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Themed collection The Creative World of Porous Materials

55 items
Editorial

Introduction to the themed issue in honor of Dr François Fajula: “An exciting journey in the creative world of ordered porous materials and their applications”

This themed issue, dedicated to François Fajula, includes the latest achievements in the field of ordered porous solids, which is among the most creative, fascinating and attractive fields of chemistry.

Graphical abstract: Introduction to the themed issue in honor of Dr François Fajula: “An exciting journey in the creative world of ordered porous materials and their applications”
From the themed collection: The Creative World of Porous Materials
Perspective

Surface molecular engineering in the confined space of templated porous silica

Recent developments in molecular surface engineering inside the confined space of porous materials are surveyed including a new nomenclature proposal.

Graphical abstract: Surface molecular engineering in the confined space of templated porous silica
From the themed collection: The Creative World of Porous Materials
Perspective

Recent advances in the synthesis of hierarchically porous silica materials on the basis of porous glasses

The methods for integrating an additional pore system in glass-based monoliths are reviewed with an emphasis on sintering and pseudomorphic transformation routes.

Graphical abstract: Recent advances in the synthesis of hierarchically porous silica materials on the basis of porous glasses
From the themed collection: The Creative World of Porous Materials
Perspective

Zeolite science and technology at Eni

This article reviews the results obtained in the synthesis, characterization and applications of zeolites and related microporous materials, focusing on catalytic processes developed in Eni research laboratories over the last 40 years.

Graphical abstract: Zeolite science and technology at Eni
From the themed collection: The Creative World of Porous Materials
Open Access Perspective

Diffusion in nanoporous materials: fundamental principles, insights and challenges

The increasing complexity of nanoporous catalysts and adsorbents presents a challenge to both the experimental measurement and theoretical modeling of transport behavior.

Graphical abstract: Diffusion in nanoporous materials: fundamental principles, insights and challenges
From the themed collection: The Creative World of Porous Materials
Perspective

Structured catalysts for dry reforming of methane

This review highlights the progress in designing oxide catalysts with well defined structures for dry reforming of methane.

Graphical abstract: Structured catalysts for dry reforming of methane
From the themed collection: The Creative World of Porous Materials
Perspective

Multiscale adsorption and transport in hierarchical porous materials

This review presents the state-of-the-art of multiscale adsorption and transport in hierarchical porous materials.

Graphical abstract: Multiscale adsorption and transport in hierarchical porous materials
From the themed collection: The Creative World of Porous Materials
Open Access Perspective

Nature-inspired optimization of hierarchical porous media for catalytic and separation processes

Nature-inspired structuring at the meso-scale: broad macropores separate the mesoporous catalyst grains.

Graphical abstract: Nature-inspired optimization of hierarchical porous media for catalytic and separation processes
From the themed collection: The Creative World of Porous Materials
Open Access Perspective

Characterization of microscopic disorder in reconstructed porous materials and assessment of mass transport-relevant structural descriptors

Pore-level simulations of flow and mass transport validate the morphological measures of efficiency, which show potential for guiding the rational design of materials.

Graphical abstract: Characterization of microscopic disorder in reconstructed porous materials and assessment of mass transport-relevant structural descriptors
From the themed collection: The Creative World of Porous Materials
Perspective

A design concept of amphiphilic molecules for directing hierarchical porous zeolite

This review describes a design concept of novel amphiphilic molecules for a one-step preparation of hierarchically porous zeolites containing mesopores with certain orders.

Graphical abstract: A design concept of amphiphilic molecules for directing hierarchical porous zeolite
From the themed collection: The Creative World of Porous Materials
Perspective

Diversity of layered zeolites: from synthesis to structural modifications

The most attractive achievements in the research area of layered zeolites are summarized, including synthesis, modification strategies and catalytic applications. The challenges for future research on these types of porous materials are also proposed.

Graphical abstract: Diversity of layered zeolites: from synthesis to structural modifications
From the themed collection: The Creative World of Porous Materials
Perspective

Giant flexibility of crystallized organic–inorganic porous solids: facts, reasons, effects and applications

Giant structural flexibility is a characteristic of organic–inorganic frameworks. This perspective describes its history, its behaviours, the analysis of its structural reasons at its consequences in terms of properties and applications.

Graphical abstract: Giant flexibility of crystallized organic–inorganic porous solids: facts, reasons, effects and applications
From the themed collection: The Creative World of Porous Materials
Perspective

Perspectives on zeolite-encapsulated metal nanoparticles and their applications in catalysis

Recent strategies for the design of zeolites with unusual architectures and porosities offer many opportunities for the encapsulation of catalysts.

Graphical abstract: Perspectives on zeolite-encapsulated metal nanoparticles and their applications in catalysis
From the themed collection: The Creative World of Porous Materials
Letter

Alkaline-assisted stannation of beta zeolite as a scalable route to Lewis-acid catalysts for the valorisation of renewables

Alkaline-assisted stannation comprises a scalable one-pot method to incorporate tin centres with a Lewis-acid character in beta zeolite for the isomerisation of renewables.

Graphical abstract: Alkaline-assisted stannation of beta zeolite as a scalable route to Lewis-acid catalysts for the valorisation of renewables
From the themed collection: The Creative World of Porous Materials
Letter

Periodic mesoporous organosilicas derived from amphiphilic bulky polymethylsiloxane

Depending on the synthetic conditions (surfactant, acid, base, and presence or absence of TEOS), the sol–gel polymerization of functionalized polyorganosiloxane affords various textured silica-based materials.

Graphical abstract: Periodic mesoporous organosilicas derived from amphiphilic bulky polymethylsiloxane
From the themed collection: The Creative World of Porous Materials
Paper

Multifunctional core–shell hybrid nano-composites made using Pickering emulsions: a new design for therapeutic vectors

A model of therapeutic nanovectors was developed for creating original prodrug@Fe2O3@porous silica architectures. Fe2O3 catalytic and magnetic properties were used for controlling the kinetics of drug release.

Graphical abstract: Multifunctional core–shell hybrid nano-composites made using Pickering emulsions: a new design for therapeutic vectors
From the themed collection: The Creative World of Porous Materials
Paper

Au/TiO2 photocatalysts prepared by solid grinding for artificial solar-light water splitting

Calcining mechanical mixtures of TiO2 and AuPPh3Cl generates Au/TiO2 nanocomposites with strong Au–TiO2 interaction and high solar light activity.

Graphical abstract: Au/TiO2 photocatalysts prepared by solid grinding for artificial solar-light water splitting
From the themed collection: The Creative World of Porous Materials
Open Access Paper

Influence of the pore architecture on the selective conversion of ethene to propene and butenes over medium pore zeolites

Conversion of ethene on selected zeolites structures allowed for high selectivities for propene and butenes.

Graphical abstract: Influence of the pore architecture on the selective conversion of ethene to propene and butenes over medium pore zeolites
From the themed collection: The Creative World of Porous Materials
Open Access Paper

Hierarchically porous monolithic silica with varying porosity using bis(trimethoxysilyl)arenes as precursors

Isomers of bis-(trimethoxysilyl)arenes were synthesized and used as organosilica precursors for the preparation of macro-mesoporous hybrid silica monoliths.

Graphical abstract: Hierarchically porous monolithic silica with varying porosity using bis(trimethoxysilyl)arenes as precursors
From the themed collection: The Creative World of Porous Materials
Paper

Transport properties of catalyst supports studied by pulsed field gradient (PFG) and 2D exchange (EXSY) NMR spectroscopy

2D-EXSY and PFG 129Xe NMR provide a powerful means for probing tortuosity and pore connectivity in bimodal alumina catalysts.

Graphical abstract: Transport properties of catalyst supports studied by pulsed field gradient (PFG) and 2D exchange (EXSY) NMR spectroscopy
From the themed collection: The Creative World of Porous Materials
Paper

Silica mesophases intercalated by cross-linked micelles of a sustainable oleyl diamine surfactant and metal ion uptake properties thereof

Polymeric forms of eco-friendly oleyl diamine surfactant intercalated in silica are effective in binding Cu(II) and Pb(II) from aqueous solution.

Graphical abstract: Silica mesophases intercalated by cross-linked micelles of a sustainable oleyl diamine surfactant and metal ion uptake properties thereof
From the themed collection: The Creative World of Porous Materials
Paper

Impact of chabazite SSZ-13 textural properties and chemical composition on CO2 adsorption applications

A narrow pore zeolite was synthesized with different Si/Al ratios and micro- to nanoparticle size where both played an important role in CO2 adsorption.

Graphical abstract: Impact of chabazite SSZ-13 textural properties and chemical composition on CO2 adsorption applications
From the themed collection: The Creative World of Porous Materials
Paper

Synthesis and properties of MFI zeolites with microporous, mesoporous and macroporous hierarchical structures by a gel-casting technique

3D hierarchical porous ZSM-5 zeolite as a catalytic material for the cracking of n-hexadecane is reported.

Graphical abstract: Synthesis and properties of MFI zeolites with microporous, mesoporous and macroporous hierarchical structures by a gel-casting technique
From the themed collection: The Creative World of Porous Materials
Paper

Accelerated synthesis of Sn-BEA in fluoride media: effect of H2O content in the gel

Sn-BEA synthesis in concentrated gels results in 2.5–4 fold reduction of crystallization time and formation of smaller zeolite crystals.

Graphical abstract: Accelerated synthesis of Sn-BEA in fluoride media: effect of H2O content in the gel
From the themed collection: The Creative World of Porous Materials
Paper

Influence of the porous texture of SBA-15 mesoporous silica on the anatase formation in TiO2–SiO2 nanocomposites

TiO2–SiO2 composites with 44 wt% of anatase exhibit a better MO degradation rate than those with fully crystallized anatase.

Graphical abstract: Influence of the porous texture of SBA-15 mesoporous silica on the anatase formation in TiO2–SiO2 nanocomposites
From the themed collection: The Creative World of Porous Materials
Paper

Nanocomposites with both structural and porous hierarchy synthesized from Pickering emulsions

Templating polycondensation of furfural and phloroglucinol by O/W emulsions stabilized by CNT-carboxymethylcellulose composite particles allowed preparing conductive and magnetic microcapsules.

Graphical abstract: Nanocomposites with both structural and porous hierarchy synthesized from Pickering emulsions
From the themed collection: The Creative World of Porous Materials
Paper

Aerosol-assisted synthesis of mesoporous aluminosilicate microspheres: the effect of the aluminum precursor

Spray-dried mesoporous aluminosilicates, with spherical morphology, high surface area and accessible porosity, have been synthesized under mild acidic aqueous conditions by using different aluminum precursors.

Graphical abstract: Aerosol-assisted synthesis of mesoporous aluminosilicate microspheres: the effect of the aluminum precursor
From the themed collection: The Creative World of Porous Materials
Paper

Continuous synthesis of nanostructured silica based materials in a gas–liquid segmented flow tubular reactor

Synthesizing core–shell particles SiO2@mSiO2, mSiO2 and Au@SiO2 in a continuous tubular segmented reactor.

Graphical abstract: Continuous synthesis of nanostructured silica based materials in a gas–liquid segmented flow tubular reactor
From the themed collection: The Creative World of Porous Materials
Paper

Insights into the pore structure of KIT-6 and SBA-15 ordered mesoporous silica – recent advances by combining physical adsorption with mercury porosimetry

The first successful example of Hg porosimetry on KIT-6 silicas is demonstrated. This study provides a more thorough understanding of the textural properties of the mesostructures of KIT-6 and SBA-15 silicas.

Graphical abstract: Insights into the pore structure of KIT-6 and SBA-15 ordered mesoporous silica – recent advances by combining physical adsorption with mercury porosimetry
From the themed collection: The Creative World of Porous Materials
Paper

Impact of extreme downsizing of *BEA-type zeolite crystals on n-hexadecane hydroisomerization

The extreme diminution of the crystallite size increases accessibility of Brønsted acid sites but decreases their strength.

Graphical abstract: Impact of extreme downsizing of *BEA-type zeolite crystals on n-hexadecane hydroisomerization
From the themed collection: The Creative World of Porous Materials
Paper

Synthesis of an IWW-type germanosilicate zeolite using 5-azonia-spiro[4,4]nonane as a structure directing agent

An IWW-type zeolite was formed using azonia-spiro[4,4]nonane as a template. This material shows low Ge-content and can be further degermanated.

Graphical abstract: Synthesis of an IWW-type germanosilicate zeolite using 5-azonia-spiro[4,4]nonane as a structure directing agent
From the themed collection: The Creative World of Porous Materials
Paper

Phospholipid–silica mesophases formed in hydroalcoholic solution as precursors of mesoporous silica

The fusion of lipid bilayers in sponge silica–lecithin composites is favoured by natural cosurfactants-induced local opposite curvatures.

Graphical abstract: Phospholipid–silica mesophases formed in hydroalcoholic solution as precursors of mesoporous silica
From the themed collection: The Creative World of Porous Materials
Paper

Silicon carbide foam as a porous support platform for catalytic applications

This review provides an overview of the use of foam-structured SiC as a porous support platform in some typical catalytic processes both for gas-phase and liquid-phase reactions, such as H2S selective oxidation, Friedel–Crafts benzoylation and Fischer–Tropsch synthesis.

Graphical abstract: Silicon carbide foam as a porous support platform for catalytic applications
From the themed collection: The Creative World of Porous Materials
Paper

Support effects in rare earth element separation using diglycolamide-functionalized mesoporous silica

The work aims at exploring the role of pore structure, texture and morphology of various DGA-functionalized mesoporous silica materials on their rare earth element (REE) adsorption performances, both in batch and flow-through systems.

Graphical abstract: Support effects in rare earth element separation using diglycolamide-functionalized mesoporous silica
From the themed collection: The Creative World of Porous Materials
Paper

Embryonic ZSM-5 zeolites: zeolitic materials with superior catalytic activity in 1,3,5-triisopropylbenzene dealkylation

Embryonic ZSM-5 zeolites have more accessible microporosity than their zeolite offsprings and are therefore better catalysts to convert bulky molecules.

Graphical abstract: Embryonic ZSM-5 zeolites: zeolitic materials with superior catalytic activity in 1,3,5-triisopropylbenzene dealkylation
From the themed collection: The Creative World of Porous Materials
Paper

HMF etherification using NH4-exchanged zeolites

The reversible dissociation of NH4+ ions in the intra-cages of zeolites is correlated with their catalytic reactivity for HMF etherification.

Graphical abstract: HMF etherification using NH4-exchanged zeolites
From the themed collection: The Creative World of Porous Materials
Paper

Properties of methylene blue in the presence of zeolite nanoparticles

Properties of methylene blue modified by incorporation in the large pores of LTL and BEA type zeolites, and stabilization on the external surface of small pore LTA type zeolite.

Graphical abstract: Properties of methylene blue in the presence of zeolite nanoparticles
From the themed collection: The Creative World of Porous Materials
Paper

Potential of templated mesoporous aluminas as supports for HDS CoMo catalysts

Activities in thiophene hydrodesulfurization were increased by a factor three when using aluminas, as support for CoMo catalysts, prepared using an optimized sol–gel method.

Graphical abstract: Potential of templated mesoporous aluminas as supports for HDS CoMo catalysts
From the themed collection: The Creative World of Porous Materials
Paper

Enhancement of lithium transport by controlling the mesoporosity of silica monoliths filled by ionic liquids

A systematic study of the effect of the mesopore diameter of silica monoliths with hierarchical porosity (meso-/macroporosity) on charge transport of confined ionic liquid with lithium salt shows an optimum for mesopore of 10 nm diameter.

Graphical abstract: Enhancement of lithium transport by controlling the mesoporosity of silica monoliths filled by ionic liquids
From the themed collection: The Creative World of Porous Materials
Open Access Paper

Synthesis and structure characterization of zinc and cadmium dipeptide coordination polymers

A twofold (black, red) interpenetrated network of a Zn(Gly-L-Phe)2 coordination polymer, with hydrogen bonds (green) between neighboring layers.

Graphical abstract: Synthesis and structure characterization of zinc and cadmium dipeptide coordination polymers
From the themed collection: The Creative World of Porous Materials
Paper

SAPO-34 templated by dipropylamine and diisopropylamine: synthesis and catalytic performance in the methanol to olefin (MTO) reaction

This paper describes a detailed investigation on SAPO-34 synthesis templated by isomeric amines and the catalytic performances in the MTO reaction.

Graphical abstract: SAPO-34 templated by dipropylamine and diisopropylamine: synthesis and catalytic performance in the methanol to olefin (MTO) reaction
From the themed collection: The Creative World of Porous Materials
Paper

Catalytic n-pentane conversion on H-ZSM-5 at high pressure

Highly stable, high pressure n-pentane conversion on H-[Al]ZSM-5 yields C3 and C4 alkanes and heavier hydrocarbons to balance H/C ratio.

Graphical abstract: Catalytic n-pentane conversion on H-ZSM-5 at high pressure
From the themed collection: The Creative World of Porous Materials
Paper

Monitoring by in situ neutron diffraction of simultaneous dehydration and Ni2+ mobility in partially exchanged NaY zeolites

The incoherent signal in neutron diffraction patterns allows correlating in real time hydration–dehydration levels and structural changes in zeolites.

Graphical abstract: Monitoring by in situ neutron diffraction of simultaneous dehydration and Ni2+ mobility in partially exchanged NaY zeolites
From the themed collection: The Creative World of Porous Materials
Paper

Intermediate pickering emulsion formation as a means for synthesizing hollow mesoporous silica nanoparticles

Particle and surfactant-stabilized emulsion droplets formed in situ serve as templates for hollow silica nanoparticle growth.

Graphical abstract: Intermediate pickering emulsion formation as a means for synthesizing hollow mesoporous silica nanoparticles
From the themed collection: The Creative World of Porous Materials
Paper

Mesoporous MEL, BEA, and FAU zeolite crystals obtained by in situ formation of carbon template over metal nanoparticles

Highly crystalline zeolites with intracrystalline mesopores are synthesized through a straightforward and feasible templating method.

Graphical abstract: Mesoporous MEL, BEA, and FAU zeolite crystals obtained by in situ formation of carbon template over metal nanoparticles
From the themed collection: The Creative World of Porous Materials
Paper

Hierarchical ZSM-5 zeolite with uniform mesopores and improved catalytic properties

Uniform mesopores are generated in hierarchical ZSM-5 by a mesopore narrowing treatment, showing enhanced activity in the acylation of 2-methoxynaphthalene.

Graphical abstract: Hierarchical ZSM-5 zeolite with uniform mesopores and improved catalytic properties
From the themed collection: The Creative World of Porous Materials
Open Access Paper

Topological analysis of non-granular, disordered porous media: determination of pore connectivity, pore coordination, and geometric tortuosity in physically reconstructed silica monoliths

Different approaches are applied and compared, which are universally applicable to quantify pore coordination, pore and pore-throat connectivity, and geometric tortuosity.

Graphical abstract: Topological analysis of non-granular, disordered porous media: determination of pore connectivity, pore coordination, and geometric tortuosity in physically reconstructed silica monoliths
From the themed collection: The Creative World of Porous Materials
Paper

Dehydration of AlPO4-34 studied by variable-temperature NMR, XRD and first-principles calculations

Complementary techniques elucidate water–framework interactions in different states of dehydration, two of which have not been observed before.

Graphical abstract: Dehydration of AlPO4-34 studied by variable-temperature NMR, XRD and first-principles calculations
From the themed collection: The Creative World of Porous Materials
Paper

Preparation of mesoporous TiO2–C composites as an advanced Ni catalyst support for reduction of 4-nitrophenol

Ordered mesoporous Ni/TiO2–C composites with highly dispersed nickel and TiO2 nanoparticles have been synthesized via a multi-component co-assembly method.

Graphical abstract: Preparation of mesoporous TiO2–C composites as an advanced Ni catalyst support for reduction of 4-nitrophenol
From the themed collection: The Creative World of Porous Materials
Paper

Effect of pretreatment atmosphere on the activity and selectivity of Co/mesoHZSM-5 for Fischer–Tropsch synthesis

Co/mesoHZSM-5 pretreatment in different atmospheres changes FT activity and CH4 selectivity by affecting Co dispersion and reducibility.

Graphical abstract: Effect of pretreatment atmosphere on the activity and selectivity of Co/mesoHZSM-5 for Fischer–Tropsch synthesis
From the themed collection: The Creative World of Porous Materials
Paper

Synthesis and structural characterization of Zn-containing DAF-1

Four crystallographically distinct N,N′-di-isopropyl-imidazolium cations, fluoride anions and water molecules fill the channels of the zincoaluminophosphate Zn-DAF-1.

Graphical abstract: Synthesis and structural characterization of Zn-containing DAF-1
From the themed collection: The Creative World of Porous Materials
Paper

Hierarchically porous titanium phosphate monoliths and their crystallization behavior in ethylene glycol

A new hierarchically porous titanium phosphate monolithic material is synthesized via a sol–gel method and its crystallization in ethylene glycol is observed.

Graphical abstract: Hierarchically porous titanium phosphate monoliths and their crystallization behavior in ethylene glycol
From the themed collection: The Creative World of Porous Materials
Paper

Nickel and molybdenum containing mesoporous catalysts for ethylene oligomerization and metathesis

Ethylene is converted into propylene by one-pot cascade reactions over catalysts prepared using a commercial mesoporous non-ordered silica as a support.

Graphical abstract: Nickel and molybdenum containing mesoporous catalysts for ethylene oligomerization and metathesis
From the themed collection: The Creative World of Porous Materials
Paper

Synthesis of Al-MTW with low Si/Al ratios by combining organic and inorganic structure directing agents

Al-rich MTW zeolites show large pore accessibility, high Brönsted acidity and high activity for the cracking of n-decane.

Graphical abstract: Synthesis of Al-MTW with low Si/Al ratios by combining organic and inorganic structure directing agents
From the themed collection: The Creative World of Porous Materials
Paper

Downsizing the K-CHA zeolite by a postmilling-recrystallization method for enhanced base-catalytic performance

K-CHA nanocrystals prepared by a beadmilling and postmilling-recrystallization for high performance base-catalysis.

Graphical abstract: Downsizing the K-CHA zeolite by a postmilling-recrystallization method for enhanced base-catalytic performance
55 items

About this collection

This themed issue, dedicated to François Fajula, includes the latest achievements in the field of ordered porous solids, which is among the most creative, fascinating and attractive fields of chemistry.

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