Themed collection 2025 Highlight article collection

Versatile responses beyond photomechanical behavior based on dynamic molecular crystals
Dynamic molecular crystals exhibit multiple responses besides photomechanical motions, which are suitable for future multitasking actuation and switches under various conditions.
CrystEngComm, 2025,27, 5070-5086
https://doi.org/10.1039/D5CE00397K

Wet chemistry nanoarchitectonics for nanocrystal-based films
Fabrication of nanocrystal thin films through wet chemical processes and their resulting functional properties are explored. Special attention is given to the dimensionality of pre-formed nanocrystals spanning 0D, 1D and 2D, and its influence on the resulting films.
CrystEngComm, 2025,27, 5040-5069
https://doi.org/10.1039/D5CE00446B
Navigating phase behaviour in pharmaceuticals to enable phases with desired properties
The solid form of an API depends on its thermodynamic stability and kinetic persistence. It is therefore important to understand its phase behaviour symbolised by the ternary phase diagram, but also the kinetics of possible phase transformations.
CrystEngComm, 2025,27, 4906-4921
https://doi.org/10.1039/D5CE00394F

The pancake bond: on the border of covalent and intermolecular
The two-electron multicentre (2e/mc) bond or pancake bond, a weak π-bond occurring between planar π-based organic radicals, is described and discussed.
CrystEngComm, 2025,27, 4932-4940
https://doi.org/10.1039/D5CE00286A
Accurate determination of atomic displacement parameters for thermoelectric materials from synchrotron powder diffraction data with sophisticated background treatment
We show that analysis including first-order thermal diffuse scattering (TDS) improves the accuracy of atomic displacement parameters (ADPs) of Al and Ag8SnSe6 determined by Rietveld analysis.
CrystEngComm, 2025,27, 4922-4931
https://doi.org/10.1039/D5CE00297D

Structural evolution and bonding features of electron deficient copper chalcogenides
Many copper chalcogenides disobey oxidation state formalism and demonstrate p-type conductivity and Pauli paramagnetism despite covalent bonding. Crystal structures and electronic features of these compounds are analyzed.
CrystEngComm, 2025,27, 4787-4795
https://doi.org/10.1039/D5CE00479A
What makes brickwork crystal structures favourable? A case study on methylthiolated arenes and heteroarenes for high-mobility molecular semiconductors
The quantitative analyses of molecular mutual positions in a range of brickwork crystal structures of methylchalocogenolated (hetero)arenes gave us a hint to understand the key features of the system for designing better molecular semiconductors and the crystal structures.
CrystEngComm, 2025,27, 4776-4786
https://doi.org/10.1039/D5CE00488H
Advances in the fabrication of multiple stopband photonic crystal microparticles
This highlight provides an overview of the research progress in photonic crystal microparticles with multiple stopbands.
CrystEngComm, 2025,27, 4796-4809
https://doi.org/10.1039/D5CE00365B
Preparation and photoelectrochemical properties of GaN-based TiO2 nanorod heterojunctions
The GaN/TiO2 heterostructure can enhance the separation efficiency of photogenerated charge. The doping of In improves the transfer ability of photogenerated charge. So, GaN/In-TiO2 shows increased PEC properties compared with GaN/u-TiO2.
CrystEngComm, 2025,27, 4642-4648
https://doi.org/10.1039/D5CE00404G
Subcomponent self-assembly approach in molecular cages and its implication on solution behavior
The subcomponent self-assembly approach for molecular cages had been summarized. Mass spectrometry technology is promising for analyzing the solution behavior and monitoring the formation process of such sophisticated aggregations.
CrystEngComm, 2025,27, 4634-4641
https://doi.org/10.1039/D5CE00343A
Structural engineering of POM-based composite materials: zeolite and silica as supports
This review highlights structural engineering advances in POMs/zeolite and POMs/silica composites, including synthesis methods (in situ encapsulation, impregnation, sol–gel, and surface functionalization) and several representative composites.
CrystEngComm, 2025,27, 4453-4462
https://doi.org/10.1039/D5CE00393H

MOFs as a partner for the H2 industry
Metal–organic frameworks (MOFs) are hybrid organic–inorganic porous materials composed of metal cations and polydentate organic ligands, forming high porosity and surface areas modular architectures, which could be applied for hydrogen technologies.
CrystEngComm, 2025,27, 4425-4442
https://doi.org/10.1039/D5CE00384A
MOFs in healthcare diagnostics: shaping the future of biomedical test strips
MOFs enhance biomedical test strips with high sensitivity, selectivity, and eco-friendliness via porous, tunable structures. Their luminescent and catalytic properties enable precise biomarker detection, advancing rapid and reliable point-of-care diagnostics.
CrystEngComm, 2025,27, 4443-4452
https://doi.org/10.1039/D5CE00469A
Recent advances in ceria-based free radical scavenging nanoparticles for durability enhancement of polymer electrolyte membrane fuel cells
This highlight article presents surface-engineered ceria additives for fuel cells to mitigate radical-induced degradation and improve durability.
CrystEngComm, 2025, Advance Article
https://doi.org/10.1039/D5CE00400D

Computational spectroscopy for crystalline materials: from structure to properties
Can computational spectroscopy predict the crystal structure of experimentally challenging systems?
CrystEngComm, 2025,27, 4231-4242
https://doi.org/10.1039/D5CE00342C
Large-sized organic semiconductors: crystallization, characterization and applications
Three growth methods for large organic semiconductors are summarized, characterization methods and applications in long persistent luminescence, nonlinear optics, and X-ray imaging.
CrystEngComm, 2025,27, 4243-4257
https://doi.org/10.1039/D5CE00398A

Advancements in mononuclear dysprosium-based single-molecule magnets via synthetic and molecular engineering
Recent advancements of mononuclear dysprosium-based single-molecule magnets, and the strategies to said advancements, are highlighted within this article.
CrystEngComm, 2025,27, 4055-4070
https://doi.org/10.1039/D5CE00181A
Advances in ionic liquid-mediated protein crystallization
This review focuses on the multifaceted mechanisms of ionic liquids in protein crystallization and systematically summarizes the research progress in this field in recent years.
CrystEngComm, 2025,27, 4040-4054
https://doi.org/10.1039/D5CE00230C
Finding the correlation between electrical conductivity and dimension of metal–organic frameworks
We highlight that the intrinsic electrical conductivity of MOFs with identical metal–ligand combinations follows the order 1D > 2D > 3D. This will lead to the formation of new 1D MOFs that can surpass the conductivity of 2D MOFs.
CrystEngComm, 2025,27, 3877-3886
https://doi.org/10.1039/D5CE00309A
Recent progress in perovskite light-emitting diodes with high external quantum efficiency and stability
Summarizing the strategies for enhancing EQE and T50 of high-performance perovskite LEDs.
CrystEngComm, 2025,27, 3853-3876
https://doi.org/10.1039/D5CE00222B
Advanced characterization techniques for the coking process of zeolites: a comprehensive review
Summary of a variety of characterization techniques to research into the coking behaviour of zeolites, covering the origins, formation processes, types of cokes and their effects on zeolites.
CrystEngComm, 2025,27, 3616-3642
https://doi.org/10.1039/D5CE00156K
Recent multifunctional applications of AIE-MOF/COF porous materials
This highlight explores the diverse applications of AIE-MOF/COF materials, particularly in optoelectronic devices, sensing, biomedicine, and catalysis, with a focus on recent advancements in luminescence properties and multifunctional applications.
CrystEngComm, 2025,27, 3643-3658
https://doi.org/10.1039/D5CE00311C
Lead-free metal halide double perovskites – from crystal design to optoelectronic applications
Metal halide double perovskites offer structural tunability, low toxicity, and promising optoelectronic properties. This review summarizes recent advances and key challenges in their design, carrier dynamics, and device applications.
CrystEngComm, 2025,27, 3416-3432
https://doi.org/10.1039/D5CE00310E

Elucidating thin film growth mechanisms for high-performance II–VI photovoltaic semiconductors: simulation-driven insights and challenges
Thin-film growth in II–IV semiconductors: a review based on atomistic simulations.
CrystEngComm, 2025,27, 3404-3415
https://doi.org/10.1039/D5CE00244C
Advancing zeolite design via ionic liquid templating approach
Ionic liquids construct zeolites with their unique properties, serving as solvents, structure-directing agents, porogens, and post-synthetic modifiers. This approach is reshaping zeolite synthesis and enabling the creation of new frameworks. Graphical abstract image generated with AI.
CrystEngComm, 2025,27, 3164-3179
https://doi.org/10.1039/D5CE00253B
Progress in niobium-derived MXenes: synthesis, properties and applications
This review explores the synthesis, properties, and applications of Nb-based MXenes in energy storage, electrocatalysis, hydrogen evolution, EMI shielding, sensing, and biomedicine.
CrystEngComm, 2025,27, 3180-3213
https://doi.org/10.1039/D4CE01232A
Designing of self-assembled supramolecular frameworks for recognition of anion–water clusters: recent highlights
This highlight summarises recent research work done in the field of anion recognition chemistry, with a focus on designing artificial receptors for encapsulating anion–water clusters.
CrystEngComm, 2025,27, 2964-2978
https://doi.org/10.1039/D5CE00122F
Diving into the invisible region—a review of crystallographic-site-dependent ultraviolet and near-infrared luminescence of the garnet structure
Invisible luminescence materials have attracted considerable attention due to their versatile applications in sterilization, photocatalysis, plant growth, night vision, and laser technology.
CrystEngComm, 2025,27, 2979-2992
https://doi.org/10.1039/D5CE00142K

Computational insights on dynamic disorder in molecular crystals – from electron structure over phonons to thermodynamics
This highlight article presents a mosaic assembling the achievements of computational modeling of the impact of dynamic disorder in molecular crystals on the performance of organic barocaloric, pharmaceutical or semiconductor materials.
CrystEngComm, 2025,27, 2778-2794
https://doi.org/10.1039/D5CE00209E

Molecular beam epitaxy of AlGaN nanowires: source configuration and correlated material properties and device characteristics
Advancement on the molecular beam epitaxy of AlGaN nanowires is discussed with a focus on the effect of system layout, through which it aims to spark new thinking on how the system layout – a less discussed topic – affects the material properties.
CrystEngComm, 2025,27, 2795-2804
https://doi.org/10.1039/D5CE00147A
Thiazolothiazole based functional metal–organic frameworks
Thiazolothiazole-based MOFs offer a versatile platform for multifunctionality. This highlight reviews ligand design, synthesis methods, applications, challenges, and future trends.
CrystEngComm, 2025,27, 2611-2622
https://doi.org/10.1039/D5CE00169B

What drives porosity in aluminosilicate zeolites?
Phase selection, and thus porosity, in aluminiumsilicate zeolites is driven by competition between water and framework elements to coordinate with extra-framework cations.
CrystEngComm, 2025,27, 2452-2461
https://doi.org/10.1039/D5CE00034C
Crystal habit modification of sodium chloride using habit modifiers: a dive into more than 50 years of research & development on crystal habit modification of rock-salt crystals
Crystal habit modification of salt crystals has been a fascinating area of research for decades.
CrystEngComm, 2025,27, 2439-2451
https://doi.org/10.1039/D4CE01055H
Nanococrystals: a promising strategy for improved drug performance
The process of producing a nanosized cocrystal employing two or more components that possess hydrogen bonds, pi–pi stacking, and van der Waals interactions is known as nanococrystallization.
CrystEngComm, 2025,27, 2260-2280
https://doi.org/10.1039/D5CE00144G
Accelerating materials property discovery in uncharted domains through the integration of high-throughput computation and machine learning
This work presents a data-driven framework that integrates HT computations and ML to accelerate materials discovery, enabling efficient feature extraction, structure–property analysis, and performance prediction for various applications.
CrystEngComm, 2025,27, 2251-2259
https://doi.org/10.1039/D5CE00096C

Conformational analysis of biomineral proteins interacting with inorganic minerals using dispersive mineral particles for solution NMR
Biominerals form via organic–inorganic interactions, but their molecular mechanisms remain unclear. Solution NMR with dispersive mineral particles enables conformational analysis, providing insights for biomimetic mineral synthesis.
CrystEngComm, 2025,27, 2043-2063
https://doi.org/10.1039/D4CE01253D

Inclusion and intercalation compounds of arsenic(III) oxide polymorphs
State-of-the-art studies of arsenic(III) oxide inclusion compounds with hydrogen and helium, as well as intercalation compounds with alkali metal and ammonium (pseudo)halides, are highlighted with a particular emphasis on secondary interactions.
CrystEngComm, 2025,27, 1862-1872
https://doi.org/10.1039/D5CE00135H

Unveiling POM–peptide complexes: molecular insights into metal oxide nanoparticle–protein interactions
Factors influencing Keggin polyoxometalate species interaction with small peptide molecules have been summarized providing models for investigation of mineral nanoparticle–protein interactions.
CrystEngComm, 2025,27, 1679-1686
https://doi.org/10.1039/D4CE01269K
Metal–organic framework-based catalysts toward the electrosynthesis of urea
Highlighting MOF-based materials for efficient electrocatalytic urea synthesis.
CrystEngComm, 2025,27, 1521-1528
https://doi.org/10.1039/D5CE00139K
Advances in metal sulfide anodes for high-performance sodium-ion batteries
In this review, recent research advancements in the field are highlighted, addressing technological challenges and exploring promising research prospects for the future development of MSs.
CrystEngComm, 2025,27, 1225-1239
https://doi.org/10.1039/D4CE01209G
Advances in silver-based chalcogenide flexible thermoelectric materials
Silver-based chalcogenides have intrinsic plasticity and excellent thermoelectric properties and are potential materials for flexible thermoelectrics. In this work, the properties, optimization, and application of these materials are reviewed.
CrystEngComm, 2025,27, 1055-1077
https://doi.org/10.1039/D4CE00915K
Classification of crystal structures of extended aromatic hydrocarbons and the systematic relations
Crystal structures of extended aromatic hydrocarbons are systematically classified starting from the orientation of the non-parallel interaction.
CrystEngComm, 2025,27, 889-902
https://doi.org/10.1039/D4CE01151A
Harnessing non-covalent interactions in modified thiophenes: structural design and applications in materials and biological sciences
This highlight explores the key role of thiophene-based compounds in organic electronics, sensors, medicinal chemistry, solid-state reactions, crystal engineering, and supramolecular helices, using X-ray, DFT, and microscopy techniques.
CrystEngComm, 2025,27, 736-748
https://doi.org/10.1039/D4CE01213E
Recent progress of metal–organic framework materials with a benzothiadiazole unit for fluorescence sensing
This highlight aims to showcase the recent progress of benzothiadiazole-based luminescent metal–organic frameworks for the detection of ions, amino acids, volatile organic compounds and drug molecules.
CrystEngComm, 2025,27, 713-728
https://doi.org/10.1039/D4CE01172D

A lot to unpack: a decade in high Z′ crystal structures
Crystal structures that form with more than one molecule in the asymmetric unit (Z′ > 1) are a fascinating and important, if overlooked, aspect of crystal engineering.
CrystEngComm, 2025,27, 578-589
https://doi.org/10.1039/D4CE01186D
Recent advances in molecular mechanisms of gas hydrate growth
This highlight provides an overview of recent advances in molecular mechanisms of gas hydrate growth, and presents the challenges and opportunities currently encountered.
CrystEngComm, 2025,27, 456-467
https://doi.org/10.1039/D4CE01149J
Exploring flexibility in molecular crystals: bending responses to light and mechanical stress
This review aims to elucidate the mechanisms governing the flexibility of crystals that respond to both light and mechanical stimuli.
CrystEngComm, 2025,27, 127-137
https://doi.org/10.1039/D4CE01131G
About this collection
This web collection contains the Highlight articles published in CrystEngComm in 2025.