Cholesterol-Driven Guest Exchange Tunes Plasmon Damping in Single β-Cyclodextrin-Modified Gold Nanorods

Key Points

• The study aims to explore how cholesterol influences the chemical interface damping in gold nanorods.
• Examined the effects of cholesterol on gold nanorods' plasmonic properties
• Utilized β-cyclodextrin to modify and enhance tunability
• Analyzed the chemical interface damping mechanisms through electronic interactions
• Cholesterol significantly alters plasmon damping in modified gold nanorods
• Enhanced tunability observed in the presence of cholesterol
• Findings suggest new pathways for manipulating electronic interactions in plasmonic systems