Themed collection Synthesis, modification and tailoring of properties of nanoporous materials

34 items
Editorial

Porous materials for future energy

Zhengxing Qin, Xinmei Liu and Zifeng Yan introduce this Inorganic Chemistry Frontiers themed collection on Porous Materials for Future Energy.

Graphical abstract: Porous materials for future energy
Review Article

Advances in zeolite-supported metal catalysts for propane dehydrogenation

Propane dehydrogenation (PDH) is one of the most promising on-purpose technologies to produce propylene. In this review, we present a comprehensive summary of the latest research progress on zeolite-supported metal catalysts for PDH reactions.

Graphical abstract: Advances in zeolite-supported metal catalysts for propane dehydrogenation
Review Article

Advances in the synthesis and application of the SSZ-39 zeolite

The SSZ-39 zeolite is regarded as a promising small-pore zeolite for industrial applications due to its excellent catalytic properties and this review briefly summarizes the recent advances in the synthesis and application of the SSZ-39 zeolite.

Graphical abstract: Advances in the synthesis and application of the SSZ-39 zeolite
Research Article

In situ formation of nickel sulfide quantum dots embedded into a two-dimensional metal–organic framework for water splitting

The schematic diagram of the water splitting of the as-prepared catalysts.

Graphical abstract: In situ formation of nickel sulfide quantum dots embedded into a two-dimensional metal–organic framework for water splitting
Research Article

Origin of the exceptional selectivity of NaA zeolite for the radioactive isotope 90Sr2+

A NaA zeolite shows exceptionally high selectivity for radioactive 90Sr2+. Structural Rietveld refinements reveal that all Sr2+ ions are located at the center of the s6rs of lta cages.

Graphical abstract: Origin of the exceptional selectivity of NaA zeolite for the radioactive isotope 90Sr2+
Research Article

Ethane oxidative dehydrogenation with CO2 on thiogallates

The CO2-assisted oxidative dehydrogenation of ethane (ODH-CO2) attracts a lot of research interest since it combines greenhouse gas utilization with the production of valuable chemicals.

Graphical abstract: Ethane oxidative dehydrogenation with CO2 on thiogallates
Research Article

On route to one-pot synthesis of delaminated Al-SSZ-70 zeolite via partial substitution of OSDA with CTAOH surfactant

Direct synthesis of delaminated layered zeolitic materials aims to synthesize confined catalysts for reactions involving sterically bulky reactants, which are too large to benefit from conventional three-dimensional confinement in micropores.

Graphical abstract: On route to one-pot synthesis of delaminated Al-SSZ-70 zeolite via partial substitution of OSDA with CTAOH surfactant
Research Article

Enhancing metal dispersion over an Mo/ZSM-5 catalyst for methane dehydroaromatization

Mo dispersion is the key factor promoting the performance of an Mo/ZSM-5 catalyst for the methane dehydroaromatization (MDA) reaction.

Graphical abstract: Enhancing metal dispersion over an Mo/ZSM-5 catalyst for methane dehydroaromatization
Research Article

Advanced scanning electron microscopy techniques for structural characterization of zeolites

Chemical etching after Ar ion beam cross sectioning enables the formation of zeolite internal nano structures to be observed directly using a newly developed highly sensitive scanning electron microscope.

Graphical abstract: Advanced scanning electron microscopy techniques for structural characterization of zeolites
Open Access Research Article

A review of recent developments for the in situ/operando characterization of nanoporous materials

This review article summarizes some of the recent developments in the field of nanoporous materials characterization.

Graphical abstract: A review of recent developments for the in situ/operando characterization of nanoporous materials
Research Article

c-Axis-penetrated mesoporous MWW zeolite nanosheets: preparation by H2O2-induced micro-explosion and their enhanced properties

A series of highly dispersed and c-axis-penetrated mesoporous MWW oligolayers with enhanced properties was prepared via an efficient, green, and controllable method through H2O2-induced micro-explosion.

Graphical abstract: c-Axis-penetrated mesoporous MWW zeolite nanosheets: preparation by H2O2-induced micro-explosion and their enhanced properties
Research Article

The relative stability of SCM-14 germanosilicate with different distributions of germanium ions in the absence and presence of structure-directing agents

According to periodic DFT calculations suggest that: Ge atoms in SCM-14 germanosilicate are clustered forming D4Rs populated entirely by Ge; structures with more Ge–O–Ge bridges are more stable; simulated 19F NMR chemical shifts do not correlated with Ge content of the D4R.

Graphical abstract: The relative stability of SCM-14 germanosilicate with different distributions of germanium ions in the absence and presence of structure-directing agents
From the themed collection: FOCUS: Metal and Metal-Containing Clusters
Research Article

Ionic liquid and lysine co-assisted synthesis of the highly dispersed Ni/SAPO-11 catalyst

Schematic illustration of the preparation of Ni/SAPO-11 and the stabilization of metal species by [Bmim][BF4] and lysine.

Graphical abstract: Ionic liquid and lysine co-assisted synthesis of the highly dispersed Ni/SAPO-11 catalyst
Research Article

Dynamic evolution of Al species in the hydrothermal dealumination process of CHA zeolites

The dynamic evolution of Al species in the hydrothermal dealumination process of CHA zeolite was investigated by multiple solid-state NMR methods. Two types of Al–OH species were clearly distinguished by 1H–1H DQ-SQ MAS NMR.

Graphical abstract: Dynamic evolution of Al species in the hydrothermal dealumination process of CHA zeolites
Research Article

Efficient hydrodesulfurization of dibenzothiophene over core–shell Ni/Al2O3@SOD and Mo/Al2O3 composite catalysts

A DBT HDS reaction scheme based on different composite catalysts (Ni/Al2O3@SOD–Mo/Al2O3 and Ni/Al2O3–Mo/Al2O3) is proposed.

Graphical abstract: Efficient hydrodesulfurization of dibenzothiophene over core–shell Ni/Al2O3@SOD and Mo/Al2O3 composite catalysts
Open Access Research Article

Rationalization of TS-1 synthesis through the design of experiments

A Design of Experiments approach allowed studying the parameters affecting TS-1 synthesis. Few of them drive the key properties of the TS-1 (synthesis yield, Ti content and speciation), namely hydrolysis time and crystallization time and temperature.

Graphical abstract: Rationalization of TS-1 synthesis through the design of experiments
Research Article

Design of highly stable metal/ZSM-5 catalysts for the shape-selective alkylation of toluene with methanol to para-xylene

The co-existence of (Pt + Ni) effectively inhibits the formation of low-carbon olefins during the alkylation of toluene with methanol via the dehydrogenation of methanol to carbon oxides and also the hydrogenation of olefins to paraffins.

Graphical abstract: Design of highly stable metal/ZSM-5 catalysts for the shape-selective alkylation of toluene with methanol to para-xylene
Open Access Research Article

Morphology and topology assessment in hierarchical zeolite materials: adsorption hysteresis, scanning behavior, and domain theory

The multiscale porosity of hierarchical zeolite materials is analyzed through advanced adsorption-based characterization in conjunction with additional techniques including electron tomography.

Graphical abstract: Morphology and topology assessment in hierarchical zeolite materials: adsorption hysteresis, scanning behavior, and domain theory
Research Article

Towards a comprehensive understanding of mesoporosity in zeolite Y at the single particle level

The usage of complementary characterization techniques enabled closing the understanding gap concerning the location and structure of mesopores in zeolites.

Graphical abstract: Towards a comprehensive understanding of mesoporosity in zeolite Y at the single particle level
Research Article

High-silica zeolite Y: seed-assisted synthesis, characterization and catalytic properties

Seed-assisted synthesis of high-silica zeolite Y with good (hydro)thermal stability, abundant strong acid sites and excellent catalytic cracking performance.

Graphical abstract: High-silica zeolite Y: seed-assisted synthesis, characterization and catalytic properties
Research Article

Strategy for the synthesis of zeolite Y by artificial-fish-reef breeding negative crystals

Cationic polyacrylamide (CPAM) provides a breeding ground on which the initial (alumino)silicate species attach and accelerate zeolite nucleation and crystallization. A nano-plate-like small-crystal-sized NaY zeolite is synthesized.

Graphical abstract: Strategy for the synthesis of zeolite Y by artificial-fish-reef breeding negative crystals
Research Article

Direct synthesis of nanorod stacked “nest-like” hierarchical ZSM-48 hollow spheres using a triazine-based bolaform organic structure-directing agent

Ordered “nest-like” hierarchical ZSM-48 (NSH-ZSM-48) hollow spheres stacked by uniform nanorods with superior accessibility were synthesized utilizing a novel bolaform s-triazine based surfactant, and the proper formation mechanism was proposed.

Graphical abstract: Direct synthesis of nanorod stacked “nest-like” hierarchical ZSM-48 hollow spheres using a triazine-based bolaform organic structure-directing agent
Research Article

Synthesis of a graphitized hierarchical porous carbon material supported with a transition metal for electrochemical conversion

A graphitized hierarchical porous carbon material supported with a transition metal was prepared by a one-pot method, and it might show potential application in electrochemical conversion.

Graphical abstract: Synthesis of a graphitized hierarchical porous carbon material supported with a transition metal for electrochemical conversion
Research Article

Realizing an aqueous sodium-ion battery with a super-high discharge voltage based on a novel FeSe2@rGO anode

Aqueous sodium-ion batteries (ASIBs) promise particularly increased operational safety and lower manufacturing cost than the current state-of-the-art organic electrolyte-based lithium-ion batteries.

Graphical abstract: Realizing an aqueous sodium-ion battery with a super-high discharge voltage based on a novel FeSe2@rGO anode
Research Article

Synthesis of zeolites from circulated fluidized bed coal fly ash

High quality zeolite A was successfully synthesised from circulating fluidized bed combustion (CFBC) fly ash by alkali fusion and hydrothermal treatment.

Graphical abstract: Synthesis of zeolites from circulated fluidized bed coal fly ash
Research Article

Seed assisted synthesis of an anionic metal–organic framework membrane for selective and permeable hydrogen separation

Hydrogen selective metal–organic framework membranes with excellent performance are in demand and synthesized here.

Graphical abstract: Seed assisted synthesis of an anionic metal–organic framework membrane for selective and permeable hydrogen separation
Research Article

Simple structure descriptors quantifying the diffusion of ethene in small-pore zeolites: insights from molecular dynamic simulations

Diffusion kinetics of ethene in cage-structured 8-ring zeolites were theoretically studied. Diffusion activation energy and pre-exponential factor correlate with the structure descriptors, i.e., opening size and accessible volume, respectively.

Graphical abstract: Simple structure descriptors quantifying the diffusion of ethene in small-pore zeolites: insights from molecular dynamic simulations
Research Article

A highly stable Zn9-pyrazolate metal–organic framework with metallosalen ligands as a carbon dioxide cycloaddition catalyst

A three-dimensional (3D) metal–organic framework constructed from unprecedented Zn9O2(OH)2(pyz)12 (pyz = pyrazolate) clusters and Ni(salen)-derived linkers was reported.

Graphical abstract: A highly stable Zn9-pyrazolate metal–organic framework with metallosalen ligands as a carbon dioxide cycloaddition catalyst
From the themed collection: FOCUS: Metal and Metal-Containing Clusters
Research Article

Insight into the nature and the transformation of the hydroxyl species in the CeY zeolite

The nature and transformation of hydroxyl species in a CeY zeolite during the calcination process have been investigated via the information of the hydroxyl spectra of the samples monitored in real-time via in situ FTIR spectroscopy technology.

Graphical abstract: Insight into the nature and the transformation of the hydroxyl species in the CeY zeolite
Research Article

Understanding the superior NH3-SCR activity of CHA zeolite synthesized via template-free interzeolite transformation

A highly active NH3-SCR catalyst (Cu-CHAUSY) derived from CHA-type zeolite (CHAUSY) that is synthesized via template-free interzeolite transformation from ultra-stable Y (USY) with specific silicon and aluminum configurations.

Graphical abstract: Understanding the superior NH3-SCR activity of CHA zeolite synthesized via template-free interzeolite transformation
Research Article

MWW-type zeolite nanostructures for a one-pot three-component Prins–Friedel–Crafts reaction

The one-pot Prins–Friedel–Crafts reaction of aldehydes, a homoallylic alcohol and aromatics catalyzed by large-pore zeolites is an attractive environmentally friendly route towards valuable heterocyclic compounds containing a 4-aryltetrahydropyran moiety.

Graphical abstract: MWW-type zeolite nanostructures for a one-pot three-component Prins–Friedel–Crafts reaction
Research Article

Linker micro-regulation of a Hofmann-based metal–organic framework for efficient propylene/propane separation

A highly stable Hofmann-based metal−organic framework has been purposely synthesized for efficient C3H6/C3H8 separation through the linker modification strategy using direct mixing method under ambient conditions.

Graphical abstract: Linker micro-regulation of a Hofmann-based metal–organic framework for efficient propylene/propane separation
Research Article

A novel CuCoS nanozyme for synergistic photothermal and chemodynamic therapy of tumors

Multifunctional CuCoS nanoparticles with photothermal converters and dual enzymatic activities have been designed for the synergistic photothermal and chemodynamic therapy of tumors.

Graphical abstract: A novel CuCoS nanozyme for synergistic photothermal and chemodynamic therapy of tumors
Research Article

Facile activation of lithium slag for the hydrothermal synthesis of zeolite A with commercial quality and high removal efficiency for the isotope of radioactive 90Sr

Zeolite A with commercial quality and high removal efficiency for Sr2+ was hydrothermally synthesized from lithium slag after mild and facile activation.

Graphical abstract: Facile activation of lithium slag for the hydrothermal synthesis of zeolite A with commercial quality and high removal efficiency for the isotope of radioactive 90Sr
34 items

About this collection

To showcase the most recent scientific and technological advances in zeolites and related porous materials from both China and abroad, the biennial Chinese Zeolite Conference was held in Qingdao, China from 27th to 30th September, 2021. A special issue of Inorganic Chemistry Frontiers entitled “Synthesis, modification and tailoring of properties of nanoporous materials” was launched after the conference. This collection of reviews and progress reports articles brings together 31 contributions from the invited and oral speakers of the conference.

Guest editors: Zhengxing Qin (China University of Petroleum-East China), Xinmei Liu (China University of Petroleum-East China) and Zifeng Yan (China University of Petroleum)

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