Synthesis of two-dimensional titanium nitride Ti4N3 (MXene).

  title={Synthesis of two-dimensional titanium nitride Ti4N3 (MXene).},
  author={Patrick Urbankowski and Babak Anasori and Taron Makaryan and Dequan Er and Sankalp Kota and Patrick Walsh and Meng-qiang Zhao and Vivek B. Shenoy and Michel W. Barsoum and Yury Gogotsi},
  volume={8 22},
We report on the synthesis of the first two-dimensional transition metal nitride, Ti4N3-based MXene. In contrast to the previously reported MXene synthesis methods - in which selective etching of a MAX phase precursor occurred in aqueous acidic solutions - here a molten fluoride salt is used to etch Al from a Ti4AlN3 powder precursor at 550 °C under an argon atmosphere. We further delaminated the resulting MXene to produce few-layered nanosheets and monolayers of Ti4N3Tx, where T is a surface… 

Preparation of Two-dimensional Ti2CTx by Molten Fluorinated Salt Method

We prepared a two-dimensional transition metal carbide Ti2CTx by treatment of Ti2AlC in molten fluoride salt. Two fluorinated salt systems were used to etch Al from Ti2AlC powder precursor under the

Two-Dimensional Titanium Nitride (Ti2N) MXene: Synthesis, Characterization, and Potential Application as Surface-Enhanced Raman Scattering Substrate.

The selective etching of Al from ternary layered transition metal nitride Ti2AlN (MAX) and intercalation were achieved by immersing the powder in a mixture of potassium fluoride and hydrochloric acid and centrifuged to obtain few-layered Ti2NTx.

Two-dimensional Ti2C monolayer (MXene) : Surface Functionalization - Induced Metal - Semiconductor Transition

  • B. Akgenc
  • Materials Science
  • 2019
Recently, two-dimensional (2D) transition metal carbides and nitrides known as MXenes, have gained a lot of attention because of their tunable electronic and magnetic properties depending on surface

Synthesis and Electrochemical Properties of Two-Dimensional Hafnium Carbide.

Hf3C2Tz MXenes with a 2D structure are candidate anode materials for metal-ion intercalation, especially for applications where size matter, and are determined to be flexible and conductive.

Thickness biased capture of CO2 on carbide MXenes.

The possibility to tune the CO2 interaction based on the MXene thickness is further investigated by means of kinetic phase diagrams, providing additional evidence that carbide MXene surfaces are promising materials for CO2 capture even at low CO2 partial pressures, and that theMXene thickness can be used to fine tune this appealing behavior.

Two-dimensional titanium carbide MXenes as efficient non-noble metal electrocatalysts for oxygen reduction reaction

MXenes, a new family of multifunctional two dimensional (2D) solid crystals integrating high electroconductivity and rich surface chemistries, are promising candidates for electrolysis, which,

New Method for the Synthesis of 2D Vanadium Nitride (MXene) and Its Application as a Supercapacitor Electrode

A novel synthesis of V2NTx (Tx is the surface termination) obtained by the selective removal of “Al” from V2AlN by immersing powders of V 2AlN in the LiF–HCl mixture (salt–acid etching) followed by sonication to obtain V2 NTx (tx = −F, −O) MXene which is then delaminated using the dimethyl sulfoxide solvent.

The world of two-dimensional carbides and nitrides (MXenes)

The ability of MXenes to form carbonitrides and solid solutions suggests a potentially infinite number of compositions and opens a new era of computationally driven atomistic design of 2D materials.



A Two-Dimensional Zirconium Carbide by Selective Etching of Al3C3 from Nanolaminated Zr3Al3C5.

The obtained 2D Zr3C2T(z) exhibits relatively better ability to maintain 2D nature and strucural integrity compared to Ti-based Mxene and the difference in structural stability under high temperature condition is explained by a theoretical investigation on binding energy.

Two-dimensional transition metal carbides.

Evidence is presented for the exfoliation of the following MAX phases by the simple immersion of their powders, at room temperature, in HF of varying concentrations for times varying between 10 and 72 h followed by sonication.

A Ti-anchored Ti2CO2 monolayer (MXene) as a single-atom catalyst for CO oxidation

First-principles computations were performed to investigate the catalytic oxidation of CO on a Ti-anchored Ti2CO2 monolayer, a typical MXene. The Ti2CO2 monolayer could prevent the formation of Ti

Synthesis and characterization of two-dimensional Nb4C3 (MXene).

The structure of this, only second MXene with formula M4X3, was investigated with pair distribution function analysis, and the resistivity of a cold-pressed disc was 0.0046 Ω m, rendering this MXene one of the most conductive to date.

Transparent Conductive Two-Dimensional Titanium Carbide Epitaxial Thin Films

This work reports on the fabrication of ∼1 × 1 cm2 Ti3C2 films by selective etching of Al, from sputter-deposited epitaxial Ti3AlC 2 films, in aqueous HF or NH4HF2, and opens the door for the use of MXenes in electronic, photonic, and sensing applications.

25th Anniversary Article: MXenes: A New Family of Two‐Dimensional Materials

Recently a new, large family of two‐dimensional (2D) early transition metal carbides and carbonitrides, called MXenes, was discovered. MXenes are produced by selective etching of the A element from

Two-Dimensional, Ordered, Double Transition Metals Carbides (MXenes).

DFT is used to predict the existence of two new families of 2D ordered, carbides, M'2M″C2 and M' 2M″2C3, where M' and M″ are two different early transition metals, offering additional choices of structures, chemistries, and ultimately useful properties.

Resolving the Structure of Ti3C2Tx MXenes through Multilevel Structural Modeling of the Atomic Pair Distribution Function

MXenes are a recently discovered family of two-dimensional (2D) early transition metal carbides and carbonitrides, which have already shown many attractive properties and great promise in energy