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Baohua Zhang, Haishui Wang, Lehui Lu, Kelong Ai, Guo Zhang and Xiaoli Cheng Large-Area Silver-Coated Silicon Nanowire Arrays for Molecular Sensing Using Surface-Enhanced Raman Spectroscopy Advanced Functional Materials 18

Version of Record online: 28 JUL 2008 | DOI: 10.1002/adfm.200800153

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Large-area silver-coated silicon nanowire arrays (see figure) are prepared by a new strategy. The arrays are excellent candidates for surface-enhanced Raman spectroscopy (SERS)-based ultrasensitive sensors, in terms of high SERS signal enhancement, good stability, and reproducibility under optimal conditions. Importantly, they can be readily used for rapidly detecting low concentrations of molecules related to human health and safety.

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