| 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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Falcaro, Paolo
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (49/49 displayed)
- 2024Polymorphism and orientation control of copper-dicarboxylate metal-organic framework thin films through vapour- and liquid-phase growthcitations
- 2023Targeting telomerase utilizing zeolitic imidazole frameworks as non-viral gene delivery agents across different cancer cell typescitations
- 2023Identifying the Internal Network Structure of a New Copper Isonicotinate Thin-Film Polymorph Obtained via Chemical Vapor Depositioncitations
- 2023Effect of pulse-current-based protocols on the lithium dendrite formation and evolution in all-solid-state batteriescitations
- 2022Paper-Like Writable Nanoparticle Network Sheets for Mask-Less MOF Patterningcitations
- 2022Combining a Genetically Engineered Oxidase with Hydrogen-Bonded Organic Frameworks (HOFs) for Highly Efficient Biocompositescitations
- 2022How reproducible are surface areas calculated from the BET equation?citations
- 2022How reproducible are surface areas calculated from the BET equation?citations
- 2022How Reproducible are Surface Areas Calculated from the BET Equation?citations
- 2022How Reproducible are Surface Areas Calculated from the BET Equation?citations
- 2022How Reproducible are Surface Areas Calculated from the BET Equation?citations
- 2022Self‐Assembly of Oriented Antibody‐Decorated Metal–Organic Framework Nanocrystals for Active‐Targeting Applicationscitations
- 2022Self‐Assembly of Oriented Antibody‐Decorated Metal–Organic Framework Nanocrystals for Active‐Targeting Applicationscitations
- 2021MOFs and Biomacromolecules for Biomedical Applicationscitations
- 2021How Reproducible Are Surface Areas Calculated from the BET Equation?citations
- 2021Self-Assembly of Oriented Antibody-Decorated Metal–Organic Framework Nanocrystals for Active-Targeting Applicationscitations
- 2021Metal-Organic Framework-Based Enzyme Biocompositescitations
- 2020Modulation of metal-azolate frameworks for the tunable release of encapsulated glycosaminoglycanscitations
- 2020Phase dependent encapsulation and release profile of ZIF-based biocompositescitations
- 2020Engineered Porous Nanocomposites That Deliver Remarkably Low Carbon Capture Energy Costscitations
- 2020Continuous-Flow Synthesis of ZIF-8 Biocomposites with Tunable Particle Sizecitations
- 2019Encapsulation, Visualization and Expression of Genes with Biomimetically Mineralized Zeolitic Imidazolate Framework-8 (ZIF-8)citations
- 2019MOFBOTScitations
- 2019Carbohydrates@MOFscitations
- 2018Metal-Organic Frameworks for Cell and Virus Biologycitations
- 2018High-Throughput Screening of Metal-Organic Frameworks for Macroscale Heteroepitaxial Alignmentcitations
- 2018Control of Structure Topology and Spatial Distribution of Biomacromolecules in Protein@ZIF-8 Biocompositescitations
- 2017Fe3O4@HKUST-1 and Pd/Fe3O4@HKUST-1 as magnetically recyclable catalysts prepared via conversion from a Cu-based ceramiccitations
- 2016Transparent, Highly Insulating Polyethyl- and Polyvinylsilsesquioxane Aerogels: Mechanical Improvements by Vulcanization for Ambient Pressure Dryingcitations
- 2015Positioning of the HKUST-1 metal-organic framework (Cu3(BTC)2) through conversion from insoluble Cu-based precursorscitations
- 2015Lead(II) uptake by aluminium based magnetic framework composites (MFCs) in watercitations
- 2015ZnO as an efficient nucleating agent for rapid, room temperature synthesis and patterning of Zn-based metal-organic frameworkscitations
- 2015Biomimetic mineralization of metal-organic frameworks as protective coatings for biomacromoleculescitations
- 2014Using functional nano- and microparticles for the preparation of metal-organic framework composites with novel propertiescitations
- 2013Applications of magnetic metal-organic framework compositescitations
- 2012Magnetic framework composites for polycyclic aromatic hydrocarbon sequestrationcitations
- 2011Fabrication of functional nanostructured coatings by a combined sol-gel and plasma-enhanced chemical vapour deposition methodcitations
- 2011Functional three-dimensional nonlinear nanostructures in a gold ion nanocomposite
- 2011Amino functionalized SiO 2 nanoparticles for seeding MOF-5citations
- 2009Hierarchical porous silica films with ultralow refractive indexcitations
- 2008Fabrication of mesoporous functionalized arrays by integrating deep X-ray lithography with dip-pen writingcitations
- 2008Formation of monoclinic hafnium titanate thin films via the sol-gel methodcitations
- 2007Time-resolved simultaneous detection of structural and chemical changes during self-assembly of mesostructured filmscitations
- 2007Highly ordered self-assembled mesostructured membranescitations
- 2005Thermal-induced phase transitions in self-assembled mesostructured films studied by small-angle X-ray scatteringcitations
- 2005Highly ordered "defect-free" self-assembled hybrid films with a tetragonal mesostructurecitations
- 2004Humidity sensors based on mesoporous silica thin films synthesised by block copolymerscitations
- 2004Silica orthorhombic mesostructured films with low refractive index and high thermal stabilitycitations
- 2002Microstructural evolution and order-disorder transitions in mesoporous silica films studied by FTIR spectroscopy
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article
Hierarchical porous silica films with ultralow refractive index
Abstract
<p>Fabrication of hierarchical porous thin films with controlled pore dimension and shape is a current challenge in materials science. In this work, bimodal hierarchical hybrid organic-inorganic thin films with pores in the meso and macro range have been fabricated. The first order of porosity is obtained through a self-assembly process using organic block copolymers as templates for mesopores; the mesophase in the films is well-ordered and has a tetragonal symmetry. We have introduced fluorinated organic nanoparticles of around 70 nm in the precursor solution to act as template of the second order of porosity. The introduction of the nanoparticles has not affected the organization of the mesophase and after the film deposition the nanoparticles become randomly dispersed within the mesostructured matrix. The organization of the mesophase has been studied in situ by small-angle X-ray scattering using synchrotron light; conventional and high-resolution transmission electron microscopy have been used for direct observation of the porosity morphology. The results indicate that hierarchical porous thin films with a bimodal distribution of the pores are obtained upon postsynthesis calcination at 350 °C. The hierarchical porous thin films have a very low refractive index, 1.14 at 633 nm, lower than the 1.17 value measured for the monomodal mesoporous films. The introduction of templating nanoparticles that are removed upon thermal treatment represents, therefore, a successful strategy to decrease the refractive index in porous films. We have also demonstrated that patterning techniques developed for mesostructured films can be successfully extended to this new typology of hierarchical films. Arrays with bimodal hierarchical pore distribution have been fabricated.</p>