About this Abstract |
Meeting |
2023 TMS Annual Meeting & Exhibition
|
Symposium
|
Materials and Chemistry for Molten Salt Systems
|
Presentation Title |
Solvated Electron Dynamics in Molten Salts via Ultrafast Transient Absorption Spectroscopy |
Author(s) |
Alexander Bataller, Davis Bryars |
On-Site Speaker (Planned) |
Alexander Bataller |
Abstract Scope |
The extreme radiative environment within molten salt reactors and pyroprocessing units gives rise to electronic excitations that could have significant consequences to the local salt chemistry and reactivity with vessel materials. In particular, the chemically reactive solvated electron known from aqueous solutions is also generated in molten salts and could lead to accelerated material corrosion and nanoparticle formation. However, our understanding of solvated electron chemistry and decay dynamics is in its infancy. An experiment for investigating solvated electrons in molten salts using ultrafast transient absorption spectroscopy will be presented. In this experiment, solvated electrons are generated via photolysis from the third harmonic of a femtosecond Ti:Sapphire laser, and subsequently probed with a time-delayed broadband laser pulse. By varying the delay and measuring the change in absorption, the changing population of solvated electrons, and other species, can be obtained. |
Proceedings Inclusion? |
Planned: |
Keywords |
Nuclear Materials, Characterization, Other |