At enhanced NaCl concentrations, the AgNP aggregation could contribute to the widening of the SPRB due to light absorption of the aggregates and/or non-spherical nanoparticle shapes at wavelengths higher than 500–550 nm.
At enhanced NaCl concentrations, the AgNP aggregationcould contribute to the widening of the SPRB due to light absorptionof the aggregates and/or non-spherical nanoparticle shapes atwavelengths higher than 500–550 nm.