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Coherency strain and precipitation kinetics: crystalline and amorphous nitride formation in ternary Fe–Ti/Cr/V–Si alloys
Specimens of iron-based binary Fe–Si alloy and ternary Fe–Me–Si alloys (with Me = Ti, Cr and V) were nitrided at 580 °C in a NH3/H2-gas mixture applying a nitriding potential of 0.1 atm−1/2 until
Robust Polyoxometalate/Nickel Foam Composite Electrodes for Sustained Electrochemical Oxygen Evolution at High pH.
A facile one-step hydrothermal route to deposit microcrystals of a robust Dexter-Silverton polyoxometalate oxygen evolution catalyst on a commercial nickel foam electrode is described, providing a blueprint for the stable "wiring" of POM catalysts to commercial metal foam substrates, thus giving access to technologically relevant composite OER electrodes.
Visible-Light-Driven Water Oxidation by a Molecular Manganese Vanadium Oxide Cluster.
A synthetic OEC model based on a molecular manganese vanadium oxide cluster, [Mn4 V4 O17 (OAc)3 ](3-) , which could serve as a model for the molecular structure and reactivity of the OEC and for heterogeneous metal oxide water-oxidation catalysts.
From molecular to colloidal manganese vanadium oxides for water oxidation catalysis.
The particles show water oxidation activity when combined with CeIV as the oxidant, are stable even under highly acidic reaction conditions and can be recovered and reused.
Understanding homogeneous hydrogen evolution reactivity and deactivation pathways of molecular molybdenum sulfide catalysts
Molybdenum sulfides are highly active hydrogen evolution reaction (HER) catalysts based on earth abundant elements. Here, the molybdenum sulfide anion [Mo3S13]2− is used as a molecular model to
Homogeneous and Heterogeneous Anion Sensing by a Molecular Cobalt-Vanadium Oxide.
A molecular cobalt-vanadium-oxide cluster was shown to be capable of selectively binding and detecting various mono-anions in solution and immobilized on a solid support and enables the development of homogeneous or heterogeneous molecular anion sensors with possible applications in chemistry, bio-medical scenarios, and under harsh environmental conditions.
Advanced Bioink for 3D Bioprinting of Complex Free-Standing Structures with High Stiffness
The development and validation of a carboxylated agarose (CA)-based bioink that is amenable to 3D printing of free-standing structures with high stiffness at physiological temperature using microextrusion printing without the need for a fugitive phase or post-processing or support material (FRESH).