Extinction coefficient of gold nanoparticles with different sizes and different capping ligands.
Extinction coefficient of gold nanoparticles with different sizes and different capping ligands.
Xiong Liu,Mark A. Atwater,Jinhai Wang,Q. Huo
2007 · DOI: 10.1016/J.COLSURFB.2006.08.005
Colloids and Surfaces B: Biointerfaces · 1,312 Citations
TLDR
A linear relationship between the logarithms of extinction coefficients and core diameters of gold particles was found independent of the capping ligands on the particle surface and the solvents used to dissolve the nanoparticles, and may be used as a calibration curve to determine the concentration or average size of an unknown nanoparticle or nanoparticle-biomolecule conjugate sample.