Combined Electrostatic-Covalent Building of Au NPs Multilayers and Their Size-Enhanced Cohesive and SERS Properties

<table>Schematic representation of the combined electrostatic-covalent layer-by-layer (LbL) formation of Au NPs multilayers (relative size of linker and NPs are not at scale).</table>

Advances in Physical Chemistry

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Figure 1

Figure 1: Combined Electrostatic-Covalent Building of Au NPs Multilayers and Their Size-Enhanced Cohesive and SERS Properties 