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Wide-Field Surface-Enhanced Raman Scattering from Ferroelectrically Defined Au Nanoparticle Microarrays for Optical Sensing

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Abstract

The acquisition-time in optical sensors using SERS is vital value. Wide-field SERS is used to perform high-density of hot-spots of GNPs photodeposition on a periodically-proton-exchanged-LiNbO3 which, leads to increase the sensitivity at ultralow probe concentrations <10−9−10−13M.

© 2018 The Author(s)

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