| 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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Paineau, Erwan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Re-entrant phase transitions in Laponite/Gum Arabic nanocomposites
- 2024β-cyclodextrin and carbonyl iron-based supramolecular gels: microstructure and magnetorheology
- 2024Structural Properties and Photocatalytic Activity of TiO 2 /Au Nanocomposites Synthesized with Glucosecitations
- 2024Impact of aluminium and gallium substitutions on the ferrihydrite and goethite structure: Consequences for rare earth element adsorption and complexationcitations
- 2024The Rheological and Structural Properties of Aqueous Graphene Oxide Dispersions: Concentration and pH Dependencecitations
- 2024Investigating the phase behaviour of binary suspensions of cellulose nanocrystals and montmorillonite with nonlinear rheology, SAXS and polarized optical microscopycitations
- 2020Influence of the Al/Ge Ratio on the Structure and Self-Organization of Anisometric Imogolite Nanotubescitations
- 2019Photonic titanium dioxide film obtained from hard template with chiral nematic structure for environmental applicationcitations
- 2019Nanomaterials From Imogolite: Structure, Properties, and Functional Materialscitations
- 2018Swelling Inhibition of Liquid Crystalline Colloidal Montmorillonite and Beidellite Clays by DNAcitations
- 2018Imogolite Nanotubes: A Flexible Nanoplatform with Multipurpose Applicationscitations
- 2016A liquid-crystalline hexagonal columnar phase in highly-dilute suspensions of imogolite nanotubescitations
- 2013Intracellular fate of carbon nanotubes inside murine macrophages: pH-dependent detachment of iron catalyst nanoparticles.citations
Places of action
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article
Influence of the Al/Ge Ratio on the Structure and Self-Organization of Anisometric Imogolite Nanotubes
Abstract
Synthetic imogolite-like nanotubes (INT) with well-defined diameters represent a considerable opportunity for the development of advanced functional materials. Recent progress has made it possible to increase their aspect ratio and unique self-organization properties were evidenced. We suggest that slight modification of the synthesis conditions may drastically affect the resulting liquid-crystalline properties. In this work, we investigate how the precursor's [Al]/[Ge] molar ratio (R') impacts the morphology and the colloidal properties of aluminogermanate INTs by combining a multi-scale characterization. While only double-walled nanotubes are found for R' ≥ 1.8, the presence of single-walled nanotubes occurs when the ratio is lowered. Except for the lowest R' ratio investigated (R' = 0.66), all synthetic products present one-dimensional shapes with a high aspect ratio. Small-angle X-ray scattering experiments allow us to comprehensively investigate the colloidal properties of the final products. Our results reveal that a liquid-crystalline hexagonal columnar phase is detected down to R' = 1.33 and that it turns into a nematic arrested phase for R' = 0.90. These results could be useful for the development of novel stimuli-responsive nanocomposites based-on synthetic imogolite nanotubes.