Themed collection Dalton Transactions HOT Articles
Coke-induced deactivation in zeolite catalysts: mechanisms, anti-coking modifications, and regeneration approaches
Coke formation causes gradual deactivation of zeolite catalysts, whereas rational design and regeneration strategies enhance their durability.
Dalton Trans., 2025,54, 17383-17399
https://doi.org/10.1039/D5DT01936B
Biochemical assays for evaluating anticancer activity and validating mechanisms of action in coordination/organometallic compounds: a review
This work demonstrates how metal-based chemotherapeutic candidates target key biomolecules (mitochondria, DNA, proteins, death receptors, enzymes and so on) to disrupt vital pathways to induce cancer cell death.
Dalton Trans., 2025,54, 16285-16317
https://doi.org/10.1039/D5DT01851J
A practical guide to measuring and reporting photophysical data
This tutorial provides practical recommendations for measuring and reporting photophysical data, including both experimental considerations and best practices for presenting the data in published work.
Dalton Trans., 2025,54, 16268-16284
https://doi.org/10.1039/D5DT02095F
Oxidation-induced irreversible phase transformation of ethyltriphenylphosphonium-based copper chloride single crystals for achieving second harmonic generation and magnetism
The irreversible transformation of ETPCuCl2 into ETPCuCl3 achieves functional switching from second harmonic generation to magnetism through an oxidation induced phase transformation strategy.
Dalton Trans., 2025,54, 17772-17777
https://doi.org/10.1039/D5DT02573G
A disilane-bonded bis(methylpyridine) Cu(I) complex exhibiting reversible trigonal–tetrahedral switch with stimuli-responsive luminescence
A stimuli-responsive tetranuclear copper(I) complex with 1,1,2,2-tetramethyl-1,2-bis(3-methylpyridin-2-yl)disilane (L1) showed reversible structural transformation between Cu4I4(L1)2·2CH3CN and Cu4I4(L1)2.
Dalton Trans., 2025,54, 17425-17429
https://doi.org/10.1039/D5DT01893E
Dinitrogen-bridged diruthenium complexes bearing 2,6-pyridinedicarboxylate in the mixed-valence state
A dinitrogen-bridged ruthenium dinuclear complex in a mixed-valence state of Ru(II)–Ru(III), [{Ru(κ2-pydc)(NH3)3}(μ-N2){Ru(κ2-pydc)(NH3)2(OH)}], has been synthesized by a reaction using dinitrogen or hydrazine as a dinitrogen source.
Dalton Trans., 2025,54, 16328-16332
https://doi.org/10.1039/D5DT02337H
Fast and easy reactor-based production of copper-64 with high molar activities using recoil chemistry
We identified tert-butyl copper(II) phthalocyanine as the target material for reactor-based production of medically relevant quality and quantity copper-64 using recoil chemistry.
Dalton Trans., 2025,54, 15701-15704
https://doi.org/10.1039/D5DT02046H
Pressure-induced tuning of the triangular-honeycomb structure of ferroelectric quantum spin liquid candidate, TbInO3
The pressure response of the triangular-honeycomb-structured ferroelectric quantum spin liquid candidate, TbInO3, has been determined via neutron powder diffraction up to 5.75(5) GPa.
Dalton Trans., 2025,54, 15696-15700
https://doi.org/10.1039/D5DT01863C
Electron-withdrawing groups as property tuners in functionalized terpyridine-based ligands in Eu(III) and Tb(III) complexes
Electron-withdrawing groups in the ortho-position of the terpyridine ligand modulate the structure and photoluminescence characteristics of Eu(III) and Tb(III) complexes.
Dalton Trans., 2025,54, 17851-17863
https://doi.org/10.1039/D5DT02417J
High-nuclearity Cu hydride nanoclusters of Cu22H19 and Cu20H13 consolidated by an N-containing triphosphine ligand: synthesis, characterization and catalysis
Two Cu hydride nanoclusters, [Cu22H19] and [Cu20H13], are synthesized and their compositions and structures are determined by 1H NMR, high-resolution ESI-MS and single-crystal X-ray diffraction analysis.
Dalton Trans., 2025,54, 17814-17824
https://doi.org/10.1039/D5DT02358K
LiBa3Al2B3O11: a deep-ultraviolet transparent optical borate featuring a 2D [Al2B3O11]∞ layered structure
LiBa3Al2B3O11, with a two-dimensional [Al2B3O11]∞ layers, exhibits deep-ultraviolet transparency.
Dalton Trans., 2025,54, 17834-17838
https://doi.org/10.1039/D5DT02373D
A “turn-on” chemodosimeter for detection of Cu2+ in living cells
Optimized chemodosimeter BuCh allows monitoring Cu(II) in living cancer cells by using flow cytometry or fluorescence microscopy.
Dalton Trans., 2025,54, 17880-17887
https://doi.org/10.1039/D5DT02331A
Structures and thermodynamics of dinuclear species formed in a uranyl(VI)–malic acid system: a multi-technique approach
A multi-method approach allowed unambiguous determination of aqueous speciation in a uranyl(VI)–malic acid system in the pH range 1.5–5.5, highlighting the predominance of dinuclear complexes even at U(VI) concentrations as low as 10 µM.
Dalton Trans., 2025,54, 17839-17850
https://doi.org/10.1039/D5DT02117K
Spin-crossover semiconductors based on homoleptic tris-diimine Fe(II) complexes with fractionally charged TCNQ˙δ− anions
Cationic Fe(II) complexes were combined with fractionally charged TCNQ˙δ− anions (0 < δ < 1) to produce hybrid materials that combine spin-crossover on the metal-containing complex with semiconductivity provided by the stack of the organic anions.
Dalton Trans., 2025,54, 17825-17833
https://doi.org/10.1039/D5DT02365C
Hydrogen adsorption and dissociation on transition metal anchored B12N12 nanocages: insights from density functional theory
Novel Co@B12N12 with an activation barrier of 0.14 eV, as a clean and scalable energy carrier and a cost-effective, noble metal-free single atom catalyst.
Dalton Trans., 2025,54, 17864-17879
https://doi.org/10.1039/D5DT01548K
Researching advancements in the electrochemical performance of molybdenum-based spherical polyoxometalate/reduced graphene oxide aerogel composites as electrode materials for supercapacitors
Preparation process diagram of {Mo132}/rGA composites.
Dalton Trans., 2025,54, 17458-17470
https://doi.org/10.1039/D5DT02107C
Hemiparetic koneramine NNP ligand comprising strategic hard and soft donors: transition metal complexes, CS2 activation and therapeutic potential
A novel koneramine-derived tridentate NNP ligand has been designed and synthesized, and its coordination chemistry explored with hard and soft metal centres, including Zn(II), Pd(II), Ru(II), Cu(I), Cu(II), and Ni(II).
Dalton Trans., 2025,54, 17471-17478
https://doi.org/10.1039/D5DT02106E
Induction of helical chirality in tetrahedral transition metal complexes with non-bridging monodentate oxazolines
Selective formation of (M)-helical tetrahedral [M(1)2X2] complexes is induced by (4S)-substitution of monodentate 2-aryl oxazolines. They are characterized experimentally and computationally, and compared to bisoxazoline analogues.
Dalton Trans., 2025,54, 17083-17101
https://doi.org/10.1039/D5DT02399H
Interplay of dual-site metal disorder on the thermodynamic stability and electronic structures of Cu(I)-containing molybdovanadate and tungstovanadate compounds
Two Cu(I)-molybdovanadates and one Cu(I)-tungstovanadate have been synthesized, revealing a deeper understanding of the relationships between the Cu-coordination environment, mixed-metal site disorder, band gaps, and thermodynamic stability.
Dalton Trans., 2025,54, 17102-17111
https://doi.org/10.1039/D5DT02255J
Polypyridyl ruthenium(II) complexes functionalized with fatty acids for photodynamic therapy and induction of pyroptosis
A fatty acid-engineered ruthenium-based photosensitizer enables lysosome-targeted photodynamic therapy by inducing pyroptosis, thereby achieving synergistic antitumor effects.
Dalton Trans., 2025,54, 17121-17129
https://doi.org/10.1039/D5DT02102B
Platinum(II) complexes of fluorinated pyrrole carbothioamides: enhanced anticancer activity and overcoming cisplatin resistance
Pt complexes of fluorinated pyrrole-derived carbothioamides were assessed for their anticancer activity. The p-fluoro substituted complex was more potent than the ligand across the cancer cell line panel including a cisplatin-resistant cell line.
Dalton Trans., 2025,54, 17112-17120
https://doi.org/10.1039/D5DT02290H
Dynamic self-regulating interfaces enable crystallization control and lead sequestration in perovskite photovoltaics
With the pioneering development of a nickel acetate-enabled dynamic interface, controlled Pb2+ release from in situ-formed NA suppresses nucleation while passivating defects, achieving 18.43%-efficient HTM-free C-PSCs with minimized Pb leakage.
Dalton Trans., 2025,54, 16737-16744
https://doi.org/10.1039/D5DT01789K
Selective electrochemical CO2 reduction to CO by a Co(II) dimer catalyst by metal–ligand cooperativity
A cobalt dimer catalyst enables selective CO2-to-CO electroreduction with 94% FE and TOFmax = 2575 s−1. Mechanistic studies combining DFT, IR-SEC, and KIE support an EECC pathway with metal–ligand cooperativity for CO2 reduction.
Dalton Trans., 2025,54, 16682-16696
https://doi.org/10.1039/D5DT02003D
Zinc gluconate as a multifunctional electrolyte additive for dendrite-free and long-life zinc ion batteries
Zinc gluconate (ZG) is introduced as an effective additive to the frequently used ZnSO4 electrolyte in AZIBs.
Dalton Trans., 2025,54, 16745-16753
https://doi.org/10.1039/D5DT02192H
A spin-state switchable MOF-based film for visual DMSO vapor sensing
The encapsulation of an Fe(III) spin crossover complex in a Zr(IV)-based metal–organic framework film led to a switchable compound that can be used for colorimetric sensing of dimethyl sulfoxide.
Dalton Trans., 2025,54, 16754-16759
https://doi.org/10.1039/D5DT02285A
The electrochemistry of neptunium in tri-n-butyl phosphate
Neptunium's voltammetry in tributyl phosphate reveals complexation-induced stabilization of Np(VI) and experimental innovations enable actinide electrochemistry in 30% tributyl phosphate PUREX-type solvents.
Dalton Trans., 2025,54, 16760-16771
https://doi.org/10.1039/D5DT01823D
Stability, structure, dynamics and thermal properties of C-type aluminium tris-dihydrogen phosphate
DFT-guided analysis of Al(H2PO4)3 polymorphs identified the most stable phase, enabling its synthesis, structural refinement, and studies of ion conductivity and thermal stability.
Dalton Trans., 2025,54, 16727-16736
https://doi.org/10.1039/D5DT02141C
Sodium phosphaethynolate as P-source for the synthesis of molecular rhodium phosphides: an exploratory study
Molecular rhodium phosphides containing a Rh2P2 and unprecedented Rh4P4 core could be generated from Na[OCP] as phosphor transfer reagent and unsaturated rhodium(I) precursors.
Dalton Trans., 2025,54, 16718-16726
https://doi.org/10.1039/D5DT02274F
Synthesising a series of promising ultraviolet nonlinear optical materials with the aid of the flexibility of isolated [B5O10] groups
Eight new compounds were synthesized. The series of compounds achieve a balance between the critical parameters.
Dalton Trans., 2025,54, 16356-16362
https://doi.org/10.1039/D5DT01944C
A bimetallic Ru(II)–Ru(II) complex as an effective non-small cell lung cancer photosensitizer with potential ferroptosis photoinduction
Three bimetallic complexes were synthesized and characterized. Ru–Ru showed a high ROS generation rate, and great anticancer activity light exposure. Ru–Ru can induce photooxidation of NADH and GSH, and induce lipid peroxide accumulation.
Dalton Trans., 2025,54, 16372-16379
https://doi.org/10.1039/D5DT01430A
Electronic effects in early transition metal catalyzed olefin polymerization: challenges in featurization and descriptor strengths and weaknesses
Understanding electronic descriptor strengths and weaknesses can indicate applicability domains in machine learning approaches and foreshadow model limitations.
Dalton Trans., 2025,54, 16380-16392
https://doi.org/10.1039/D5DT02170G
Design of a 1532 nm-driven red upconverter with high color purity for optical thermometry and anti-counterfeiting applications
1532 nm-driven red UC emission with high color purity is realized in CaSc2O4:Er3+/Ho3+ for optical thermometry in deep tissues.
Dalton Trans., 2025,54, 16363-16371
https://doi.org/10.1039/D5DT01973G
RCuMg2 compounds (R = Dy–Tm, Lu): crystal structure, chemical bonding and magnetic properties
A combined study on the five {Dy, Ho, Er, Tm, Lu}CuMg2 new compounds was conducted following three main lines: crystal structure, chemical bonding and magnetic properties.
Dalton Trans., 2025,54, 16014-16027
https://doi.org/10.1039/D5DT01632K
Photophysical studies on meta- and para-carboranes containing 1-naphthyl groups
The absorption and emission spectra of C-naphthyl-para-carborane in solutions are successfully reproduced by vibronic TD-DFT calculations. Broad excimer emissions are observed in the solid states for the four new C-naphthylcarboranes.
Dalton Trans., 2025,54, 16037-16048
https://doi.org/10.1039/D5DT02179K
Sr-doped LaTiO2N photocatalyst for hydrogen evolution reaction synthesized from perovskite-type La–Ti oxide nanoparticles
Crystallization of perovskite-type La–Ti oxide, synthesised by flame spray pyrolysis, enhanced the hydrogen evolution activity of LaTiO2N obtained through nitridation.
Dalton Trans., 2025,54, 16028-16036
https://doi.org/10.1039/D5DT01621E
A digermylene (LGeI–GeIL) on an N-heterocyclic carbene–fluorenyl hybrid ligand (L) and its oxidation by TEMPO and Ph2E2 (E = S, Se)
A hybrid N-heterocyclic carbene (NHC)–fluorenyl ligand (L)-supported digermylene is made and its reactivity is explored towards one-electron oxidation.
Dalton Trans., 2025,54, 16006-16013
https://doi.org/10.1039/D5DT02074C
Nanoporous CoSe2 polyhedra imbedded graphene as a high-performance sodium-ion battery anode material
Nanoporous CoSe2 polyhedra embedded in graphene as a high-performance anode material for sodium-ion batteries.
Dalton Trans., 2025,54, 15998-16005
https://doi.org/10.1039/D5DT01923K
Mono- and dinuclear β-oxo-δ-diiminate (BODDI) based catalysts for the ring-opening polymerization of L-lactide
One ligand, many possibilities! Altering the metal, the number of metal atoms as well as the second ligand strongly affects the catalytic activity of the related β-oxo-δ-diiminate complexes in the ring-opening polymerization of L-lactide.
Dalton Trans., 2025,54, 15780-15794
https://doi.org/10.1039/D5DT01934F
Wide variability in the stability of Pd6Lx-type coordination cages
The stability of 8 hexanuclear Pd-based cages was explored. Thermodynamic and kinetic stabilities vary by nearly two and over four orders of magnitude, respectively, and are mainly governed by the donor group of the ligand, rather than its denticity.
Dalton Trans., 2025,54, 15773-15779
https://doi.org/10.1039/D5DT02223A
Palladium(II) anticancer agents: the intricate case of the Pd–spermine complex
The synthesis of the palladium(II)–spermine complex depends on pH and temperature, which govern the formation of distinct stereoisomers. This work reports the first evaluation of a defined Pd2Spm form for its cytostatic potential.
Dalton Trans., 2025,54, 15754-15764
https://doi.org/10.1039/D5DT01835H
Bimetallic platinum(II) complexes with bridging di-NHC and N^C^C ligands: synthesis and photophysical properties
Bimetallic Pt(II) complexes bearing a terdentate N^C^C ligand and di-NHC bridges are presented. A rich stereoisomeric behavior and excellent phosphorescent properties are demonstrated, both affected by the length of the bridging ligand.
Dalton Trans., 2025,54, 15745-15753
https://doi.org/10.1039/D5DT01761K
Enhancement in the performance of Nb14W3O44 high power anodes through P doping in the tetrahedral sites
P doping in niobium-based oxide anodes can deliver promising candidates for high-power lithium-ion batteries providing high capacities, robust performance at high current densities, and long-term cycling stability.
Dalton Trans., 2025,54, 15765-15772
https://doi.org/10.1039/D5DT02060C
Two sites, two stories: sequence-driven divergence in Cu(II) and Zn(II) binding to CusF
Copper homeostasis is a fine balance for bacteria: essential for respiration, yet toxic in excess.
Dalton Trans., 2025,54, 15441-15454
https://doi.org/10.1039/D5DT01770J
Inkless rewritable paper enabled by a scalable photochromic membrane
Rewritable paper is demonstrated based on the oxidation-reduction process between W6+ and W5+ of photochromic membrane under UV irradiation/heating treatment. The proof-of-concept for encryption algorithm for the coding technique is disclosed herein.
Dalton Trans., 2025,54, 15461-15467
https://doi.org/10.1039/D5DT01957E
About this collection
This collection represents the top 10% of research published in Dalton Transactions 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.