Themed collection 2018 Frontier and Perspective articles
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Future potential of osmium complexes as anticancer drug candidates, photosensitizers and organelle-targeted probes
Here we summarize recent progress in the design and application of innovative osmium compounds as anticancer agents with diverse modes of action, as organelle-targeted imaging probes and photosensitizers for photodynamic therapy.
Dalton Trans., 2018,47, 14841-14854
https://doi.org/10.1039/C8DT03432J
The synergistic effect of layered double hydroxides with other flame retardant additives for polymer nanocomposites: a critical review
The current synergistic effect and mechanism between LDHs and other flame retardant additives for polymers are summarized.
Dalton Trans., 2018,47, 14827-14840
https://doi.org/10.1039/C8DT02949K
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Why nature chose the Mn4CaO5 cluster as water-splitting catalyst in photosystem II: a new hypothesis for the mechanism of O–O bond formation
In this new hypothesis, we propose a complete catalytic cycle involving a charge-rearrangement-induced MnVII–dioxo species on the dangling Mn4 during the S3 → S4 transition. The O–O bond is formed within this MnVII–dioxo site.
Dalton Trans., 2018,47, 14381-14387
https://doi.org/10.1039/C8DT01931B
Molecular rectifiers based on five-coordinate iron(III)-containing surfactants
The state-of-the-art of metallorganic-based molecular rectification is reviewed with an emphasis on asymmetric five-coordinate FeIII-containing surfactants in electrode|LB film|electrode assemblies.
Dalton Trans., 2018,47, 14153-14168
https://doi.org/10.1039/C8DT02891E
Gold nanocatalysts supported on carbon for electrocatalytic oxidation of organic molecules including guanines in DNA
Recent accomplishments in the syntheses of Au nanoparticles and nanocluster supported on carbon materials and applications to electroxidation are reviewed.
Dalton Trans., 2018,47, 14139-14152
https://doi.org/10.1039/C8DT01966E
Metal bis(acetylide) complex molecular wires: concepts and design strategies
This Perspective highlights relationships between chemical features of metal bis(acetylide) complexes and their electrical response in a molecular junction.
Dalton Trans., 2018,47, 14125-14138
https://doi.org/10.1039/C8DT02103A
Teaching from the primary inorganic literature: lessons from Richard Andersen
Teaching inorganic chemistry using the primary literature motivates students to learn deeply and to engage with the important discoveries of the field.
Dalton Trans., 2018,47, 13755-13760
https://doi.org/10.1039/C8DT02669F
Current advances in the catalytic conversion of carbon dioxide by molecular catalysts: an update
Recent advances (2015–) in the catalytic conversion of CO2 by metal-based and metal-free systems are discussed.
Dalton Trans., 2018,47, 13281-13313
https://doi.org/10.1039/C8DT02346H
Probing magnetic interactions in metal–organic frameworks and coordination polymers microscopically
This perspective paper highlights the insights obtained through experimental and computational probes of magnetic metal–organic frameworks at the atomic scale.
Dalton Trans., 2018,47, 13257-13280
https://doi.org/10.1039/C8DT02411A
Host–guest luminescent materials based on highly emissive species loaded into versatile sol–gel hosts
By mostly focusing on the findings of our group, this concise review provides insights into the development of promising new host–guest optical materials based on sol–gel assemblies of versatile hosts and highly luminescent guests.
Dalton Trans., 2018,47, 12813-12826
https://doi.org/10.1039/C8DT02086H
s-Block metal complexes of PC(H)P-bridged chalcogen-centred methanides: comparisons with isoelectronic PNP-bridged monoanions
This Perspective compares the chemistries of s-block metal complexes of isoelectronic PC(H)P- and PNP-bridged, chalcogen-centred monoanions with a focus on the unique behavior of the C(H)-bridged systems.
Dalton Trans., 2018,47, 12493-12505
https://doi.org/10.1039/C7DT04791F
Transformative 3d–4f coordination cluster carriers
The transformative character of the reported 3d–4f Coordination Clusters (CCs) in catalytic reactions is summarised, demonstrating the potential of this emerging field.
Dalton Trans., 2018,47, 12011-12034
https://doi.org/10.1039/C8DT02362J
Plant extracts as green reductants for the synthesis of silver nanoparticles: lessons from chemical synthesis
From conventional synthesis to green transformations: a brief literature overview and insight for the synthesis of Ag nanoparticles.
Dalton Trans., 2018,47, 11988-12010
https://doi.org/10.1039/C8DT01152D
Development of catalytic nitrogen fixation using transition metal–dinitrogen complexes under mild reaction conditions
This paper describes our recent progress in catalytic nitrogen fixation using transition metal–dinitrogen complexes as catalysts.
Dalton Trans., 2018,47, 11290-11297
https://doi.org/10.1039/C8DT02572J
Mechanisms of the H2- and transfer hydrogenation of polar bonds catalyzed by iron group hydrides
This Perspective describes the mechanism-based development of iron-group catalysts for the asymmetric hydrogenation of ketones and imines.
Dalton Trans., 2018,47, 10809-10826
https://doi.org/10.1039/C8DT01804A
Highlights on π-systems based on six-membered phosphorus heterocycles
Herein, we highlight relevant π-systems based on six-membered phosphorus heterocycles as well as their potential in bio- and optoelectronic applications.
Dalton Trans., 2018,47, 10344-10359
https://doi.org/10.1039/C8DT01485J
Why develop photoactivated chemotherapy?
Some inorganic compounds kill cancer cells upon light irradiation without a need for dioxygen to be present. To which clinical needs could these compounds respond?
Dalton Trans., 2018,47, 10330-10343
https://doi.org/10.1039/C8DT01585F
Composed in the f-block: solution structure and function of kinetically inert lanthanide(III) complexes
An induction to the wonders of lanthanides, and a call for standardised methods for characterisation of lanthanide complexes in solution.
Dalton Trans., 2018,47, 10360-10376
https://doi.org/10.1039/C8DT01501E
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Dinitrogen photoactivation: status quo and future perspectives
New perspectives for dinitrogen activation: an overview of photochemical pathways to cleave the strong N–N bond.
Dalton Trans., 2018,47, 10320-10329
https://doi.org/10.1039/C8DT00418H
Anticancer activity of complexes of the third row transition metals, rhenium, osmium, and iridium
A summary of recent developments on the anticancer activity of complexes of rhenium, osmium, and iridium is described.
Dalton Trans., 2018,47, 9934-9974
https://doi.org/10.1039/C8DT01858H
Bispidines for radiopharmaceuticals
Radiometal based radiopharmaceuticals for imaging and therapy require selective ligands (bifunctional chelators, BFCs) that form metal complexes, which are inert against trans-chelation under physiological conditions, linked to a biological vector, directing them to the targeted tissue. Bispidine ligands with a very rigid backbone and widely variable donor sets are reviewed as an ideal class of BFCs, and recent applications are discussed.
Dalton Trans., 2018,47, 9202-9220
https://doi.org/10.1039/C8DT01108G
Heterometallic 3d–4f single molecule magnets containing diamagnetic metal ions
This perspective deals with the synthesis and study of SMM properties of heterometallic 3d–4f complexes containing diamagnetic 3d metal ions.
Dalton Trans., 2018,47, 8841-8864
https://doi.org/10.1039/C8DT01883A
Molecular-based upconversion in homo/heterogeneous liquids and in micro/nanostructured solid materials
A step-by-step investigation to move TTA-UC from homogeneous solutions to nanostructured solid materials for new technological perspectives.
Dalton Trans., 2018,47, 8557-8565
https://doi.org/10.1039/C8DT00020D
Using lead chalcogenide nanocrystals as spin mixers: a perspective on near-infrared-to-visible upconversion
This perspective highlights recent advances in the field of PbS NC-sensitized near-infrared-to-visible upconversion based on triplet–triplet annihilation in rubrene.
Dalton Trans., 2018,47, 8509-8516
https://doi.org/10.1039/C8DT00419F
Current progress in the controlled synthesis and biomedical applications of ultrasmall (<10 nm) NaREF4 nanoparticles
This review primarily introduces new progress in preparation strategies of ultrasmall (<10 nm) NaREF4 upconversion nanoparticles, and their use in imaging and drug delivery.
Dalton Trans., 2018,47, 8538-8556
https://doi.org/10.1039/C8DT00258D
Near infrared harvesting dye-sensitized solar cells enabled by rare-earth upconversion materials
Dye-sensitized solar cells (DSSCs) have been deemed as promising alternatives to silicon solar cells for the conversion of clean sunlight energy into electricity.
Dalton Trans., 2018,47, 8526-8537
https://doi.org/10.1039/C7DT04461E
Prospects for efficient solar energy upconversion using metalloporphyrins as dual absorber-upconverters
Can metalloporphyrins be used in a dual absorber-upconverter capacity to improve photovoltaic efficiency?
Dalton Trans., 2018,47, 8517-8525
https://doi.org/10.1039/C7DT04343K
Conducting single-molecule magnet materials
Multifunctional molecular materials exhibiting electrical conductivity and single-molecule magnet (SMM) behaviour are particularly attractive for electronic devices and related applications owing to the interaction between electronic conduction and magnetization of unimolecular units.
Dalton Trans., 2018,47, 7616-7627
https://doi.org/10.1039/C8DT01015C
Pre-programmed self-assembly of polynuclear clusters
This perspective reviews our recent efforts towards the self-assembly of polynuclear clusters with ditopic and tritopic multidentate ligands HL1 (2-phenyl-4,5-bis{6-(3,5-dimethylpyrazol-1-yl)pyrid-2-yl}-1H-imidazole) and H2L2 (2,6-bis-[5-(2-pyridinyl)-1H-pyrazole-3-yl]pyridine), both of which are planar and rigid molecules.
Dalton Trans., 2018,47, 7384-7394
https://doi.org/10.1039/C8DT00822A
The side effects of platinum-based chemotherapy drugs: a review for chemists
The platinum chemotherapy drugs cisplatin, carboplatin, and oxaliplatin are known to cause seven different types of side effects in patients.
Dalton Trans., 2018,47, 6645-6653
https://doi.org/10.1039/C8DT00838H
The role and fate of capping ligands in colloidally prepared metal nanoparticle catalysts
In this Perspective article, we highlight emerging opportunities for the rational design of catalysts upon the choice, exchange, partial removal or pyrolysis of ligands.
Dalton Trans., 2018,47, 5889-5915
https://doi.org/10.1039/C7DT04728B
Shining a light on the photo-sensitisation of organic–inorganic hybrid polyoxometalates
Approaches to the visible light photo-sensitisation of organic–inorganic hybrid polyoxometalates are presented and future trends discussed.
Dalton Trans., 2018,47, 5120-5136
https://doi.org/10.1039/C8DT00400E
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Synthesis of platinum, palladium and rhodium complexes of α-aminophosphine ligands
This perspective summarizes the utilization of α-aminophosphines as monodentate and bidentate ligands in the synthesis of platinum, palladium and rhodium complexes.
Dalton Trans., 2018,47, 4755-4778
https://doi.org/10.1039/C8DT00178B
Comprehensive reaction mechanisms at and near the Ni–Fe active sites of [NiFe] hydrogenases
We overview recent advances in the mechanisms at and near the Ni–Fe sites of [NiFe] hydrogenases for activation–inactivation, catalytic reaction, proton transfer, and O2-tolerance.
Dalton Trans., 2018,47, 4408-4423
https://doi.org/10.1039/C7DT04910B
Chirality in metal-based anticancer agents
Chiral metal-based drugs are currently an interesting and rapidly growing field in anticancer research. Here the different chiral metal-based anticancer agents and the extent to which the chiral resolution affects their biological properties are discussed. This review will aid the design of new potent and efficient chiral metal-based anticancer drugs that exploit the unique properties combined with their potential selectivity toward targeted chiral biomolecules.
Dalton Trans., 2018,47, 4017-4026
https://doi.org/10.1039/C8DT00089A
Hydrolysis of organometallic and metal–amide precursors: synthesis routes to oxo-bridged heterometallic complexes, metal-oxo clusters and metal oxide nanoparticles
Organometallic and metal amide reagents react with –OH groups to generate metal–oxygen connectivity, yielding metal-oxo heterobimetallics, clusters and nanoparticles.
Dalton Trans., 2018,47, 3638-3662
https://doi.org/10.1039/C8DT00017D
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Unravelling the mechanistic details of metal binding to mammalian metallothioneins from stoichiometric, kinetic, and binding affinity data
Equilibrium binding constants are now readily accessible for metalation of metallothioneins.
Dalton Trans., 2018,47, 3613-3637
https://doi.org/10.1039/C7DT03319B
Mechanochemical methods for the preparation of intercalation compounds, from intercalation to the formation of layered double hydroxides
Mechanochemical methods (solid–solid reactions under ambient conditions or solvent free synthesis) are useful for the preparation of intercalation compounds.
Dalton Trans., 2018,47, 2896-2916
https://doi.org/10.1039/C7DT03736H
Carrier-doped aromatic hydrocarbons: a new platform in condensed matter chemistry and physics
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.
Dalton Trans., 2018,47, 2881-2895
https://doi.org/10.1039/C7DT03745G
Alkaline-earth metal phenylphosphonates and their intercalation chemistry
Alcohol and amine intercalates with hosts based on alkaline-earth metal phenylphosphonates are reviewed.
Dalton Trans., 2018,47, 2867-2880
https://doi.org/10.1039/C7DT03728G
DFT calculations for structural prediction and applications of intercalated lamellar compounds
This review lists some relevant types of intercalated lamellar materials and applications of DFT calculations in these materials.
Dalton Trans., 2018,47, 2852-2866
https://doi.org/10.1039/C7DT03730A
Nanoarchitectonics in dielectric/ferroelectric layered perovskites: from bulk 3D systems to 2D nanosheets
Dion–Jacobson perovskites and their exfoliated nanosheets provide a unique platform for designing new dielectric/ferroelectric materials.
Dalton Trans., 2018,47, 2841-2851
https://doi.org/10.1039/C7DT03719H
Synthesis, functionalization, and applications of metal–organic frameworks in biomedicine
Metal–organic frameworks (MOFs), also known as coordination polymers, have attracted extensive research interest in the past few decades due to their unique physical structures and potentially vast applications.
Dalton Trans., 2018,47, 2114-2133
https://doi.org/10.1039/C7DT04116K
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Biologically inspired oxidation catalysis using metallopeptides
Metalloenzymes can catalyze the oxidation of hydrocarbons with high efficiency and selectivity. For this reason, they are taken as inspiration for the development of new catalyst. A promising strategy is the combination of metal coordination complexes and peptide chains. The use of metallopeptides in oxidation reactions is discussed.
Dalton Trans., 2018,47, 1755-1763
https://doi.org/10.1039/C7DT03657D
Systematic charge distribution changes in Bi- and Pb-3d transition metal perovskites
Charge distribution changes in Bi- and Pb-3d transition metal perovskite type oxides were examined. The change in the depth of the d level of the transition metal causes the intermetallic charge transfer.
Dalton Trans., 2018,47, 1371-1377
https://doi.org/10.1039/C7DT03244G
Photoswitchable nonlinear optical properties of metal complexes
Incorporating photosensitive molecules into the organic/inorganic hybrid materials can contribute to forming photoresponsive systems.
Dalton Trans., 2018,47, 13-22
https://doi.org/10.1039/C7DT03989A
Boron carbonyl complexes analogous to hydrocarbons
The isolobal relationships of BCO/CH and CO/H− are applied to bridge boron carbonyls and the well-known hydrocarbon molecules.
Dalton Trans., 2018,47, 17192-17197
https://doi.org/10.1039/C8DT03236J
Recent advances in the development of luminescent lanthanide-based supramolecular polymers and soft materials
Here we discuss the emerging field of luminescent lanthanide-based soft materials with our focus on the different approaches used for their design and synthesis as well as manipulations of their functional properties.
Dalton Trans., 2018,47, 16377-16387
https://doi.org/10.1039/C8DT03768J
Photoexcited state chemistry of metal–oxygen complexes
This Frontier article reviews recent advances on the excited state reactivity of earth-abundant metal–oxygen complexes.
Dalton Trans., 2018,47, 16019-16026
https://doi.org/10.1039/C8DT03604G
Ferric phosphide carbon nanocomposites emerging as highly active electrocatalysts for the hydrogen evolution reaction
This Frontier article highlights the recent development and advances in designing ferric phosphide (FeP) based composite materials for the HER.
Dalton Trans., 2018,47, 16011-16018
https://doi.org/10.1039/C8DT03408G
Tethered sensitizer–catalyst noble-metal-free molecular devices for solar-driven hydrogen generation
Recent advances in the all-abundant-element molecular devices for solar-driven H2 generation via intramolecular processes are overviewed including their assembly approaches, and structure–catalytic activity relationships.
Dalton Trans., 2018,47, 15633-15645
https://doi.org/10.1039/C8DT02831A
Iridium(III) complexes as reaction based chemosensors for medical diagnostics
This frontier article introduces recent developments and applications of iridium(III) complexes as luminescent probes for ions and biomolecules.
Dalton Trans., 2018,47, 15278-15282
https://doi.org/10.1039/C8DT03492C
Oriented external electric fields as mimics for probing the role of metal ions and ligands in the thermal gas-phase activation of methane
Unusual, if not unprecedented, effects of transition-metal ions and ligands are discovered when simple metal oxides or carbides activate methane in the gas phase in manners reminiscent of oriented external electric fields.
Dalton Trans., 2018,47, 15271-15277
https://doi.org/10.1039/C8DT03048K
Recent developments in Zintl cluster chemistry
Most recent developments in Zintl cluster chemistry are highlighted, including advances in understanding of their formation and their use as sources for nanostructured materials.
Dalton Trans., 2018,47, 14861-14869
https://doi.org/10.1039/C8DT03174F
Rhodium at the chemistry–biology interface
While rhodium has no known natural biological function, the element's unique structural and reactivity properties make for unique opportunities in biological systems.
Dalton Trans., 2018,47, 14855-14860
https://doi.org/10.1039/C8DT03032D
Multiheme proteins: effect of heme–heme interactions
This Frontier illustrates a brief personal account on the effect of heme–heme interactions in dihemes which thereby discloses some of the evolutionary design principles involved in multiheme proteins for their diverse structures and functions.
Dalton Trans., 2018,47, 14388-14401
https://doi.org/10.1039/C8DT00518D
Recent progress and developments of iridium-based compounds as probes for environmental analytes
Metal complexes based on iridium metal centers have attracted attention as probes due to their tunable biological and chemical characteristics.
Dalton Trans., 2018,47, 13314-13317
https://doi.org/10.1039/C8DT01167B
Group 15 biradicals: synthesis and reactivity of cyclobutane-1,3-diyl and cyclopentane-1,3-diyl analogues
Synthesis, structure and reactivity of cyclobutane-1,3-diyl and cyclopentane-1,3-diyl analogues are discussed along with their application as molecular switches or reagents to activate or trap small molecules with single or multiple bonds.
Dalton Trans., 2018,47, 12827-12837
https://doi.org/10.1039/C8DT03038C
Elemental doping for optimizing photocatalysis in semiconductors
Among the various strategies for achieving high solar energy utilization, elemental doping has been extensively explored owing to its advantages in regulating light absorption, band positions and charge carrier processes of photocatalysts.
Dalton Trans., 2018,47, 12642-12646
https://doi.org/10.1039/C8DT02613K
Surface and interface design for photocatalytic water splitting
Surface and interface structures are considered as the critical parameters which can be engineered to improve the performance of catalysts. This Frontier article highlights our recent advances in surface and interface design toward photocatalytic water splitting.
Dalton Trans., 2018,47, 12035-12040
https://doi.org/10.1039/C8DT02885K
Carbodiimides as energy materials: which directions for a reasonable future?
Transition-metal carbodiimides have emerged as energy materials, both as anodes in rechargeable batteries and as catalysts in photochemical water oxidation.
Dalton Trans., 2018,47, 10827-10832
https://doi.org/10.1039/C8DT01846D
Crystalline protein scaffolds as a defined environment for the synthesis of bioinorganic materials
We discuss synthetic strategies and applications of highly ordered bioinorganic materials based on crystalline protein scaffolds.
Dalton Trans., 2018,47, 10382-10387
https://doi.org/10.1039/C8DT01192C
Gold(III) π complexes
Recent achievements in the preparation, characterization and reactivity of gold(III) complexes of alkenes, alkynes and arenes are presented and discussed.
Dalton Trans., 2018,47, 10388-10393
https://doi.org/10.1039/C8DT01457D
Push and pull: the potential role of boron in N2 activation
Recent developments in main group chemistry towards the activation and conversion of N2 have lead to the revelation that boron can greatly affect these processes.
Dalton Trans., 2018,47, 10377-10381
https://doi.org/10.1039/C8DT01168K
Upconversion in photodynamic therapy: plumbing the depths
Upconversion photodynamic therapy uses sequential multiphoton absorption by transition metal nanoparticles (NaYF4/Yb3+/Er3+) to allow FRET excitation of traditional visible light-absorbing photosensitizers by deeply penetrating near infrared light (810 nm or 980 nm).
Dalton Trans., 2018,47, 8571-8580
https://doi.org/10.1039/C8DT00087E
Bringing upconversion down to the molecular scale
After bulk solids and nanoparticles, examples of upconversion are now emerging at the discrete molecular scale in solution.
Dalton Trans., 2018,47, 8566-8570
https://doi.org/10.1039/C7DT04737A
Recent advances in the field of light-driven water oxidation catalyzed by transition-metal substituted polyoxometalates
A brief review on recent developments in the field of TM-substituted POM water oxidation catalysts was systematically presented, providing researchers valuable guidance for further discovery and improvements in efficient and robust TSPWOCs in future.
Dalton Trans., 2018,47, 8180-8188
https://doi.org/10.1039/C8DT01291A
Understanding small-molecule electro-oxidation on palladium based compounds – a feature on experimental and theoretical approaches
Electrochemical oxidation of small molecules such as ethanol, methanol and formic acid on Pd based compounds has a great impact on green energy production in fuel cells.
Dalton Trans., 2018,47, 7864-7869
https://doi.org/10.1039/C8DT00443A
Phosphorescent iridium(III) complexes: a versatile tool for biosensing and photodynamic therapy
This Frontier article highlights the utilization of phosphorescent iridium(III) complexes for biosensing and photodynamic therapy.
Dalton Trans., 2018,47, 7628-7633
https://doi.org/10.1039/C8DT00887F
Stable unsaturated silicon clusters (siliconoids)
The emerging field of siliconoid clusters is reviewed and a parameter ϕ introduced that distinguishes hemispheroidal and regular coordination of vertices.
Dalton Trans., 2018,47, 7104-7112
https://doi.org/10.1039/C8DT01009A
About this collection
This web collection contains the Frontier and Perspective articles that Dalton Transactions has published in 2018.