High-density ordered Ag@Al₂O₃ nanobowl arrays in applications of surface-enhanced Raman spectroscopy.

Abstract

In this paper, we demonstrate a high-performance surface-enhanced Raman scattering (SERS) substrate based on high-density ordered Ag@Al2O3 nanobowl arrays. By ion beam etching (IBE) the anodized aluminum oxide (AAO) and subsequent Ag coating, ordered Ag@Al2O3 nanobowl arrays were created on the Si substrate. Unlike the 'hot spots' generated between adjacent… (More)
DOI: 10.1088/0957-4484/27/16/165304

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