Mercouri G. Kanatzidis. Thirty years of contributions to materials and inorganic chemistry
Professor Mercouri G. Kanatzidis celebrates the 30-year anniversary of his independent career as well as his 60th birthday this year; this themed collection marks these exciting occasions.
Low temperature thermoelectric and magnetoresistive properties of Tl2Cu3FeQ4 (Q = S, Se, Te)
Layered Tl2Cu3FeSe4 and Tl2Cu3FeTe4 possess low thermal conductivity, of which the selenide offers promising thermoelectric features and the presence of Fe in the weakly connected Cu square-net substructure results in intriguing ferromagnetic and magnetoresistance features.
Tuning the optical, electronic and thermal properties of Cu3NbS4−xSex through chemical substitution
Partial sulfur to selenium substitution in Cu3NbS4−xSex enables fully tunable green band gaps with marginal change in the lattice parameter.
Li2CdGeSe4 and Li2CdSnSe4: biaxial nonlinear optical materials with strong infrared second-order responses and laser-induced damage thresholds influenced by photoluminescence
Two new biaxial, diamond-like semiconductors, Li2CdGeSe4 and Li2CdSnSe4, were prepared via high-temperature, solid-state synthesis.
CdS aerogels as efficient photocatalysts for degradation of organic dyes under visible light irradiation
CdS aerogel photocatalysts enable a high-interfacial surface area for analyte reactivity and visible light activation.
Synthesis, crystal structure and thermoelectric properties of a new metal telluride Ba3Ag3InTe6
A new p-type semiconductor Ba3Ag3InTe6 with transport properties dominated by the layer [Ag3Te4]5− distributed in the valence band.
Size effect of the active sites in UiO-66-supported nickel catalysts synthesized via atomic layer deposition for ethylene hydrogenation
Ni(II) ions have been deposited on the Zr6 nodes of a metal–organic framework (MOF), UiO-66, via an ALD-like process (ALD = atomic layer deposition).
A synergistic effect of metal iodide doping on the thermoelectric properties of Bi2Te3
The role of metal iodides on the thermoelectric properties of Bi2Te3 is investigated by conducting comparative studies of CuI, CsI and KI-doped Bi2Te3 analogs. The CuI dopant is superior to CsI and KI dopants in showing a larger power factor and lower lattice thermal conductivity.
Directed assembly of a high surface area 2D metal–organic framework displaying the augmented “kagomé dual” (kgd-a) layered topology with high H2 and CO2 uptake
A high surface area layered MOF with kgd-a topology, based on a nanosized and highly aromatic hexagonal linker, shows high H2 and CO2 uptake.
Effect of precursor components on the photovoltaic performance of MA1−xFAxPbI3−yBry films prepared via a one-step method
The morphologies of MA0.8FA0.2PbI2.85Br0.15 films prepared from solutions with different precursors are dissimilar and reveal distinct photovoltaic performances.
Synthesis, crystal and electronic structures, and physical properties of a new quaternary phosphide Ba4Mg2+δCu12−δP10 (0 < δ < 2)
A new quaternary phosphide composed of a Cu–Mg–P framework hosting Ba and Mg cations is synthesized and characterized.
Cu2+ sorption from aqueous media by a recyclable Ca2+ framework
A recyclable Ca-MOF that exchanges Ca2+ by Cu2+ almost quantitatively and quickly was investigated via batch ion-exchange experiments and utilized as a stationary phase in an ion-exchange column for Cu2+ removal from aqueous media.
Dynamic structural flexibility of Fe-MOF-5 evidenced by 57Fe Mössbauer spectroscopy
57 Fe Mössbauer spectroscopy reveals unexpected dynamics at the Fe sites in Fe-substituted MOF-5, especially in the presence of nitrogen.
A microporous Mg2+ MOF with cation exchange properties in a single-crystal-to-single-crystal fashion
A microporous Mg2+ MOF shows single-crystal-to-single-crystal exchange of Mg2+ by Cu2+ ions.
Rearrangement of van der Waals stacking and formation of a singlet state at T = 90 K in a cluster magnet
A change of van der Waals stacking occurs spontaneously at 90 K in a cluster magnet.
New cerium cobalt borocarbide synthesized from eutectic metal flux mixture
Cerium cobalt borocarbide grown from Ce/Co eutectic flux has a partially disordered structure containing cobalt squares capped with borocarbide chains.
Exfoliated clay nanosheets as an efficient additive for improving the electrode functionality of graphene-based nanocomposites
A remarkable enhancement of the LIB electrode activity of graphene-based nanocomposites can be achieved via the incorporation of clay nanosheets.
Enhanced visible-light photocatalytic hydrogen production activity of three-dimensional mesoporous p-CuS/n-CdS nanocrystal assemblies
Mesoporous assemblies of p-CuS/n-CdS nanocrystal junctions with high surface areas and uniform pores demonstrate a high performance and stability in photocatalytic hydrogen generation from water using visible light.
Structural stability and thermoelectric properties of cation- and anion-doped Mg2Si0.4Sn0.6
The structural stability of undoped and doped (Sb, Bi, Ca, Zn) Mg2Si0.4Sn0.6 is investigated by high resolution synchrotron PXRD and related to measured physical properties, revealing a stabilizing effect of cation doping.
Structural and thermoelectric properties of n-type isocubanite CuFe2S3
An effective strategy to enhance thermoelectric performance consists of scattering phonons by point defects, such as the ones intrinsic to the n-type isocubanite CuFe2S3.
Application of a mild hydrothermal method to the synthesis of mixed transition-metal(II)/uranium(IV) fluorides
The synthesis and properties of two families of mixed metal U(IV)/M(II) fluorides via a mild hydrothermal method.
Polymorphism of CsGaS2 – structural characterization of a new two-dimensional polymorph and study of the phase-transition kinetics
Anionic layers in CsGaS2 undergo a transition to infinite strands at high temperature and transfer back under pressure.
EuSn2As2: an exfoliatable magnetic layered Zintl–Klemm phase
We synthesize EuSn2As2, the first exfoliatable layered magnetic Zintl–Klemm phase that features van der Waals bonding between neighboring layers.
Crystal structure, electronic structure and physical properties of the new quaternary chalcogenides Tl2NdAg3Se4 and Tl2NdAg3Te4
Two new quaternary chalcogenides are presented, which are bestowed with extraordinarily low thermal conductivity.
Syntheses and properties of selenido mercurates with [HgSe2]2− anions in diverse chemical environments
Four new cesium selenido mercurates, synthesized aminothermally in 1,2-diaminoethane (en), show a diversity of complex crystal structures and a close relationship of the latter with their optical band gap.
Synthetically tuned structural variations in CePdxGe2−x (x = 0.21, 0.32, 0.69) towards diverse physical properties
Three structural variations of CePdxGe2−x with versatile properties were synthesized by varying the Pd : Ge ratio.
Syntheses, structures, and properties of sulfides constructed by SbS4 teeter-totter polyhedra: Ba3La4Ga2Sb2S15 and BaLa3GaSb2S10
Two new pentanary sulfides Ba3La4Ga2Sb2S15 (1) and BaLa3GaSb2S10 (2) have been discovered.
Ultrathin few layer oxychalcogenide BiCuSeO nanosheets
Large scale ultrathin (∼3–4 nm thick and ∼1 μm long) few layered (4–5 layers) BiCuSeO nanosheets were synthesised by a facile soft chemical synthesis. BiCuSeO nanosheets exhibit lower lattice thermal conductivity and higher electrical conductivity than that of their bulk counterpart.
Cu3Ru6Sb8—a new ternary antimonide with a new structure type
Cu3Ru6Sb8 is the first known ternary compound of the respective elements and crystallizes in its own structure type.
High thermoelectric performance of polycrystalline In4Se3−δ(CuI)x: synergistic effects of the Se-deficiency and CuI-doping
Synergistic effect of Se-deficiency and CuI-doping significantly enhances the thermoelectric figure-of-merit of the n-type polycrystalline In4Se3-based materials via improving the power factor. With In4Se2.95(CuI)0.01, ZT = 1.34 at 723 K, the highest value obtained for Pb-free polycrystalline In4Se3-based materials to date.
A microporous Cu2+ MOF based on a pyridyl isophthalic acid Schiff base ligand with high CO2 uptake
A new microporous Cu2+ MOF is reported containing a pyridyl-isophthalic acid Schiff base ligand which exhibits a significant BET area and high CO2 sorptbion capacity.
Lead-free tin chalcogenide thermoelectric materials
The thermoelectric performance of tin chalcogenides has greatly increased in recent years due to the in-depth study of band structure engineering and nanostructuring/lattice anharmonicity strategies.
Surfactants as additives make the structures of organic–inorganic hybrid bromoplumbates diverse
Through employing surfactants as additives to control the crystal growth, four new hybrid bromoplumbates including the first novel 3D open framework hybrid bromoplumbate (except perovskites) and a pair of 1D polymorphs were obtained.
Revisiting Ce3Pt4Ge6 – crystal structure and physical properties
Structural reinvestigations of Ce3Pt4Ge6 revealed additional reflections justifying the orthorhombic (3 + 1)D superspace group Cmcm(α,0,0)0s0 with α = 0.5a*.
About this collection
In 2017, Professor Mercouri G. Kanatzidis from Northwestern University will usher in the 30-year anniversary of his independent researching career. Inorganic Chemistry Frontiers is delighted to present an online themed collection celebrating his significant contributions in the development of thermoelectric materials and inorganic solid state chemistry. Guest Editors of this themed collection are Qichun Zhang (Nanyang Technological University),Jennifer A. Aitken (Duquesne University) and Gerasimos S. Armatas (University of Crete).