Adhesion layer-free attachment of gold on silicon wafer and its application in localized surface plasmon resonance-based biosensing

The use of a metallic adhesion layer between plasmonic-active nanostructures and a solid support is known to dampen the plasmonic response. To overcome this problem, organic adhesion layers have been introduced, which in turn can undermine the stability of the film. Moreover, both types of layers limit the regeneration of the nanostructures for multiple uses. Here we report a quick and simple approach to prepare intermediate adhesion layer-free...