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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
Vis–NIR spectra in the plasmon resonance region of nanowires before passivation with thiol 2, immediately after the passivation with thiol 2 and after lyophilization and redissolution in water.