Ti₃C₂ 2D MXene: Recent Progress and Perspectives in Photocatalysis

Area of Science:

• Materials Science
• Nanotechnology
• Chemistry

Background:

• Since 2011, two-dimensional (2D) MXene materials have gained significant research interest.
• MXenes, composed of transition metal carbides, nitrides, or carbonitrides, offer large surface areas, tunable surface groups, and excellent conductivity.
• Titanium carbide (Ti3C2) is a prominent MXene due to its availability, low cost, and favorable electronic properties.

Purpose of the Study:

• To provide a comprehensive understanding of Ti3C2 fabrication and modification techniques.
• To explore the relationship between Ti3C2 properties and their photocatalytic applications.
• To summarize current research and offer perspectives on future investigations of Ti3C2 MXene-based materials.

Main Methods:

• Review of existing literature on the synthesis and post-processing of Ti3C2 MXene.
• Analysis of how different fabrication and modification methods influence Ti3C2 properties (morphology, structure, stability).
• Examination of Ti3C2's role in photocatalysis, focusing on charge separation and recombination.

Main Results:

• Ti3C2 enhances photocatalysis by improving photoinduced electron-hole separation and reducing charge recombination.
• The properties of Ti3C2 can be effectively tuned through various post-processing methods in hybridized materials.
• Ti3C2 demonstrates significant potential across various applications, including photocatalysis and energy conversion.

Conclusions:

• Ti3C2 MXene is a highly promising material for photocatalytic applications.
• Fabrication and modification strategies are crucial for optimizing Ti3C2 performance.
• Further research into Ti3C2 is warranted to fully exploit its potential in advanced material applications.