Ag-nanoparticle-decorated Au-fractal patterns on bowl-like-dimple arrays on Al foil as an effective SERS substrate for the rapid detection of PCBsElectronic supplementary information (ESI) available: Six additional figures and two tables that elaborate on the experimental results. See DOI: 10.1039/c3cc46878j

Large-area Au-aggregate-assembled fractal patterns with tailored sizes and densities are achieved by sputtering Au nanoparticles on hexagonally patterned bowl-shaped-dimples on Al foil and subsequent annealing. After decorating with much smaller Ag nanoparticles, the resultant substrates exhibit an...

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Main Authors: Hou, Chao, Meng, Guowen, Huang, Qing, Zhu, Chuhong, Huang, Zhulin, Chen, Bin, Sun, Kexi
Format: Article
Language:English
Online Access:Get full text
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Summary:Large-area Au-aggregate-assembled fractal patterns with tailored sizes and densities are achieved by sputtering Au nanoparticles on hexagonally patterned bowl-shaped-dimples on Al foil and subsequent annealing. After decorating with much smaller Ag nanoparticles, the resultant substrates exhibit an active and reproducible SERS effect. Large-area Ag-nanoparticle-decorated Au-fractal-patterns are achieved on ordered bowl-shaped-dimples on Al foil for SERS-based rapid detection of PCBs.
ISSN:1359-7345
1364-548X
DOI:10.1039/c3cc46878j