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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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Holmes, Stuart
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2023Water cluster characteristics of fuel cell gas diffusion layers with artificial microporous layer crack dilationcitations
- 2022Porous silica nanosheets in PIM-1 membranes for CO 2 separationcitations
- 2022Porous silica nanosheets in PIM-1 membranes for CO2 separationcitations
- 2022Thin film nanocomposite membranes of PIM-1 and graphene oxide/ZIF-8 nanohybrids for organophilic pervaporationcitations
- 2022Thin film nanocomposite membranes of PIM-1 and graphene oxide/ZIF-8 nanohybrids for organophilic pervaporationcitations
- 2021High–performance polymer electrolyte membranes incorporated with 2D silica nanosheets in high–temperature proton exchange membrane fuel cells
- 2018Study on the formation of thin film nanocomposite (TFN) membranes of polymers of intrinsic microporosity and graphene-like fillers: effect of lateral flake size and chemical functionalizationcitations
- 2018Study on the formation of thin film nanocomposite (TFN) membranes of polymers of intrinsic microporosity and graphene-like fillers: effect of lateral flake size and chemical functionalizationcitations
- 2018Flux-enhanced PVDF mixed matrix membranes incorporating APTS-functionalized graphene oxide for membrane distillationcitations
- 2017Mordenite/Nafion and Analcime/Nafion Composite Membranes Prepared by Spray Method for Improved Direct Methanol Fuel Cell Performancecitations
- 2016Surface Modification of Mordenite in Nafion Composite Membrane for Direct Ethanol Fuel Cell and Its Characterizations: Effect of Types of Silane Coupling Agentcitations
- 2013Supercapacitance from cellulose and carbon nanotube nanocomposite fiberscitations
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article
Porous silica nanosheets in PIM-1 membranes for CO2 separation
Abstract
<p>PIM-1-based freestanding mixed matrix membranes (MMMs) and thin film nanocomposites (TFNs) were prepared by incorporating porous silica nanosheets (SN) and exfoliated SN (E-SN) derived from natural vermiculite (Verm) in the PIM-1 polymer matrix. In addition, SN were functionalized by sulfonic acid and amine groups (S-SN and N-SN, respectively) and were also used as fillers for the preparation of MMMs. The gas separation performance was evaluated using CO<sub>2</sub>/CH<sub>4</sub> and CO<sub>2</sub>/N<sub>2</sub> (1:1, v:v) binary gas mixtures. Among freestanding membranes, fresh ones (i.e. tested right after preparation) containing 0.05 wt% functionalized SN and E-SN outperformed the neat PIM-1, surpassing the 2008 Robeson upper bound. At the same filler concentration, fresh MMMs with sulfonic acid-functionalized SN (S-SN) exhibited 40% higher CO<sub>2</sub> permeability, 20% higher CO<sub>2</sub>/N<sub>2</sub> selectivity and almost the same CO<sub>2</sub>/CH<sub>4</sub> selectivity as neat PIM-1 membranes. Moreover, after 150 days of aging, these membranes were capable of maintaining up to 68% of their initial CO<sub>2</sub> permeability (compared to 37% for neat PIM-1). When prepared as TFN membranes, the incorporation of 0.05 wt% of S-SN led to 35% higher initial CO<sub>2</sub> permeance and five times higher CO<sub>2</sub> permeance after 28 days.</p>