About this Abstract |
Meeting |
2025 TMS Annual Meeting & Exhibition
|
Symposium
|
2D Materials – Preparation, Properties, Modeling & Applications
|
Presentation Title |
Effect of Halogen Terminations (Tx = −Cl, −Br, −I) on Ti3C2Tx MXene properties and their gas sensing performance |
Author(s) |
Sai Bhargava Reddy M |
On-Site Speaker (Planned) |
Sai Bhargava Reddy M |
Abstract Scope |
Recently, 2D MXenes have emerged as compelling candidates because of their high specific surface area and tunable electronic structure. The rich surface functionalities and tunable electronic structures of MXenes make them particularly suitable for sensing applications. Tuning the surface chemistry to expand the property space of MXenes is a critical topic, though experimentally exploring surface terminals remains challenging. Here, we synthesized Ti3C2 MXene with halogen terminals (−Cl, −Br, and −I) to investigate the effect of surface chemistry on the properties and gas sensing performance of MXenes. The fabricated Ti3C2Br2 showed the highest NO2 sensing response of 51.716% to 5 ppm at room temperature. Additionally, Ti3C2Cl2 and Ti3C2I2 exhibited similar NO2 responses. This approach lays the foundation for understanding the surface-sensitive behavior of MXenes in gas sensing by investigating the impact of the Lewis-acidic-melt etching route for tuning the surface chemistry of MXenes. |
Proceedings Inclusion? |
Planned: |
Keywords |
Electronic Materials, Nanotechnology, Characterization |