A5006794755- Bone Tissue Engineering Materials
- Nanomaterials for catalytic reactions
- Advanced ceramic materials synthesis
- Calcium Carbonate Crystallization and Inhibition
- Pickering emulsions and particle stabilization
- Advanced materials and composites
- Innovative Microfluidic and Catalytic Techniques Innovation
- Electrocatalysts for Energy Conversion
- Asymmetric Hydrogenation and Catalysis
- Conducting polymers and applications
- Advanced Materials and Mechanics
- Fuel Cells and Related Materials
- Nanoparticles: synthesis and applications
- Polymer crystallization and properties
- Crystallography and molecular interactions
- X-ray Diffraction in Crystallography
- Crystallization and Solubility Studies
- 3D Printing in Biomedical Research
- Magnesium Oxide Properties and Applications
- Homicide, Infanticide, and Child Abuse
- Graphene and Nanomaterials Applications
- Cephalopods and Marine Biology
- Nanomaterials and Printing Technologies
- Aerogels and thermal insulation
- Nonlinear Optical Materials Studies
Universität Hamburg
2019-2023
Hamburg University of Technology
2019-2023
OSRAM (Germany)
2023
Institut de Ciència de Materials de Barcelona
2016
Universitat Autònoma de Barcelona
2011-2016
Division of Chemistry
2014
Artifex University
2014
Centre de Recerca Matemàtica
2014
Bulk poly-supercrystalline ceramic-organic nanocomposites were produced and characterized with a nanoindentation-based study. These processed using two different routines, to compare their properties without crosslinking the organic ligands interfacing ceramic nanoparticles. Together expected material strengthening induced by crosslinking, distinct response emerges when Berkovich cube-corner indenters. The supercrystalline materials are prone compaction, cracking chipping phenomena that...
Supercrystalline nanocomposites (SCNCs) are inorganic-organic hybrid materials with a unique periodic nanostructure, and thus they have been gaining growing attention for their intriguing functional properties parallelisms hierarchical biomaterials. Their mechanical behavior remains, however, poorly understood, even though its understanding control important to allow SCNCs' implementation into devices. An aspect that has not tackled yet is time-dependent deformation behavior, which...
Additive manufacturing of shape memory polymers has gained tremendous interest in recent years due to their versatile potential applications various industries, such as biomedicine and aerospace. However, the polymers' mechanical properties, specifically stiffness strength, often hinder use mechanically demanding applications, e.g. structural materials. In this work we produced nacre-inspired composites with a covalent adaptable network, which enables fast lossless self-healing, reshaping,...
Metal nanoparticles are known as highly effective catalysts although their immobilization on solid supports is frequently required to prevent aggregation and facilitate the catalyst application, recovery, reuse. This paper reports intermatrix synthesis of Pd0 in sulfonated polyethersulfone with Cardo group membranes use nanocomposite catalytic membrane reactors. The synthesized polymer corresponding were characterized by spectroscopic microscopic techniques. efficiency was evaluated...
A novel routine is developed to produce nanostructured ceramic-based composites with enhanced mechanical properties and tailored magnetic behavior.
Supercrystalline nanocomposite materials with micromechanical properties approaching those of nacre or similar structural biomaterials can be produced by self-assembly organically modified nanoparticles and further strengthened cross-linking. The strengthening these nanocomposites is controlled via thermal treatment, which promotes the formation covalent bonds between interdigitated ligands on nanoparticle surface. In this work, it shown how extent mechanical enhancement solvent used during...
Supercrystalline nanocomposites deform plastically like atomic crystals, even after a boost in strength, and feature compaction.
Reusable dual-purpose nanocomposite foams with AgNPs showed high stability even after 2 years of storage.
Abstract Biomaterials often display outstanding combinations of mechanical properties thanks to their hierarchical structuring, which occurs through a dynamically and biologically controlled growth self-assembly main constituents, typically mineral protein. However, it is still challenging obtain this ordered multiscale structural organization in synthetic 3D-nanocomposite materials. Herein, we report new bottom-up approach for the synthesis macroscale nanocomposite materials single step. By...
Abstract Supercrystalline nanocomposites (SCNCs) are a new category of nanostructured materials, with organically functionalized nanoparticles assembled into periodic structures, reminiscent atomic crystals. Thanks to this nanoarchitecture, SCNCs show great promise for functional applications, and understanding controlling their mechanical properties becomes key. Nanoindentation is powerful tool assess the behavior virtually any material, it particularly suitable studies on materials. While...
Nanocrystal assembly into ordered structures provides mesostructural functional materials with a precise control that starts at the atomic scale. However, lack of understanding on self-assembly itself plus poor structural integrity resulting supercrystalline still limits their application engineered and devices. Surface functionalization nanobuilding blocks organic ligands can be used not only as means to interparticle interactions during but also reactive platform further strengthen final...
Controlling the nanoscale interactions of colloidal building blocks is a key step for transition from single nanoparticles to tailor-made, architected morphologies and their further integration into functional materials. Solvent evaporation-induced self-assembly within emulsion droplets emerges as fast, versatile, low-cost approach obtain spherical, complex structures, such supraparticles. Nevertheless, some process–structure relationships able describe effects conditions on synthesis...
To translate the exceptional properties of colloidal nanoparticles (NPs) to macroscale geometries, assembly techniques must bridge a 10 6 ‐fold range length. Moreover, for successfully attaining final mechanically robust nanocomposite material, some intrinsic NPs’ have be maintained while minimizing density strength‐limiting defects. However, nanoscale building blocks into macroscopic dimensions, and their effective properties, are inherently affected by precision conditions required...
With the ever-expanding functional applications of supercrystalline nanocomposites (a relatively new category materials consisting organically functionalized nanoparticles arranged into periodic structures), it becomes necessary to ensure their structural stability and understand deformation failure mechanisms. Inducing cross-linking functionalizing organic ligands, for instance, leads a remarkable enhancement nanocomposites' mechanical properties. It is however still unknown how...
A key challenge in the development of inorganic-organic nanocomposites is mechanical behavior identification organic phase. For supercrystalline materials, which phase ranges down to sub-nm areas, materials' properties however experimentally inaccessible. The investigated here are 3D superlattices self-assembled iron oxide nanoparticles, surface-functionalized with crosslinked oleic acid ligands. They exhibit highest reported values Young's modulus, nanohardness and strength for...
The synthesis of Ag-NPs inside Nafion produced unexpected patterns that can reveal the real morphology polymer.
Multiscale ceramic-organic supercrystalline nanocomposites with two levels of hierarchy have been developed via self-assembly tailored content the organic phase. These consist organically functionalized ceramic nanoparticles forming micron-sized grains, which are in turn embedded an organic-rich matrix. By applying additional heat treatment step at mild temperatures (250-350 °C), mechanical properties hierarchical here enhanced. The leads to partial removal and crosslinking phase, minimizing...
Supercrystalline nanocomposites are a new class of hybrid and nanostructured materials that can reach exceptional mechanical strength be fabricated at low temperatures. Hierarchically arranged, they bridge the gap from nano- to macro-scale. Even though their properties starting characterized, constitutive behavior is still largely unexplored. Here, supercrystalline iron oxide nanoparticles, surface-functionalized with oleic acid oleyl phosphate ligands, investigated in both bending...
A new epoxy–silica porous material prepared <italic>via</italic> one-pot sol–gel process. Mechanical properties can be continuously tuned by modifying reactant proportions.
Study of the effect Ag-NPs stripes in Nafion: evaluation chemical, electrochemical and mechanical properties.
Spin-coating is suitable to grow 2D supercrystalline nanoparticle lattices and the lattice type can be changed by using different solvents.
This work reports the results obtained by development of two types nanocomposite membranes containing metal nanoparticles prepared applying Intermatrix Synthesis technique for synthesis silver in ion-exchange matrices sulfonated polyethersulfone-Cardo and Nafion membranes. The stability (in terms loss) polymer-metal nanocomposites was evaluated using both ultrasonic thermostatic baths appeared to be appropriate their practical applications. dual-function were characterized batch tests,...
Abstract In this paper, we report the intermatrix synthesis of Ag nanoparticles in different polymeric matrices such as polyurethane foams and polyacrylonitrile or polyamide fibers. To apply technique, polymer must bear functional groups able to bind retain nanoparticle ion precursors while ions should diffuse through matrix. Taking into account nature some chosen matrices, it was essential try activate support material obtain an acceptable value exchange capacity. evaluate catalytic...