| 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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Tedim, J.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (22/22 displayed)
- 2021Insights into corrosion behaviour of uncoated Mg alloys for biomedical applications in different aqueous mediacitations
- 2021Insights into corrosion behaviour of uncoated Mg alloys for biomedical applications in different aqueous mediacitations
- 2020Layered double hydroxides (LDHs) as functional materials for the corrosion protection of aluminum alloys: A reviewcitations
- 2019Layered Double Hydroxide Clusters as Precursors of Novel Multifunctional Layers: A Bottom-Up Approachcitations
- 2018A novel bilayer system comprising LDH conversion layer and sol-gel coating for active corrosion protection of AA2024citations
- 2017PEO Coatings with Active Protection Based on In-Situ Formed LDH-Nanocontainerscitations
- 2017How Density Functional Theory Surface Energies May Explain the Morphology of Particles, Nanosheets, and Conversion Films Based on Layered Double Hydroxidescitations
- 2017Hierarchically organized Li–Al-LDH nano-flakes: a low-temperature approach to seal porous anodic oxide on aluminum alloyscitations
- 2016Corrosion protection of AA2024-T3 by LDH conversion films. Analysis of SVET resultscitations
- 2016Sealing of tartaric sulfuric (TSA) anodized AA2024 with nanostructured LDH layerscitations
- 2016Corrosion protection of AA2024 by sol–gel coatings modified with MBT-loaded polyurea microcapsulescitations
- 2016Interlayer intercalation and arrangement of 2-mercaptobenzothiazolate and 1,2,3-benzotriazolate anions in layered double hydroxides: In situ X-ray diffraction studycitations
- 2015Polyelectrolyte-modified layered double hydroxide nanocontainers as vehicles for combined inhibitorscitations
- 2014Active sensing coating for early detection of corrosion processescitations
- 2012Chitosan-based self-healing protective coatings doped with cerium nitrate for corrosion protection of aluminum alloy 2024citations
- 2011Modulating spectroelectrochemical properties of [Ni(salen)] polymeric films at molecular levelcitations
- 2011Self-healing protective coatings with "green" chitosan based pre-layer reservoir of corrosion inhibitorcitations
- 2010Solid-State Electrochromic Cells Based on [M(salen)]-Derived Electroactive Polymer Filmscitations
- 2010Structural and electrochemical characterisation of [Pd(salen)]-type conducting polymer filmscitations
- 2009Modulation of electroactive polymer film dynamics by metal ion complexation and redox switchingcitations
- 2008Preparation and characterization of poly[Ni(salen)(crown receptor)]/multi-walled carbon nanotube composite filmscitations
- 2007Correlating structure and ion recognition properties of [Ni(salen)]-based polymer filmscitations
Places of action
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article
Structural and electrochemical characterisation of [Pd(salen)]-type conducting polymer films
Abstract
The oxidative polymerisation of four structurally-related [Pd(salen)] complexes and characterisation of the resulting polymeric films by cyclic voltammetry (CV). UV-visible transmission spectroscopy, X-ray absorption spectroscopy (XAS) and X-ray photoelectron spectroscopy (XPS) is reported. The voltammetric technique gives insight into the electrochemical properties of the polymeric films whereas UV-visible spectroscopy is used to characterise the electronic structure of Pd electroactive films, of particular relevance to the type of charge carriers. X-ray techniques (supported by density functional theory, DFT) provide information related to composition and structural features of [Pd(salen)] precursors and the resulting polymers. Characterisation of poly[Pd(salen)] films shows that the electrochemical response of these supramolecular systems is ligand-based and dependent upon substituents in the diimine bridge and aldehyde moieties. XAS measurements near the Pd K-edge demonstrate that polymerisation of the Pd complexes does not change the coordination sphere of the Pd centre; this is consistent with the coupling of monomers units via phenyl rings. As further evidence of ligand-based electrochemical responses, polymer doping does not impart any changes at the Pd centre or its coordination sphere. Compositional analysis by XPS confirms that C: Pd, N: Pd and O: Pd surface atomic ratios do not change significantly from monomer to undoped or doped polymer, except for small variations associated with incorporation of electrolyte and solvent upon polymerisation and polymer oxidation. Overall, the data provide a picture of a polyaromatic delocalised electroactive system, in which the metal atom plays a templating (rather than electroactive) role.