| 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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Tenhu, Heikki
University of Helsinki
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (35/35 displayed)
- 2024Clay Composites by In Situ Polymerization of Ionic Liquid-Based Dispersions
- 2023Clay Composites by In Situ Polymerization of Ionic Liquid-Based Dispersions
- 2022Well-dispersed clay in photopolymerized poly(ionic liquid) matrixcitations
- 2020Poly(N,N-dimethylaminoethyl methacrylate) for removing chromium (VI) through polymer-enhanced ultrafiltration techniquecitations
- 2018Poly(N,N-dimethylaminoethyl methacrylate) for removing chromium (VI) through polymer-enhanced ultrafiltration techniquecitations
- 2017Water-Dispersible Silica-Polyelectrolyte Nanocomposites Prepared via Acid-Triggered Polycondensation of Silicic Acid and Directed by Polycationscitations
- 2016Rheological properties of thermoresponsive nanocomposite hydrogelscitations
- 2016AuNP-Polymeric Ionic Liquid Composite Multicatalytic Nanoreactors for One-Pot Cascade Reactionscitations
- 2016Water-dispersible silica-polyelectrolyte nanocomposites prepared via acid-triggered polycondensation of silicic acid and directed by polycations.citations
- 2016Water-Dispersible Silica-Polyelectrolyte Nanocomposites Prepared via Acid-Triggered Polycondensation of Silicic Acid and Directed by Polycationscitations
- 2016AuNP−polymeric ionic liquid composite multicatalytic nanoreactors for one-pot cascade reactionscitations
- 2013pH dependent polymer surfactants for hindering BSA adsorption to oil-water interface
- 2013Thermoresponsiveness of PDMAEMA. Electrostatic and stereochemical effectscitations
- 2013Imidazolium-Based Poly(ionic liquid)s as New Alternatives for CO2 Capture.citations
- 2012Polymer-Modulated Optical Properties of Gold Solscitations
- 2012Polymer-Modulated Optical Properties of Gold Solscitations
- 2012IR-sintering of ink-jet printed metal-nanoparticles on papercitations
- 2012Screening of the effect of biocidal agents released from poly (acrylic acid) matrices on mould growthcitations
- 2012Crystal morphology modification by the addition of tailor-made stereocontrolled poly(N-isopropyl acrylamide)citations
- 2011Characterization of Water-Dispersible n-Type Poly(benzimidazobenzophenanthroline) Derivatives.citations
- 2009Poly(ethylene imine) and Tetraethylenepentamine as Protecting Agents for Metallic Copper Nanoparticlescitations
- 2009Grafting of montmorillonite nano-clay with butyl acrylate and methyl methacrylate by atom transfer radical polymerization: Blends with poly(BuA-co-MMA).citations
- 2009Tuning the structure of thermosensitive gold nanoparticle monolayerscitations
- 2009Rheological properties of associative star polymers in aqueous solutionscitations
- 2009Grafting of montmorillonite nano-clay with butyl acrylate and methyl methacrylate by atom transfer radical polymerizationcitations
- 2009Rheological Properties of Associative Star Polymers in Aqueous Solutions: Effect of Hydrophobe Length and Polymer Topologycitations
- 2009Association behavior and properties of copolymers of perfluorooctyl ethyl methacrylate and eicosanyl methacrylatecitations
- 2008Direct Imaging of Nanoscopic Plastic Deformation below Bulk Tg and Chain Stretching in Temperature-Responsive Block Copolymer Hydrogels by Cryo-TEMcitations
- 2007Metallic nanoparticles in a polymeric matrix
- 2007Metallic nanoparticles in a polymeric matrix:Electrical impedance switching and negative differential resistance
- 2007Phase behavior and temperature-responsive molecular filters based on self-assembly of polystyrene-block-poly(N-isopropylacrylamide)-block-polystyrenecitations
- 2006A New method for measuring free drug concentrationcitations
- 2005Physical Properties of Aqueous Solutions of a Thermo-Responsive Neutral Copolymer and an Anionic Surfactantcitations
- 2005Association in Aqueous Solutions of a Thermoresponsive PVCL-g-C11EO42 Copolymer.citations
- 2004Complexation of DNA with Poly(methacryl oxyethyl trimethylammonium chloride) and Its Poly(oxyethylene) Grafted Analogue.citations
Places of action
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article
Poly(ethylene imine) and Tetraethylenepentamine as Protecting Agents for Metallic Copper Nanoparticles
Abstract
The aim of this research was to explore the use of amine containing polymeric and low molar mass organic protecting agents in the preparation of copper nanoparticles. Particles were synthesized using poly(ethylene imine) (PEI) or tetraethylenepen tamine (TEPA) as protecting agents. The resulting particles were studied with UV-vis spectrometry, thermogravimetry, scanning electron microscopy, and transmission electron microscopy, wide angle X-ray scattering with heating. X-ray photoelectron spectroscopy, and Auger electron spectroscopy. The average crystal sizes for the particles were at room temperature 8.5 and 19.4 nm for PEI and TEPA respectively, and some surface oxidation was observed. The particles were sintered on paper and the resistance and resistivity were measured. For Cu/PEI samples, the protecing agent was removed upon sintering at relatively low temperatures (between 150 and 200 degrees C). At this temperature range, particles exhibited a rapid increase in the crystal size. Sintered particles exhibited high conductivity, indicating that these kinds of materials might find use in paper based printing.