| 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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Kooij, Ernst Stefan
University of Twente
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2019Brush Swelling and Attachment Strength of Barnacle Adhesion Protein on Zwitterionic Polymer Films as a Function of Macromolecular Structurecitations
- 2015Colloidal Route to Bio-inspired Hierarchical Superhydrophobic Substrates
- 2015Amplified responsiveness of multi-layered, polymer grafts: Synergy between brushes and hydrogelscitations
- 2015Innovative gold nanoparticle patterning and selective metallization
- 2013Selective metallization by seeded growth on patterned gold nanoparticle arrayscitations
- 2011Novel, highly selective gold nanoparticle patterning on surfaces using pure watercitations
- 2011Dielectrophoretic alignment of metal and metal oxide nanowires and nanotubescitations
- 2008Field induced phase segregation in ferrofluidscitations
- 2006Seeded-Growth Approach to Selective Metallization of Microcontact-Printed Patternscitations
- 2005Photoluminescence from undoped silicon after chemical etching combined with metal platingcitations
- 2004Electrochemically Induced Morphology and Volume Changes in Surface-Grafted Poly(ferrocenyldimethylsilane) Monolayerscitations
- 2004Ellipsometric characterisation of heterogeneous 2D layerscitations
- 2003Structural and optical characterization of porous anodic aluminium oxidecitations
- 2002Hysteresis in YHx films observed with in situ measurementscitations
- 2001Structural, electrical, and optical properties of La1-z YzHx switchable mirrorscitations
- 2001Structural, optical and electronic properties of LaMgHx switchable mirrorscitations
- 2000Quenching of Giant Hysteresis Effects in La1-zYzHx Switchable Mirrorscitations
Places of action
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article
Electrochemically Induced Morphology and Volume Changes in Surface-Grafted Poly(ferrocenyldimethylsilane) Monolayers
Abstract
Poly(ferrocenyldimethylsilanes), composed of alternating ferrocene and dimethylsilane units in their main chain and featuring a thiol end group, were self-assembled to redox-active monolayers on gold. Electrochemical atomic force microscopy was employed to study the morphology of the monolayers as a function of the applied potential in situ. Surface plasmon resonance spectroscopy and spectroscopic ellipsometry measurements, performed under electrochemical control, indicated thickness changes of up to 15% upon oxidizing and reducing the surface-grafted polymers. X-ray reflectivity measurements unambiguously showed a thickness increase upon electrochemical oxidation of the monolayers. The reversible thickness change was attributed to stretching of the polymer chains upon oxidation due to an increase in charge density and to the attraction of counterions and associated solvent molecules, which are released when the polymer film is reduced to its neutral state.