| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
2D Materials: Preparation, Properties, Modeling & Applications
|
| Presentation Title |
Electromechanical Coupling of 2D Materials for Energy and Sensing Applications |
| Author(s) |
Jun Liu |
| On-Site Speaker (Planned) |
Jun Liu |
| Abstract Scope |
Van der Waals heterojunctions consisting of atomically thin 2D materials are promising for future electronic and optoelectronic applications due to their unique and tunable electrical and photoelectrical properties. Particularly, the coupling between the mechanical modulation and electronic and photonic properties of 2D materials is of great interest. By introducing local strain gradient to non-centrosymmetric 2D materials, induced polarization due to lattice asymmetry can give rise to enhanced photocurrent transport known as flexo-photovoltaic effect. Unlike conventional piezoelectricity or triboelectricity with AC output, electronic excitation of electron-hole pairs at a Schottky or P-N sliding contact results in a direct-current generation with 3-4 orders higher current density, which can also couple with photon irradiation manifesting as tribo-photovoltaic effect. In this talk, electromechanical coupling of 2D materials for energy harvesting and sensing application will be discussed. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Energy Conversion and Storage, Electronic Materials, Nanotechnology |