Correlated disorder in metal–organic frameworks
Metal–organic frameworks host many types of compositional and structural disorder. In this Highlight article we explore cases where this disorder is correlated, rather than random.
Micro-pulling-down growth of long YAG- and LuAG-based garnet fibres: advances and bottlenecks
A technological advance in shaped μ-PD crystal growth provided us with high-quality single crystalline fibres of rare-earth garnets with the good longitudinal transparency and light attenuation length of up to 1 m.
Colloidal chemical bottom-up synthesis routes of pnictogen (As, Sb, Bi) nanostructures with tailored properties and applications: a summary of the state of the art and main insights
Adjusting the colloidal chemistry synthetic parameters for pnictogen nanostructures leads to a fine control of their physical properties and the resulting performance in applications. Image adapted from Slidesgo.com.
New insights into the role of solution additive anions in Mg2+ dehydration: implications for mineral carbonation
Computer simulations of the Mg2+ dehydration mechanism show that solution additives can stabilise undercoordinated Mg2+ hydration configurations, opening up coordination sites on the central Mg2+ ion, promoting Mg-carbonates nucleation and growth.
Guest-dependent single-crystal-to-single-crystal transformations in porous adamantane-bearing macrocycles
An adamantane-bearing macrocycle exhibited permanent intrinsic porosity and adsorption of small guests in single-crystal-to-single-crystal fashions. The guest capture resulted in the structural transformations of supramolecular organic frameworks.
Evaluation of the effect of Moringa peregrina bark on the crystal habit and size of calcium oxalate monohydrate crystals in different stages of crystallization using experimental and theoretical methods
Moringa peregrina bark extract is found to successfully retard the nucleation and aggregation of calcium oxalate monohydrate crystals and distort their shape, a mechanism for which is proposed using molecular modeling.
Salt or/and cocrystal? The case of the antidepressant drug venlafaxine
The VLF–DA (1 : 2) salt cocrystal exhibited distinctively different properties in terms of kinetic stability, solubility, and bioavailability from the VLF–DA (1 : 1) salt.
Enriching the branching of Au@PdAu core–shell nanocrystals using a syringe pump: kinetics control meets lattice mismatch
Gold@palladium–gold nanocrystals with a tunable branched shape are prepared via seeded growth, where the use of a syringe pump allows the manipulation over reaction kinetics as coupled by surface diffusion and strain caused by lattice mismatch.
Controllable synthesis of SnS2 flakes and MoS2/SnS2 heterostructures by confined-space chemical vapor deposition
A halogen salt-assisted confined-space CVD method is used for the controllable synthesis of SnS2 flakes, which are parallel to the substrate and have the characteristics of better crystallinity and fewer S vacancies.
Study on the morphology of dislocation-related etch pits on pyramidal faces of KDP crystals
The dislocation related etch pits on pyramidal faces of KDP crystals were created by an improved wet etching method and investigated using an optical microscope and 3D confocal microscope.
A series of A- and B-type Anderson compounds with Al, Te and Cr as centers by tuning different ligands: syntheses, electrochemical, photocatalytic and CO2RR properties
A series of N- and N/O-containing ligands were used, inducing the 2D structures of compounds 1, 3, 4 and 6, a discrete unit containing the tri-nuclear [CuII3(tybm)3(H2O)4]6+ cluster of 2, and a 3D framework of 5.
Growth kinetic control over MgFe2O4 to tune Fe occupancy and metal–support interactions for optimum catalytic performance
For the first time, the growth behavior with size-dependent Fe occupancies at different sites of MgFe2O4 was examined. Hybrid catalysts of Pt/MgFe2O4 with a support size of 20.6 nm exhibited an optimal performance of CO oxidation.
Constructing a 2D/2D heterojunction of MoSe2/ZnIn2S4 nanosheets for enhanced photocatalytic hydrogen evolution
2D/2D MoSe2/ZnIn2S4 heterojunctions exhibit high photocatalytic activity owing to MoSe2 as a cocatalyst, which provides more active sites, reducing the overpotential and the activation energy for water reduction.
A fluorescence red-shift and turn-on sensor for acetylacetone derived from ZnII-based metal–organic framework with new topology
JXUST-4 with a rare (3,3,7)-c topology net has been prepared, acting as a fluorescent sensor for acac through obvious fluorescence red-shift and enhancement with excellent properties.
High length-to-width aspect ratio lead bromide microwires via perovskite-induced local concentration gradient for X-ray detection
Well-oriented PbBr2 microwires with a length-to-width ratio of up to 5000 were grown using a concentration gradient in co-crystallization with perovskite. Planar-integrated microwires showed a response to X-ray photons.
Structural insights into a new family of three-dimensional thiocyanate-bridged molecular double perovskites
Four new three-dimensional thiocyanate-bridged molecular double perovskites with bent Cd–S–C angles in a narrow distribution range reveal highly distorted frameworks with a relatively strong structural rigidity.
Computational insights into the formation driving force of CL-20 based solvates and their desolvation process
The O⋯H interactions between CL-20 and solvents are the formation driving force of CL-20 solvates.
Growth manner of rod-shaped ZnO crystals at low temperature without any seed/buffer layer on a polyimide film
Recently, we fabricated a rod-shaped ZnO crystal layer directly on a polyimide substrate without any intermediate layer. In this study, we aimed to understand its fabrication mechanism.
La6Cd0.75Ga2Q11.5Cl2.5 (Q = S and Se): two new nonlinear optical chalcohalides with a large laser-induced damage threshold
Two new nonlinear optical chalcohalides La6Cd0.75Ga2Q11.5Cl2.5 (Q = S and Se) with good NLO performance are reported, which shows the benefits of the introduction of Cl-atoms in enhancing polarization and LIDTs.
Preyssler-type polyoxometalate-based crystalline materials for the electrochemical detection of H2O2
Four Preyssler-type polyoxometalate-based organic–inorganic hybrid materials were synthesized as non-enzymatic H2O2 electrochemical sensors, with high sensitivity and low detection limit.
A multifunctional benzothiadiazole-based fluorescence sensor for Al3+, Cr3+ and Fe3+
A benzothiadiazole-based ZnII MOF (JXUST-3) has been synthesized, which is a good multifunctional chemosensor for the detection of Al3+, Cr3+ and Fe3+.
Organic solvates in the Cambridge Structural Database
Data informatics methods applied to the Cambridge Structural Database reveal shifting trends in solvate formation and inherent biases in the symmetry and packing fraction of solvates and their solvent-free analogues.
Mechanism of stacking fault annihilation in 3C-SiC epitaxially grown on Si(001) by molecular dynamics simulations
Stacking fault annihilation mechanism in 3C-SiC epitaxially grown on Si(001) is studied by molecular dynamics simulations and its implications for improvement of 3C-SiC characteristics are provided.
MOF-74-type frameworks: tunable pore environment and functionality through metal and ligand modification
This highlight demonstrates a comprehensive overview of MOF-74-type frameworks in terms of synthetic approaches and pre- or post-synthetic modification approaches.
A small molecule with a big scissoring effect: sodium dodecyl sulfate working on two-dimensional metal–organic frameworks
In this paper, a SDS-directed solution method was developed to synthesize a series of well-dispersed two-dimensional non-layered metal–organic frameworks (MOFs) (ZIF-8 & ZIF-67) and layered MOFs (ZnTCPP & CuBDC).
High crystallinity and conjugation promote the polarization degree in O-doped g-C3N4 for removing organic pollutants
High crystallinity and extended conjugated system improve the polarization of O-doped g-C3N4, which efficiently promotes carrier separation.
Space-confined CVD growth of 2D-MoS2 crystals with tunable dimensionality via adjusting growth conditions
2D MoS2 crystals with tunable dimensionality can be realized by the reaction of S and Mo foil under adjusted growth conditions via a space-confined chemical vapor deposition method.
The impact of solid solution composition on kinetics and mechanism of [2 + 2] photodimerization of cinnamic acid derivatives
The effect of the solid solution composition on the kinetics of solid-state [2 + 2] photocycloadditions was evaluated via a combination of single crystal XRD, FTIR, Raman spectroscopy, and principal component analysis (PCA).
Enhanced photoluminescence and photocatalytic performance of a TiO2–ZnWO4 nanocomposite induced by oxygen vacancies
We reported the enhanced photoluminescence and photocatalytic performance of a TiO2–ZnWO4 nanocomposite and discussed the mechanism behind the superior behavior in this study.
Magnetic particles used in a new approach for designed protein crystallization
Designed protein crystallization using magnetic particles as additives in the crystallization of model case studies.
Suppression of isotopic polymorphism
Crystallisation at pressure overcomes the effect of isotopic polymorphism in the methylpyridine pentachlorophenol co-crystal. Though the hydrogenated Cc polymorph can only be obtained at pressure, it is stable on recovery to ambient conditions.
Anisotropic bending and twisting behaviour of a twin crystal composed of a diarylethene
The unusual photomechanical behaviour of a “twin crystal” consisting of a diarylethene derivative was investigated.
About this collection
This collection represents the top 10% of research published in CrystEngComm each quarter. Featured articles are marked as HOT by the handling editor or as recommended by referees. Congratulations to all the authors whose articles are featured.