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The paper describes the results of finite-difference time-domain (FDTD) mathematical modeling of electromagnetic fields distortion near the planar SIO2 surfaces modified with gold nanostars. The calculated field values were converted into the electromagnetic field enhancement coefficient and the surface-enhanced Raman scattering (SERS) intensity. Prospects of the theoretical approach for planar SIO2 surfaces modified with gold nanostars modeling to evaluate optimal field amplification and light-scattering parameters have been shown. The presented approach could be applied as a basis for performing methods of controlled synthesis of effective SERS-based biocompatible sensors.
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