Themed collection Dalton Transactions HOT Articles
Challenges and developments for the blue perovskite nanocrystal light-emitting diodes
The above figure is the thermal diagram of blue-light PeLEDs. From this diagram, it can be seen that the main research direction of blue-light LED is still efficiency and stability.
Strategies to mitigate the shuttle effect in room temperature sodium–sulfur batteries: improving cathode materials
Challenges and insights into high-performance sulfur electrodes for optimizing RT-Na/S batteries are discussed.
Boron phosphide as an efficient metal-free catalyst for nitrate electroreduction to ammonia
BP is demonstrated as an efficient metal-free catalyst for electrochemical NO3− reduction to NH3 (NO3RR), which is attributed to the active B sites to effectively promote the NO3RR and prohibit the hydrogen evolution.
LiCs3AlB7O14: achieving enhanced optical anisotropy via [AlO4] tetrahedron introduction to rearrange the anionic framework
Herein, by introducing [AlO4] tetrahedra, a new aluminoborate was discovered. This work confirms that the introduction of [AlO4] tetrahedra can lead to the rearrangement of anionic framework of borate system and thereby enhance the birefringence.
Platinum(II) diimine complexes containing phenylpyridine ligands decorated with anionic closo-monocarborane clusters [CB11H12]−
We report three Pt(II) diimine complexes containing ancillary ligands of phenylpyridine furnished with anionic closo-monocarborane clusters [CB11H12]−.
Synthesis, characterization, and in vivo evaluation of the anticancer activity of a series of 5- and 6-(halomethyl)-2,2′-bipyridine rhenium tricarbonyl complexes
The presence and position of a reactive halomethyl substituent on the diimine ligand system of fac-[Re(CO)3]+ complexes influences the anticancer activity of the compounds in zebrafish xenografts.
CoSe2 nanoparticles anchored on dual 1D carbon nanotubes/N-doped carbon nanofibers as high-performance anodes for sodium-ion storage
Dual 1D CoSe2@CNTs/N-CNFs obtained by electrospinning and subsequent two-step heating process exhibit superior sodium-ion storage performance when used as the anode of an SIB.
Halogen bonds regulating structures and optical properties of hybrid iodobismuthate perovskites
Halogen bonds (XB) induce successive amorphous to single-crystalline transformations in iodobismuthate perovskites, and improve the water-resistance. DFT computations show the Bi–I bond nature determines the semiconductivity of the materials.
Two-dimensional polymer nanosheets as a high-performance organic anode for sodium-ion batteries
Based on the conjugated system, the sodium 2-amino-4-thiazol-derived polymer (PATANa) exhibits rapid electron/ion transfer kinetics and limited solubility in the electrolyte for significantly enhanced cycling stability and rate capability of SIBs.
Assembling CeO2 nanoparticles on ZIF-8 via the hydrothermal method to promote the CO2 photoreduction performance
The ZIF-8@CeO2 composite was prepared by the hydrothermal method. Compared to pristine ZIF-8 or CeO2 nanoparticles, the ZIF-8@CeO2 composite shows significantly better efficiency in the reduction of CO2 into CO and CH4 under light irradiation.
In vitro and in vivo antitumor activity of novel half-sandwich ruthenium complexes containing quinoline derivative ligands
A series of half-sandwich ruthenium complexes containing quinoline derivative ligands was synthesized, which had excellent antitumor toxicity toward a variety of cell lines and can localize lysosomes.
Synthesis and anticancer mechanisms of zinc(II)-8-hydroxyquinoline complexes with 1,10-phenanthroline ancillary ligands
DQ1–DQ20 exhibit selective cytotoxicity to SK-OV-3/DDP. They inhibit cell growth via mitophagy pathways. Importantly, DQ6 displays high in vivo antitumor activity.
Pore-forming mechanisms and sodium-ion-storage performances in a porous Na3V2(PO4)3/C composite cathode
The formation mechanisms of different pore structures of NVP and the origin of the electrochemical properties of NVP are revealed.
Carbon nanotube-embedded hollow carbon nanofibers as efficient hosts for advanced lithium–sulfur batteries
Hollow carbon nanofibers filled with CNT (HCNF/CNT) were prepared by coaxial electrospinning and simple heat treatment. The HCNF/CNT served as an effective sulfur host material for lithium–sulfur batteries that show excellent electrochemical performance.
Conductive Ti3C2Tx networks to optimize Na3V2O2(PO4)2F cathodes for improved rate capability and low-temperature operation
With the fast electron/ion transfer, our Na3V2O2(PO4)2F/Ti3C2Tx cathode boosts the high-rate capability and exhibits the capacity retention up to 74.8% over the temperature range from -20 to 20 °C.
Improving the mesomorphism in bispyrazolate Pd(II) metallomesogens: an efficient platform for ionic conduction
Molecular asymmetry has allowed inducing highly-stable columnar mesophases near to room temperature that can be used for water-free proton conduction.
Conductance of o-carborane-based wires with different substitution patterns
By modifying the bridge group type and the anchor group configuration, conductance was considerably altered as a consequence of the addition of an efficient spatial transport channel.
Metal ion-decorated hexasilaprismane and its derivative as a molecular container for the separation of CO2 from flue gas molecules: a computational study
A molecular container with multiple metal-ion-decorated derivatives of the HSP molecule (HPPS) for the separation of CO2 from flue gas molecules.
Nanoscale control and tri-element co-doping of 4.6 V LiCoO2 with excellent rate capability and long-cycling stability for lithium-ion batteries
Nanosizing and tri-element co-doping synergistically enhance the electrochemical performance of LiCoO2 at high voltage.
Synthesis, crystal structures and semiconducting properties of new hexacyanidometallates
New hexacyanidometallates with the formula A2[MFe(CN)6]·xH2O (A = Na, K; M = Mg, Ca, Sr and Ba) were determined to adopt unexpectedly low-symmetric structures which has been demonstrated as n-type semiconductors.
From M6 to M12, M19 and M38 molecular alloy Pt–Ni carbonyl nanoclusters: selective growth of atomically precise heterometallic nanoclusters
Molecular alloy Pt–Ni nanoclusters of increasing sizes were synthesized, their structures determined by X-ray crystallography, Pt–Ni distribution computationally investigated, and the effect of Pt–Ni replacement electrochemically studied.
Structural insights into latency of the metallopeptidase ulilysin (lysargiNase) and its unexpected inhibition by a sulfonyl–fluoride inhibitor of serine peptidases
The metallopeptidase ulilysin is kept latent by a cysteine-switch mechanism and is unexpectedly inhibited by the serine-peptidase inhibitor, 4-(2-aminoethyl)benzenesulfonyl fluoride.
Ratiometric luminescent sensing of a biomarker for sugar consumption in an aqueous medium using a Cu(II) coordination polymer
[Cu(Hadp)2(Bimb)]n (KA@CP-S3) exhibits promising photocatalytic degradation for dyes and excellent luminescent sensor for hazardous anions, metal ions, antibiotics, sucrose and biomarkers.
An investigation of steric influence on the reactivity of FeV(O)(OH) tautomers in stereospecific C–H hydroxylation
The steric properties of the tetradentate ligand influences the reactivities of the Fe(V)O units in a number of tautomeric Fe(V)(O)(OH) complexes.
Water-soluble copper(II) 5-fluorouracil complexes bearing polypyridyl co-ligands: synthesis, structures and anticancer activity
A copper(II) complex of 5-fluorouracil with 1,10-phenanthroline is selectively cytotoxic against human colorectal carcinoma cells (HCT116).
A ratiometric luminescence sensing platform based on lanthanide-based silica nanoparticles for selective and sensitive detection of Fe3+ and Cu2+ ions
A ratiometric luminescent nanoprobe based on terbium(III)-chelated silica nanoparticles for the detection of Fe3+/Cu2+ with high selectivity and sensitivity.
Copper(II) complex enhanced chemodynamic therapy through GSH depletion and autophagy flow blockade
C2 inhibited autophagy by blocking autophagy flow, thereby closing the self-protection pathway of oxidative stress to enhance CDT. Importantly, C2 exhibited almost the same tumor growth inhibition activity as cisplatin in the T24 xenograft model.
A tris(2-aminoethyl)amine-based zinc complex as a highly water-soluble drug carrier for the anti-COVID-19 drug favipiravir: a joint experimental and theoretical study
A water-soluble drug vehicle for N/O-coordinated favipiravir anion that releases drug favipiravir in acidic media.
3D printing of cellulose/leaf-like zeolitic imidazolate frameworks (CelloZIF-L) for adsorption of carbon dioxide (CO2) and heavy metal ions
Metal–organic frameworks (MOFs) have advanced several technologies.
A semiconductive copper iodobismuthate hybrid: structure, optical properties and photocurrent response
Presented here are the structure, optical properties, photocurrent response and theoretical study of a non-perovskite copper iodobismuthate hybrid, namely, [(Me)2-(DABCO)]2Cu2Bi2I12 (1).
Temperature effects induced by NIR photo-stimulation within Ist and IInd optical biological windows of seed-mediated multi-shell nanoferrites
Different types of ferrite core–shell structures, namely CoFe2O4@CoFe2O4, CoFe2O4@Fe3O4, CoFe2O4@MnFe2O4, and CoFe2O4@MnFe2O4@ZnFe2O4, were prepared by the seed-mediated approach.
Structural insight into the magnesium borohydride – ethylenediamine solid-state Mg-ion electrolyte system
A highly complicated structure of Mg(en)1.2(BH4)2 was solved from single crystal synchrotron X-ray diffraction, the new Mg(en)2(BH4)2 was shown to be its decomposition intermediate. The role of less reactive amorphous Mg(BH4)2 was demonstrated.
Supramolecular chemistry of two new bis(1,2,3-triazolyl)pyridine macrocycles: metal complexation, self-assembly and anion binding
Two new macrocycles containing bis(1,2,3-triazolyl)pyridine groups are reported. One forms nanotubes in the solid state, while the other binds anions and complexes transition metals.
Luminescent MOFs constructed by using butterfly-like AIE ligands
A series of butterfly-like isomers named oxacalixnaphthalenepyrazine (ONP) were conveniently synthesized by a one-step catalyst-free reaction in a facile manner, and they exhibit typical characteristics of aggregation-induced emission (AIE).
Phosphorescent cyclometalated platinum(II) complexes with phenyldiazine N^C ligands
Pt(II) complexes bearing phenyldiazine N^C ligands as well as chloride and azaheterocyclic ancillary ligands were successfully modified, yielding interesting luminophores with a wide range of emission color.
RE-doped (RE = La, Ce and Er) Ni2P porous nanostructures as promising electrocatalysts for hydrogen evolution reaction
It was found that Er-doped Ni2P porous nanostructures displayed excellent HER performance.
Low volume expansion hierarchical porous sulfur-doped Fe2O3@C with high-rate capability for superior lithium storage
Super fine Fe2O3 nanoparticles are confined inside the carbon shell and S-doping enables MOF-derived S0.15–Fe2O3@C nano-spindles to exhibit high-rate capability and low volume.
Near thermal, selective liberation of hydrogen from formic acid catalysed by copper hydride ate complexes
Copper hydride ate complexes can effectively catalyse the selective decomposition of formic acid into carbon dioxide and hydrogen.
Di- and trinuclear sandwich complexes of a cross-conjugated fulvene
We report di- and trinuclear sandwich complexes of cross-π-conjugated fulvenes. The reversible extrusion of a Pd atom from inside to outside the sandwich framework occurs due to the cross-π-conjugation of fulvene.
Synthesis and characterization of single-phase Tb3+/Eu3+ doped metal–organic framework phosphors for warm light WLED applications
A novel single-phase luminescent material, Ln@bio-MOF-1 (Ln: Tb3+ and Eu3+), was synthesized with a facile hydrothermal method.
Spectrum and size controllable synthesis of high-quality gold nanorods using 1,7-dihydroxynaphthalene as a reducing agent
The use of 1,7-dihydroxynaphthalene as a reducing agent is in producing high-quality gold nanorods featuring high monodispersity and shape yields, small diameters of less than 14.3 nm, and tunable plasmon resonance wavelength of up to 1000 nm.
Enhanced hydrogen storage kinetics of MgH2 by the synergistic effect of Mn3O4/ZrO2 nanoparticles
ZrO2 served as an “anchor” to prevent MgH2 particles from rapid growth, and Mn3O4 reacted with Mg to form MgO and Mn. The generated Mn served as a hydrogen “pump” to enhance MgH2 sorption properties during cycling.
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.