Transition metal ≈ Transition metal
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2D transition metal dichalcogenides Open
Graphene is very popular because of its many fascinating properties, but its lack of an electronic bandgap has stimulated the search for 2D materials with semiconducting character. Transition metal dichalcogenides (TMDCs), which are semico…
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Recent development of two-dimensional transition metal dichalcogenides and their applications Open
This article reviews the recent progress in 2D materials beyond graphene and includes mainly transition metal dichalcogenides.
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Homogeneously dispersed multimetal oxygen-evolving catalysts Open
Modulating metal oxides The more difficult step in fuel cells and water electrolysis is the oxygen evolution reaction. The search for earth-abundant materials to replace noble metals for this reaction often turns to oxides of three-dimensi…
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3d Transition Metals for C–H Activation Open
C-H activation has surfaced as an increasingly powerful tool for molecular sciences, with notable applications to material sciences, crop protection, drug discovery, and pharmaceutical industries, among others. Despite major advances, the …
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<i>Colloquium</i>: Excitons in atomically thin transition metal dichalcogenides Open
Atomically thin materials such as graphene and monolayer transition metal dichalcogenides (TMDs) exhibit remarkable physical properties resulting from their reduced dimensionality and crystal symmetry. The family of semiconducting transiti…
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Effect of Synthesis on Quality, Electronic Properties and Environmental Stability of Individual Monolayer Ti<sub>3</sub>C<sub>2</sub> MXene Flakes Open
2D transition metal carbide Ti 3 C 2 T x (T stands for surface termination), the most widely studied MXene, has shown outstanding electrochemical properties and promise for a number of bulk applications. However, electronic properties of i…
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Transition Metal Oxides as Electrocatalysts for the Oxygen Evolution Reaction in Alkaline Solutions: An Application-Inspired Renaissance Open
Water splitting is the essential chemical reaction to enable the storage of intermittent energies such as solar and wind in the form of hydrogen fuel. The oxygen evolution reaction (OER) is often considered as the bottleneck in water split…
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Metallaphotoredox: The Merger of Photoredox and Transition Metal Catalysis Open
The merger of photoredox catalysis with transition metal catalysis, termed metallaphotoredox catalysis, has become a mainstay in synthetic methodology over the past decade. Metallaphotoredox catalysis has combined the unparalleled capacity…
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Covalent surface modifications and superconductivity of two-dimensional metal carbide MXenes Open
Modifying MXene surfaces Unlike graphene and transition-metal dichalcogenides, two-dimensional transition-metal carbides (MXenes) have many surface sites that can be chemically modified. Etching of the aluminum layer of a parent MAX phase …
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Janus Monolayer Transition-Metal Dichalcogenides Open
The crystal configuration of sandwiched S-Mo-Se structure (Janus SMoSe) at the monolayer limit has been synthesized and carefully characterized in this work. By controlled sulfurization of monolayer MoSe2, the top layer of selenium atoms i…
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Anomalous absorption of electromagnetic waves by 2D transition metal carbonitride Ti <sub>3</sub> CNT <i> <sub>x</sub> </i> (MXene) Open
Shields up! Specialized conductive materials are used to shield or block electromagnetic radiation such as microwaves or radio waves to either prevent the escape of stray radiation or prevent interference from unwanted sources. Ideal mater…
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Element Replacement Approach by Reaction with Lewis Acidic Molten Salts to Synthesize Nanolaminated MAX Phases and MXenes Open
Nanolaminated materials are important because of their exceptional properties and wide range of applications. Here, we demonstrate a general approach to synthesizing a series of Zn-based MAX phases and Cl-terminated MXenes originating from…
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Synthesis and Characterization of 2D Molybdenum Carbide (MXene) Open
Large scale synthesis and delamination of 2D Mo 2 CT x (where T is a surface termination group) has been achieved by selectively etching gallium from the recently discovered nanolaminated, ternary transition metal carbide Mo 2 Ga 2 C. Diff…
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Transition Metal Carbides and Nitrides in Energy Storage and Conversion Open
High‐performance electrode materials are the key to advances in the areas of energy conversion and storage (e.g., fuel cells and batteries). In this Review, recent progress in the synthesis and electrochemical application of transition met…
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Electronic and Optical Properties of 2D Transition Metal Carbides and Nitrides (MXenes) Open
2D transition metal carbides, carbonitrides, and nitrides, known as MXenes, are a rapidly growing family of 2D materials with close to 30 members experimentally synthesized, and dozens more studied theoretically. They exhibit outstanding e…
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Ten Years of Progress in the Synthesis and Development of MXenes Open
Since their discovery in 2011, the number of 2D transition metal carbides and nitrides (MXenes) has steadily increased. Currently more than 40 MXene compositions exist. The ultimate number is far greater and in time they may develop into t…
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Catalytic Enantioselective Transformations Involving C–H Bond Cleavage by Transition-Metal Complexes Open
The development of new methods for the direct functionalization of unactivated C-H bonds is ushering in a paradigm shift in the field of retrosynthetic analysis. In particular, the catalytic enantioselective functionalization of C-H bonds …
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Defect engineering of two-dimensional transition metal dichalcogenides Open
Two-dimensional transition metal dichalcogenides (TMDs), an emerging family of layered materials, have provided researchers a fertile ground for harvesting fundamental science and emergent applications. TMDs can contain a number of differe…
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Boosting Oxygen Reduction of Single Iron Active Sites via Geometric and Electronic Engineering: Nitrogen and Phosphorus Dual Coordination Open
Atomically dispersed transition metal active sites have emerged as one of the most important fields of study because they display promising performance in catalysis and have the potential to serve as ideal models for fundamental understand…
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Transition metal–catalyzed alkyl-alkyl bond formation: Another dimension in cross-coupling chemistry Open
Stitching one alkyl group to another Chemical reactions such as Heck and Suzuki coupling facilitate access to an enormous range of relatively flat molecules. This geometrical constraint is associated with the comparative ease of linking to…
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Recent Methodologies That Exploit C–C Single-Bond Cleavage of Strained Ring Systems by Transition Metal Complexes Open
In this review, synthetic and mechanistic aspects of key methodologies that exploit C-C single-bond cleavage of strained ring systems are highlighted. The focus is on transition-metal-catalyzed processes that are triggered by C-C bond acti…
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Single-Atom Alloy Catalysis Open
Single-atom alloys (SAAs) play an increasingly significant role in the field of single-site catalysis and are typically composed of catalytically active elements atomically dispersed in more inert and catalytically selective host metals. S…
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Essential metals in health and disease Open
In total, twenty elements appear to be essential for the correct functioning of the human body, half of which are metals and half are non-metals. Among those metals that are currently considered to be essential for normal biological functi…
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Dissolution, migration, and deposition of transition metal ions in Li-ion batteries exemplified by Mn-based cathodes – a critical review Open
This paper reviews the research activities on the mechanistic understanding and solutions to overcome the TM DMD process, from the earliest discoveries to the latest progress.
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Nanostructured transition metal dichalcogenide electrocatalysts for CO <sub>2</sub> reduction in ionic liquid Open
Small and salty CO 2 reduction scheme Most artificial photosynthesis approaches focus on making hydrogen. Modifying CO 2 , as plants and microbes do, is more chemically complex. Asadi et al. report that fashioning WSe 2 and related electro…
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Dielectric properties of hexagonal boron nitride and transition metal dichalcogenides: from monolayer to bulk Open
Hexagonal boron nitride (h-BN) and semiconducting transition metal dichalcogenides (TMDs) promise greatly improved electrostatic control in future scaled electronic devices. To quantify the prospects of these materials in devices, we calcu…
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Electro- and Solar-Driven Fuel Synthesis with First Row Transition Metal Complexes Open
The synthesis of renewable fuels from abundant water or the greenhouse gas CO2 is a major step toward creating sustainable and scalable energy storage technologies. In the last few decades, much attention has focused on the development of …
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Mechanism of Oxygen Evolution Catalyzed by Cobalt Oxyhydroxide: Cobalt Superoxide Species as a Key Intermediate and Dioxygen Release as a Rate-Determining Step Open
The oxygen evolution reaction (OER) is the performance-limiting half reaction of water splitting, which can be used to produce hydrogen fuel using renewable energies. Whereas a number of transition metal oxides and oxyhydroxides have been …
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First-Row Transition Metal (De)Hydrogenation Catalysis Based On Functional Pincer Ligands Open
The use of 3d metals in de/hydrogenation catalysis has emerged as a competitive field with respect to "traditional" precious metal catalyzed transformations. The introduction of functional pincer ligands that can store protons and/or elect…
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Mechanism of Hydrogen Evolution Reaction on 1T-MoS<sub>2</sub> from First Principles Open
The 1T phase of transition-metal dichalcogenides (TMDs) has been shown in recent experiments to display excellent catalytic activity for hydrogen evolution reaction (HER), but the catalytic mechanism has not been elucidated so far. Herein,…