Modeling Au Nanostar Geometry in Bulk Solutions.
William MortonCaoimhe JoyceJonny TaylorMary P RyanStefano Angioletti-UbertiFang XiePublished in: The journal of physical chemistry. C, Nanomaterials and interfaces (2023)
The findings within make it possible to reference gold nanostars based on their geometric properties, similar to how a radius describes a nanosphere, rather than just the LSPR of the structure-the current practice. The average tip approximation presented reduces the complexity of nanostars in discrete dipole approximation simulations. By matching the projected area and LSPR of the modeled nanostars to synthesized nanostars, the volume, surface area, and number of tips can be approximated without a lengthy characterization process. Knowing the nanoparticle geometry can determine drug carrier capacity, an approximate number of hot spots for EM imaging, and how the particle will interact with cells. The geometric data obtained will drive the biological application and increase the usability of this particle class.
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