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Fabrication of Ti3C2 MXene Microelectrode Arrays for In Vivo Neural Recording
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Scalable, High-Yield Monolayer MXene Preparation from Multilayer MXene for Many Applications.

Xiangxiang Shi1, Zhen Yu2, Zi Liu1

  • 1State Key Laboratory of Space Power-Sources, School of Chemistry and Chemical Engineering, Harbin Institute of Technology, Harbin, 150001, China.

Angewandte Chemie (International Ed. in English)
|October 14, 2024
PubMed
Summary
This summary is machine-generated.

High-temperature ultrasound effectively increases the yield of titanium carbide (Ti3C2Tx) MXene monolayers. This scalable method produces high-quality MXene for advanced applications.

Keywords:
Ti3C2Tx MXenebubblehigh yieldhydrogen-bond cagemonolayer

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Area of Science:

  • Materials Science
  • Nanotechnology
  • Chemical Engineering

Background:

  • Titanium carbide (Ti3C2Tx) MXene possesses excellent conductivity and hydrophilicity.
  • Low yield of MXene monolayers currently limits industrial scalability.
  • Conventional methods for monolayer production often require low temperatures.

Purpose of the Study:

  • To develop a scalable method for significantly enhancing MXene monolayer yield.
  • To investigate the effect of high-temperature ultrasound on MXene delamination.
  • To demonstrate the potential of high-yield MXene for industrial applications.

Main Methods:

  • Disruption of hydrogen-bonding cage confinement in multilayer MXene using high-temperature ultrasound (approx. 70°C).
  • Ultrasonic cavitation to generate microbubbles for interlayer penetration and delamination.
  • Characterization of resulting monolayer nanosheets and their properties.

Main Results:

  • Achieved up to 95% yield of monolayer MXene in minutes, surpassing traditional methods.
  • High-yield MXene nanosheets exhibit comparable properties to those from ice-bath methods.
  • Demonstrated excellent printing and processing capabilities of high-concentration MXene ink.
  • Resulting products showed superior infrared stealth and Joule heating characteristics.

Conclusions:

  • High-temperature ultrasound is an effective strategy to overcome the low yield bottleneck in MXene production.
  • This method challenges conventional temperature limitations for MXene monolayer preparation.
  • The scalable, high-yield approach paves the way for widespread technological and industrial adoption of MXene.