Optical Spectroscopic Constants for Gold Nanoparticles (AuNPs)

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Using polarized resonance synchronous spectroscopic technique recently invented by them, the Zhang Group quantified the extinction, scattering, absorption cross-sections, and scattering depolarization spectra for a series of gold nanoparticles (AuNPs) of different sizes and shapes.  The scattering depolarization is sensitive to AuNP geometry, while the scattering cross-section is sensitive to the AuNP size.

Xu, J. X.; Siriwardana, K.; Zhou, Y.; Zou, S.; Zhang, D.*, Quantification of Gold Nanoparticle Ultraviolet–Visible Extinction, Absorption, and Scattering Cross-Section Spectra and Scattering Depolarization Spectra: The Effects of Nanoparticle Geometry, Solvent Composition, Ligand Functionalization, and Nanoparticle Aggregation. Anal. Chem., 2018, 90, 785. (DOI: 10.1021/acs.analchem.7b03227)

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