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MXenes are a new and exciting member of this growing class of materials. These 2-D metal carbide and nitride compounds look like puff pastry when examined under an electron microscope, with multiple flaky layers weakly bonded together. Multilayer (ML) MXenes have many stacked layers while few-layer (FL) MXenes have between one and five layers. MXenes follow a standard naming convention, Mn+1XnTx, where M is the transitional metal, X is carbon or nitrogen, and T is the terminating group. MXenes start with a parent MAX (Mn+1AXn) phase. When the the A (group -13 or -14 element) is etched away, an MXene is created.
The most common MXene is Ti3C2Tx , titanium carbides, which are derived from the parent titanium aluminum carbide (Ti3AlC2) MAX phase by using either a mixture of HCL and fluoride salts or hydrofluoric acid to etch away the aluminum layer. Ti3C2Tx has demonstrated high electrical conductivity, remarkable electromagnetic shielding properties, and high in-plane stiffness. Like other MXenes, Ti3C2Tx is hydrophilic; aqueous dispersions can be formed into thin films, composites, and even crumpled 3-D configurations. Ti3C2Tx has potential use in a number of applications, including hydrogen storage, flexible electronics, antibacterial films, absorption of heavy metals, and water desalination, just to name a few.
ACS is pleased to provide multilayer and few-layer Ti3C2Tx MXenenanoflakes as part of our advanced offering of nanomaterials. All our products are manufactured to the highest standards of purity and consistency, making us a trusted supplier for leading research labs and engineers around the world.
