Tuesday, March 25, 2014

Graphene oxide and shape-controlled silver nanoparticle hybrids for ultrasensitive single-particle surface-enhanced Raman scattering (SERS) sensing




Nanoscale , 2014, Advance Article

DOI: 10.1039/C3NR06316J, Paper

Wei Fan, Yih Hong Lee, Srikanth Pedireddy, Qi Zhang, Tianxi Liu, Xing Yi Ling

Ag octahedron nanoparticles are assembled with graphene oxide (GO) sheets to form Ag octahedron@GO hybrids. Owing to the excellent chemical enhancement of GO, single particle SERS demonstrates an enhancement factor of 9 [times] 105 , which is twice as large as that of a pure octahedron.

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