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Model for Transient Absorption and Raman Scattering of Vibrating Noble Metal Nanoparticles
Rachel Gelfand, UMBC
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Transient absorption and Raman scattering measurements on noble metal nanoparticles offer complimentary information on their vibrational modes and mechanical interactions with their surroundings. We have built a COMSOL application for simulating both of these spectra for arbitrary nanoparticle geometry and different metal compositions. This multiphysics application uses the Solid Mechanics and Electromagnetic Wave modules, takes into account local changes in dielectric function for the metals, and can model the small vibrational amplitudes of real transient absorption measurements.
For more information on the method and to cite my model, consult:
Gelfand, Rachel, “Unified Finite-element Model for Transient Absorption and Raman Scattering of Vibrating Noble Metal Nanoparticles,” J. Phys. Chem. C 2024, 128, 41, 17526–17535
https://doi.org/10.1021/acs.jpcc.4c04071
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