Tailoring nanohybrids and nanocomposites for catalytic applications

Clippel, Filip de; Dusselier, Michiel; Vyver, Stijn Van de; Peng, Li; Jacobs, Pierre; Sels, Bert F.

doi:10.1039/c3gc37141g

Cited by 83 publications

(50 citation statements)

References 302 publications

(245 reference statements)

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“…[33,36,37] Because selective CO 2 separation from CH 4 and N 2 can be governed both by size and affinity effects, a fixed pyrolysis temperature of 1073 K was chosen, consistent with former demonstrations of shape selectivity. [35,36] Two distinct concentrations of the thermosetting FA in the carbon precursor solution were selected, i.e.…”

Section: Preparation Of Csm Particlesmentioning

confidence: 97%

“…[29] Proper filler and polymer selection and careful tuning of the synthesis procedure is required in order to avoid creation of non-selective pathways between both phases, particle sedimentation and agglomeration, sieve-in-cage phenomenon, and brittleness at higher loading. [30][31][32] In a previous study by our group, carbon-silica nanocomposite materials (CSM) were synthesized [33] and used as filler for the preparation of reverse selective MMMs. [34] CSMs were prepared by a hard template synthesis technique.…”

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confidence: 99%

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Polyimide mixed matrix membranes for CO2 separations using carbon–silica nanocomposite fillers

Anjum

Clippel

Didden

et al. 2015

Journal of Membrane Science

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Section: Preparation Of Csm Particlesmentioning

confidence: 97%

mentioning

confidence: 99%

Polyimide mixed matrix membranes for CO2 separations using carbon–silica nanocomposite fillers

Anjum

Clippel

Didden

et al. 2015

Journal of Membrane Science

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“…Since the discovery of ordered mesoporous silica materials in 1990s, synthesis and applications of mesoporous solids have received intensive attention, owing to their wide applications in catalysis, adsorption, separation, devices, and drug delivery, etc 1–7. With well‐developed soft‐template and hard‐template (nanocasting) methods, mesoporous materials based on various compositions have been prepared, such as silica, heteroatom doped silica, organosilica, metal oxide, metal, polymer, carbon as well as composite 8–12.…”

Section: Introductionmentioning

confidence: 99%

An Eco‐friendly Soft Template Synthesis of Mesostructured Silica‐Carbon Nanocomposites for Acid Catalysis

et al. 2015

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The synthesis of ordered mesoporous silica‐carbon composites was explored by employing TEOS and sucrose as the silica and carbon precursor respectively, and the triblock copolymer F127 as a structure‐directing agent via an evaporation‐induced self‐assembly (EISA) process. It is demonstrated that the synthesis procedures allow for control of the textural properties and final composition of these silica‐carbon nanocomposites via adjustment of the effective SiO2/C weight ratio. Characterization by SAXS, N2 physisorption, HRTEM, TGA, and 13C and 29Si solid‐state MAS NMR show a 2D hexagonal mesostructure with uniform large pore size ranging from 5.2 to 7.6 nm, comprising of separate carbon phases in a continuous silica phase. Ordered mesoporous silica and non‐ordered porous carbon can be obtained by combustion of the pyrolyzed nanocomposites in air or etching with HF solution, respectively. Sulfonic acid groups can be readily introduced to such kind of silica‐carbon nanocomposites by a standard sulfonation procedure with concentrated sulfuric acid. Excellent acid‐catalytic activities and selectivities for the dimerization of styrene to produce 1,3‐diphenyl‐1‐butene and dimerization of α‐methylstyrene to unsaturated dimers were demonstrated with the sulfonated materials.

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“…Ordered mesoporous silica (OMS) is often at the centre of catalytically active composite design because of a combination of interesting properties such as high surface area with a robust yet flexible (e.g. in pore size and functionalization) structure, and wide range of compositional variations [11,12]. Moreover, the pore architecture is usually highly accessible to most common reagents.…”

mentioning

confidence: 99%

Piperidine derivative covalently anchored on uniform spherical mesoporous silica nanoparticle with narrow slit like pores for the synthesis of 2-amino-3, 5-dicarbonitrile-6-arylthio-pyridines

Ray¹,

Das²,

Bhaumik³

et al. 2014

Recyclable Catalysis

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An organic-inorganic hybrid catalyst (SMSNP-PIP) was prepared by post synthesis grafting of piperidine functionalized organosilane on uniform spherical mesoporous silica nano particle of 600 nm size by using surface hydroxyl groups as anchor point. It was characterized by N 2 adsorption analysis, HRTEM, CHN analysis, 13C CP MAS and 29 Si MAS NMR and FTIR analysis. The nano silica particles possess narrow slit-like pores with diameters of 2.6 nm. The wide applicability of this catalyst was probed in the chromatography free synthesis of 2-amino-3,5-dicarbonitrile-6-arylthiopyridines in water. Synthesis using water as a solvent is of paramount importance for its sustainable green impact. Further, water was the only by-product which added to its attractiveness.

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Tailoring nanohybrids and nanocomposites for catalytic applications

Cited by 83 publications

References 302 publications

Polyimide mixed matrix membranes for CO2 separations using carbon–silica nanocomposite fillers

Polyimide mixed matrix membranes for CO2 separations using carbon–silica nanocomposite fillers

An Eco‐friendly Soft Template Synthesis of Mesostructured Silica‐Carbon Nanocomposites for Acid Catalysis

Piperidine derivative covalently anchored on uniform spherical mesoporous silica nanoparticle with narrow slit like pores for the synthesis of 2-amino-3, 5-dicarbonitrile-6-arylthio-pyridines

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