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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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Sai, Hiroaki
in Cooperation with on an Cooperation-Score of 37%
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Publications (6/6 displayed)
- 2024Hybrid Bonding Bottlebrush Polymers Grafted from a Supramolecular Polymer Backbonecitations
- 2023Directed Self-Assembly of Diamond Networks in Triblock Terpolymer Films on Patterned Substratescitations
- 2013Towards mesoporous Keggin-type polyoxometalates-systematic study on organic template removalcitations
- 2012A silica sol-gel design strategy for nanostructured metallic materialscitations
- 2010Block copolymer directed nanoporous metal thin filmscitations
- 2009Metal nanoparticle - block copolymer composite assembly and disassemblycitations
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article
Towards mesoporous Keggin-type polyoxometalates-systematic study on organic template removal
Abstract
<p>Here, we present systematic studies on the removal of the polymer template from inverse hexagonally ordered poly(butadiene-block-2-dimethylaminoethyl methacrylate)-phosphomolybdic acid (H<sub>3</sub>PMo<sub>12</sub>O<sub>40</sub>) nanocomposites. Highly ordered mesophases are obtained via an evaporation-induced self-assembly process. Different techniques are used to remove the organic template: direct calcination in air, a two-step heat treatment ((1) argon atmosphere and (2) oxidative atmosphere), and a combination of heat and plasma treatment. Our studies show that direct calcination in air and two-step heat treatment lead to a collapse of mesostructure before complete carbon removal is accomplished. In contrast, plasma etching of heat treated ultra-microtomed samples results in hexagonally ordered porous nanofilms.</p>