO2-SiO2-HY in removing Rhodamine B and Reactive Red 120 dyes from aqueous solutionscitations
- 2020Binuclear furanyl-azine metal complexes encapsulated in NaY zeolite as efficiently heterogeneous catalysts for phenol hydroxylationcitations
- 2019Photocatalytic performance of N-doped TiO(2)nano-SiO2-HY nanocomposites immobilized over cotton fabricscitations
- 2015Preparation and assessment of antimicrobial properties of bimetallic materials based on NaY zeolitecitations
- 2013Nanocomposites of poly(epsilon-caprolactone) doped with titanium speciescitations
- 2011Encapsulation of alpha-cyano-4-hydroxycinnamic acid into a NaY zeolitecitations
- 2011Stability of nanocomposites of poly(epsilon-caprolactone) with tungsten trioxidecitations
- 2010Enhancement of the Dielectric Constant and Thermal Properties of alpha-Poly(vinylidene fluoride)/Zeolite Nanocompositescitations
- 2009Redox properties of (1-(2-pyridylazo)-2-naphthol)copper(II) encapsulated in Y Zeolitecitations
- 2008Immobilization of Fe(III) complexes of pyridazine derivatives prepared from biosorbents supported on zeolitescitations
- 2008Organic-inorganic hybrid matrix doped with alkenyldiazenido complexes of molybdenumcitations
- 2004Synthesis and immobilization of molybdenum complexes in a pillared layered claycitations
Places of action
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article
Redox properties of (1-(2-pyridylazo)-2-naphthol)copper(II) encapsulated in Y Zeolite
Abstract
The electroactivity of zeolite-encapsulated redox-active transition metal complexes was explored for copper(II)-PAN (PAN = 1-(2-pyridylazo)-2-naphthol) complex encaged in the supercages of Y zeolite. Copper(II)-PAN complex and the zeolite boundary were investigated electrochemically by dispersion with a Nafion/water solution on carbon Toray as supporting electrode. Encapsulation was achieved by: (i) ion exchange of copper(II) in NaY zeolite and (ii) coordination of the intrazeolite metal ion with the PAN ligand using an L:copper(II) molar ratio of 2:1. The resulting materials were characterized by cyclic voltammetry in zeolite modified electrodes, surface analysis (XPS, SEM and XRD), spectroscopic methods (EPR and FTIR) and chemical analysis, which indicated that the copper(II)-PAN complex was effectively encapsulated inside the supercages of NaY, without any modification of the morphology and structure of the zeolite. The coordination geometry of Y-encapsulated copper(II)-PAN complex has been obtained with preferentially 1: 1 stoichiometry analogous to the model complex, [CuCl(PAN)], by molecular simulations. For the cyclic voltammetry studies, the electrochemical behavior of free complex was compared with copper(II)-PAN complex encapsulated in Y zeolite. The results show evidence for electroactivity restricted to the boundary associated to the copper(II)-PAN complex.