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Meeting MS&T23: Materials Science & Technology
Symposium Controlled Synthesis, Processing, and Applications of Structural and Functional Nanomaterials
Presentation Title Design of Ordering in Double Transition Metal Mo2Nb2C3Tx MXenes
Author(s) Brian Wyatt, Anupma Thakur, Kat Nykiel, Zachary Hood, Shiba Adhikari, Krista Pulley, Wyatt Highland, Alejandro Strachan, Babak Anasori
On-Site Speaker (Planned) Brian Wyatt
Abstract Scope The application of MXenes in high-demand applications such as energy storage and conversion require advancements in the synthesis and control of MXene composition in every atomic layer. In this study, we illustrate the synthesis of an ordered DTM Mo2+αNb2-αC3Tx MXene (0 ≤ α ≤ 0.3). We demonstrate that Mo and Nb preferentially occupy the outer (M') and inner (M") layers, respectively, using x-ray diffraction, Rietveld refinement, electron microscopy, and density functional theory methods. With these methods, we exhibit the effect of modifying M' and inner M" occupancies of Mo and Nb in Mo2+αNb2-αC3Tx by altering α in the precursor MAX phase. We also establish the effect of modifying outer M' and inner M" occupancies in the Mo2+αNb2-αC3Tx hydrogen evolution reaction behavior to gain an overpotential as low as 183 mV at 10 mA/cm2. This atomistic control of an ordered DTM MXene adds further control of MXenes for energy applications.


Accelerating MXene Synthesis: High-Yield Ti3C2Tx Flake Production through Shortened Etching and Controlled Delamination Processes
Catalyst Instability Induced Precursor Production and Growth of Si-based Nanostructures
Colossal Enhancement of the Thermoelectric Power Factor of La0.7Ca0.2Ni0.25Ti0.75CoO3 Epitaxial Thin Films by Exsolution
Controlled Synthesis and Dimensionalities of Metal Halide Perovskites by Solution-based Approaches
Design of Ordering in Double Transition Metal Mo2Nb2C3Tx MXenes
Designing Nanostructures in Complex Concentrated and Entropy Stabilized Oxide Thin Films
Developments of Perovskite-Structured Transparent Conducting Electrode for Perovskite Solar Cells: La-Doped SrSnO3 Bulk and Thin Films
Effect of 2D MXenes on the Properties of ZrC-Ti3C2 Composites
Enabling Materials Chemistry for Functional Ceramics
Graphene-coated Wires for Structural Application: Improved Mechanical Properties, Outstanding Strength Efficiency, and Enhancement Mechanism
Graphene-metal Composites as High-temperature Electrical Conductors
Graphene-metal Composites for Enhanced Mechanical and Electrical Properties
Growth and Characterization of Novel Single Crystals as Potential Thermoelectric Materials
Hydroxide Derived Nanomaterials and Their Properties
In Situ Solid-Phase Crystallization of Layered Complex Oxides from Amorphous Precursors in the Transmission Electron Microscope
Influence of Powder Annealing on Spontaneous Polarization and Recombination Centers in BaTiO3 Nanocrystals
Intrinsic and Extrinsic Control in Gas Phase Deposition Processes for Functional Ceramics
Investigation of Sodium and Potassium Ion Storage Behavior of WS2 Nanosheet Loaded Polymer Derived SiOC Fibers
Iron Nanoparticles for Magnetic Imaging Applications
L-2: Improved Electrochemical Properties of SiOC Composite for High Li Storage
L-3: SiC Fiber-reinforced CMCs: Towards High-temperature Structural Materials
L-4: Synthesis of High-Temperature Ceramics Based on Hafnium Carbide from a Precursor
L-5: Ultra-low Content CNTs Enhanced the Mechanical Properties of Carbon Black/Nature Rubber Composites
Mechanical and Thermal Properties of Entropy Stabilized Oxides
Mechanical Characterization of Thin Films via Constant Strain Rate Membrane Deflection Experiments
Metal Thiophosphates Under Pressure: Evolution of Magnetic and Ferroelectric Properties
Micro- and Nanopatterning and Texturing of 3-dimensional Surfaces and Structures
Microstructure and Micromechanical Behavior of Flash-sintered TiO2
Mold-Free Manufacturing of Highly Sensitive and Fast Response Pressure Sensors through High-Resolution 3D Printing and Conformal Oxidative Chemical Vapor Deposition Polymers
Molecule-like Lanthanide-oxide Clusters in ZnO
Nanostructured Surfaces for Quantitative Live Cell Microscopy Applications
Novel Insights into the Microwave-assisted Polyol Synthesis of Metal Nanoparticles for Catalytic Air Pollution Control
Phase Formation and High Temperature Electrical Conductivity in Novel Polymer-Derived Silicon Oxycarbide – Ti3C2Tx MXene Nanocomposites
Polymer Derived Hierarchically Porous Silicon Oxycarbide Ceramics through Bio-templating
Polymer Grafted Zirconia Nanoparticles as a Processible Precursor to Zirconium-based Ceramics
Preceramic Nanomaterials from Ionically Complexed Polymers and Particles
Rapid and Scalable Solid-state Synthesis of 2D Transition Metal Carbo-chalcogenides (TMCCs)
Rubbing Powders: Interfacial Radical Formation in Compacted Nanoparticle Ensembles
Structural and Compositional Analyses of Ba2YbNbO6-doped YBa2Cu3O7-x Superconducting Thin Films
Synthesis and Exploration of Half-Heusler and two Other Ternary Intermetallic Single Crystals
Synthesis of TiO2/Graphene Oxide Core-shell Nanoparticles via Catalyst-free Microwave-assisted Reaction for Highly Efficient Photocatalysis
The Role of Collagen Piezoelectricity in the Intrafibrillar Mineralization
Tuning Nano/Microstructure and Properties by Densification of Metastable Powders
Ultra-Resolution 3-Dimensional Nanopatterning of Functional Materials
Unveiling Nanoscale Strain in Two-dimensional Semiconductors via Near-field Optical Microscopy

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