Themed collection Recent Developments in Intercalation Compounds: Chemistry and Applications

Welcome to this themed issue of Dalton Transactions entitled “Recent Developments in Intercalation Compounds: Chemistry and Applications”.

Mechanochemical methods (solid–solid reactions under ambient conditions or solvent free synthesis) are useful for the preparation of intercalation compounds.

High quality bulk samples of the first four polyacenes, naphthalene, anthracene, tetracene, and pentacene, doped with alkali metal in 1 : 1 and 1 : 2 stoichiometries were prepared and their fundamental properties were systematically studied. The carrier doped typical aromatic hydrocarbons showed a large variety of properties as well as charge transfer complexes and metal doped fullerides. We open a new category in condensed matter chemistry and physics.

Alcohol and amine intercalates with hosts based on alkaline-earth metal phenylphosphonates are reviewed.

This review lists some relevant types of intercalated lamellar materials and applications of DFT calculations in these materials.

Dion–Jacobson perovskites and their exfoliated nanosheets provide a unique platform for designing new dielectric/ferroelectric materials.

The sol–gel process involving hydrolysis and condensation reactions is an attractive way to form siloxane based hybrid materials since it is a one-step method performed under mild conditions.

Microwave-assisted methods are effective in a variety of topochemical modifications of layered perovskites.

Hybrid layered double hydroxide materials with high aspect ratio have been prepared by slow hydrolysis of metal hydroxides with hydrophobic anions.

Metformin hydrochloride is spontaneously intercalated into layered silicates like montmorillonite by an ion-exchange mechanism, producing a promising controlled release system.

Montmorillonite clay was modified to introduce iron species and acid sites in the interlayer space, aiming to obtain a catalyst with oxidising and acid properties for the degradation of chemical warfare agents.

A new system of highly ordered self-assembly intercalated polymer/clay nanocomposite is reported.

Drug intercalates of a layered gadolinium hydroxide have been prepared, and their drug delivery and imaging properties explored.

Nanocomposites based on poly(butylene succinate) and hydrotalcite-type anionic clays organo-modified with antibacterial biomolecules have been prepared by in situ polymerization.

Controllable synthesis and selective IR absorption properties of micrometer-sized H₂PO₄-LDHs were investigated in details as well as the structure-performance relationship.

Chemical redox reactions are extremely efficient to prepare fully reduced or oxidized phases that are formed during the topotactic insertion/extraction of alkaline ions. Moreover, these phases show new ordered or disordered Rock Salt type structures.

Strategies to tether a Zr-based catalyst to 2D and 3D molecular sieves for olefin polymerizations and their interactions with the surface.

A carbon replica obtained from a LDH was used for the first time as an adsorbent for the removal of Dicamba herbicide from aqueous solutions.

Soft-Pillared@Magadiite can adsorb 0.36 mmol g⁻¹ at 25 °C and desorb CO₂ below 90 °C.

Optimization of the synthesis conditions allows the top-down synthesis of a novel IPC-12 zeolite by disassembly–reassembly of UOV germanosilicate.

Phytate-LDH was prepared by an anion exchange method, which has highly selective adsorption ability for Pr³⁺, Ce³⁺, Pb²⁺, and Co²⁺ cations.

The use of organic solvents enhanced the designability of the surface functional groups of interlayer-modified magnesium hydroxides with tripodal ligands.

We report on the synthesis and spectroscopic characterization of alkali metal intercalated ZrSe₂ single crystals.

Monodispersed hierarchical layered double hydroxide on silica spheres (LDH@SiO₂) with core–shell structures were developed for metalloporphyrin immobilization and the materials were used as oxidant catalysts of different substrates.

Two ion exchanger solids (LDH and ZrP) as an innovative tool to remove gypsum from ancient monuments.

In this paper, three solid base catalysts of LDH-IL-Cn (n = 4, 8, 12) were synthesized by adopting an exfoliation/assembly approach. The as-prepared catalyst showed excellent activity and selectivity for the Knoevenagel reaction in aqueous solution.

In the present study a porous lamellar zirconium phosphate heterostructure (PPH) formed from zirconium(IV) phosphate expanded with silica galleries (P/Zr molar ratio equal to 2 and (Si + Zr)/P equal to 3) was prepared to host noble metals.

OVA-CpG combined vaccines adjuvanted with both layered double hydroxide nanomaterials induced significantly stronger humoral and cell-medicated immune responses.

Highly efficient visible-light-active hybrid photocatalysts with enhanced electronic coupling are synthesized via the intercalative hybridization of Zn–Cr-LDH nanocrystals with mesoporous g-C₃N₄.

A combined experimental–computational approach allowed a correlation of the homogeneity of the dispersion of squaraine dyes within mesoporous silica nanoparticles with their photosensitizer activity.

Pillaring of FER layers gives porous products depending on the temperature of TEOS treatment.

A systematic understanding on the osmotic swelling of layered niobate crystals using various amines is reported.

Chemically exfoliated MoS₂ nanosheets undergo a reoxidation process when storing the dispersion in ambient air, the chemical nature of which can be monitored from the structural evolution of the restacked nanosheets.

The thermal and flame retardant performances of polypropylene (PP) nanocomposites with sodium dodecyl sulfate (DDS) and stearic acid intercalated layered double hydroxides (DDS-LDHs and stearic-LDHs) were investigated in this study.

Comparison of mesoscopic ordering between in situ generation versus ex situ dispersion of inorganic (LSH or LDH) platelets assisted by bola amphiphiles.

A new type of low-temperature selective catalytic reduction (SCR) catalyst, Cu_yMn_zAl_1−zO_x, derived from layered double hydroxides is presented in this contribution.