In Situ Creation of Surface-Enhanced Raman Scattering Active Au-AuO _x Nanostructures through Electrochemical Process for Pigment Detection.

ABSTRACT: Roughing the metallic surface via oxidation-reduction cycles (ORC) to integrate the surface plasmon resonance and surface-enhanced Raman scattering (SERS) is predominant in developing sensor systems because of the facile preparation and uniform distribution of nanostructures. Herein, we proposed a distinctive ORC process: the forward potential passed through the oxidation of Au and reached the oxygen evolution reaction, and once the potential briefly remained at the vertex, the various reverse rates were employed to control the reduction state. The created hybrid Au-AuO _x possessed electromagnetic and chemical enhancements concurrently, wherein the rough surface provided the strong local electromagnetic fields and significant interaction between AuO _x an

SUBMITTER: Chen HC 

PROVIDER: S-EPMC6643664 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature