| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Materials for Sustainable Hydrogen Energy
|
| Presentation Title |
Plasma-treated transition metal dichalcogenide nanoparticles for efficient hydrogen evolution reaction |
| Author(s) |
Alex Laikhtman, Arie Borenstein, Alla Zak |
| On-Site Speaker (Planned) |
Alex Laikhtman |
| Abstract Scope |
Tungstene disulfide (WS2) nanotubes are extensively studied for their unique structural and electronic properties. WS2 nanotubes demonstrated efficient catalytic performance for hydrogen evolution reaction (HER). Plasma treatments effectively modify the surface of WS2 nanostructures. Low-power RF plasma increases the number of disordered sites at the surface layer and produces atom vacancies, thus significantly enhancing energy conversion performance. These plasma modified WS2 nanotubes used as catalyst reveal improved HER performance. We have successfully formed plasma-treated WS2 nanotubes, which provides a high concentration of active catalytic sites for electrocatalytic reaction. As a result, the HER catalytic activity of all the treated samples significantly improved as compared to pristine WS2 nanotubes. Additionally, RF plasma treatment helps the incorporation of oxides hydrophilic groups inside the system, which promotes fast electron transfer. In such a way, the effective lowering of overpotential for HER activity was achieved. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Nanotechnology, Other, Other |