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- W2001744218 abstract "We present the synthesis of highly anisotropic nickel nanowires (NWs) and large area, free-standing carpets extending over cm(2) area by simple solution phase chemistry. The materials can be post-synthetically manipulated to produce hybrid tubes, wires, and carpets by galvanic exchange reactions with Au(3+), Ag(+), Pt(2+), and Pd(2+). All of these structures, especially the hybrid carpets and tubes, have been prepared in bulk and are surface enhanced Raman scattering (SERS) active substrates. Molecules of relevance such as dipicolinic acid (constituting 5-15% of the dry weight of bacterial spores of Bacillus anthracis), dinitrotoluene, hexahydro-1,3,5-triazine (RDX), and trinitrotoluene at nanomolar concentrations have been detected. An enhancement factor of ∼10(10) was observed for the Ni-Au nanocarpet. The reusability of the Ni-Au nanocarpet for SERS applications was tested 5 times without affecting the sensitivity. The reusability and sensitivity over large area have been demonstrated by Raman microscopy. Our method provides an easy and cost effective way to produce recyclable, large area, SERS active substrates with high sensitivity and reproducibility which can overcome the limitation of one-time use of traditional SERS substrates." @default.
- W2001744218 created "2016-06-24" @default.
- W2001744218 creator A5027031825 @default.
- W2001744218 creator A5065042599 @default.
- W2001744218 date "2012-01-01" @default.
- W2001744218 modified "2023-09-26" @default.
- W2001744218 title "Functional hybrid nickel nanostructures as recyclable SERS substrates: detection of explosives and biowarfare agents" @default.
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- W2001744218 doi "https://doi.org/10.1039/c2nr30557g" @default.
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