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Controllable fabrication and sensitive detection based on SERS substrates with Au nanocubes coated Fe3O4

2014; Elsevier BV; Volume: 52; Linguagem: Inglês

10.1016/j.materresbull.2013.12.046

1873-4227

Wenya Cai, Xin Wang, Yongxin Yan,

Nanoparticles: synthesis and applications

Abstract Au nanocubes (NCs) coated Fe3O4 nanoparticles (Fe3O4/Au NPs) were designed and fabricated controllably via a facile method. The diameter of Au NCs in the surface of Fe3O4 was 65 nm, considering the appropriate size for Au NPs as surface-enhanced Raman scattering (SERS) substrates, which makes the Fe3O4/Au NPs used for pesticide analysis with high sensitivity.