| 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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Schneider, Gerold A.
Deutsche Forschungsgemeinschaft
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (43/43 displayed)
- 2022Nanoindentation of Supercrystalline Nanocomposites:Linear Relationship Between Elastic Modulus and Hardnesscitations
- 2022Strengthening Engineered Nanocrystal Three-Dimensional Superlattices via Ligand Conformation and Reactivitycitations
- 2022Bridging Nanocrystals to Robust, Multifunctional, Bulk Materials through Nature-Inspired, Hierarchical Designcitations
- 2022Nanoindentation of Supercrystalline Nanocompositescitations
- 2021Constitutive and fracture behavior of ultra-strong supercrystalline nanocompositescitations
- 2021Deformation Behavior of Cross-Linked Supercrystalline Nanocomposites: An in Situ SAXS/WAXS Study during Uniaxial Compressioncitations
- 2021Deformation Behavior of Cross-Linked Supercrystalline Nanocompositescitations
- 2020Strong Macroscale Supercrystalline Structures by 3D Printing Combined with Self‐Assembly of Ceramic Functionalized Nanoparticlescitations
- 2019Hierarchical supercrystalline nanocomposites through the self-assembly of organically-modified ceramic nanoparticles
- 2019Hierarchical supercrystalline nanocomposites through the self-assembly of organically-modified ceramic nanoparticlescitations
- 2019Nanoindentation-based study of the mechanical behavior of bulk supercrystalline ceramic-organic nanocomposites
- 2019Stable crack propagation in free standing thermal sprayed Al 2 O 3 and Al 2 O 3 —ZrO 2 —TiO 2 coatingscitations
- 2019Iron oxide-based nanostructured ceramics with tailored magnetic and mechanical properties: Development of mechanically robust, bulk superparamagnetic materials
- 2019Iron oxide-based nanostructured ceramics with tailored magnetic and mechanical properties: development of mechanically robust, bulk superparamagnetic materialscitations
- 2019Advancing the fabrication of YSZ-inverse photonic glasses for broadband omnidirectional reflector films
- 2019Modulating the Mechanical Properties of Supercrystalline Nanocomposite Materials via Solvent–Ligand Interactionscitations
- 2018Dielectric breakdown toughness from filament induced dielectric breakdown in borosilicate glass
- 2018Photonic materials for high-temperature applications: synthesis and characterization by X-ray ptychographic tomography
- 2017Electric-field-induced phase transition in Mn-Doped (K0.48Na0.48Li0.04)NbO3 lead-free ceramics
- 2017Exceptionally strong, stiff and hard hybrid material based on an elastomer and isotropically shaped ceramic nanoparticlescitations
- 2017Highly porous α-Al 2 O 3 ceramics obtained by sintering atomic layer deposited inverse opals
- 2017Using dilute spouting for fabrication of highly filled metal-polymer composite materials
- 2016Effect of La and Mn on the properties of alkaline niobate-based piezoelectric ceramics
- 2015Investigation of the phase space in lead-free (K x Na1-x )1-y Li y (Nb1-z Ta z )O3 ferroelectric ceramics
- 2015Enhanced structural and phase stability of titania inverse opalscitations
- 2015Nanoporous-gold-based composites : toward tensile ductility
- 2015Yttria-stabilized zirconia microspheres: Novel building blocks for high-temperature photonics
- 2014Novel, highly-filled ceramic–polymer composites synthesized by a spouted bed spray granulation process
- 2014Attritor-milling of poly(amide imide) suspensions
- 2013A novel method for a multi-level hierarchical composite with brick-and-mortar structure
- 2013Size-dependence of the dielectric breakdown strength from nano- to millimeter scale
- 2012Piezoresponse force microscopy studies on (100), (110) and (111) epitaxial growth of BiFeO3 thin filmscitations
- 2011Temperature-dependent synchrotron powder diffraction phase studies of (K0.37Na0.52Li0.03)(Nb0.87Ta0.1Sb0.03)O3 ferroelectric ceramics
- 2010Size-dependent elastic-inelastic behavior of enamel over millimeter and nanometer length scales
- 2010Crack arrest within teeth at the dentinoenamel junction caused by elastic modulus mismatch
- 2010Mixed-mode stress intensity factors for kink cracks with finite kink length loaded in tension and bending
- 2010What do we know about surface charges on cracks in ferroelectric ceramics?
- 2010Effect of antimony substitution for niobium on the crystal structure, piezoelectric and dielectric properties of (K0.5Na0.5)NbO3 ceramicscitations
- 2010Determination of the multiaxial failure criteria for alumina ceramics under tension–torsion test
- 2009Determination of the Elastic-plastic Transition of Human Enamel by Nanoindentation
- 2009Investigation of the dielectric and piezoelectric properties of potassiumsodium niobate ceramics close to the phase boundary at (K0.35Na0.65)NbO3 and partial substitutions with lithium and antimony
- 2009Effect of MnO2 on the dielectric and piezoelectric properties of Alkaline Niobate based lead free piezoelectric ceramics
- 2007Structural micro-layered ceramics with surfaces under tension and compression with increasing apparent fracture toughnesscitations
Places of action
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article
Modulating the Mechanical Properties of Supercrystalline Nanocomposite Materials via Solvent–Ligand Interactions
Abstract
Supercrystalline nanocomposite materials with micromechanicalproperties approaching those of nacre or similarstructural biomaterials can be produced by self-assembly oforganically modified nanoparticles and further strengthened bycross-linking. The strengthening of these nanocomposites iscontrolled via thermal treatment, which promotes the formation ofcovalent bonds between interdigitated ligands on the nanoparticlesurface. In this work, it is shown how the extent of the mechanicalproperties enhancement can be controlled by the solvent used duringthe self-assembly step. We find that the resulting mechanicalproperties correlate with the Hansen solubility parameters of thesolvents and ligands used for the supercrystal assembly: the hardnessand elastic modulus decrease as the Hansen solubility parameter of the solvent approaches the Hansen solubility parameter ofthe ligands that stabilize the nanoparticles. Moreover, it is shown that self-assembled supercrystals that are subsequentlyuniaxially pressed can deform up to 6 %. The extent of this deformation is also closely related to the solvent used during the selfassemblystep. These results indicate that the conformation and arrangement of the organic ligands on the nanoparticle surfacenot only control the self-assembly itself but also influence the mechanical properties of the resulting supercrystalline material.The Hansen solubility parameters may therefore serve as a tool to predict what solvents and ligands should be used to obtainsupercrystalline materials with good mechanical properties.