Ordered mesoporous carbon-reduced graphene oxide composites decorating with Ag nanoparticles for surface enhanced Raman scattering

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Abstract

Ordered mesoporous carbon-reduced graphene oxide (OMC-RGO) composites are prepared through organic-organic self-assembly method. The conductivity of OMC-RGO (32.5 S m-1) is higher than that of OMC (0.76 S m -1), while the pore structure is reduced and the BET surface area and pore volume of OMC-RGO (361 m2 g-1, 0.23 cm3 g-1) are lower than OMC (670 m2 g-1, 0.40 cm3 g-1). Furthermore, the presence of RGO in OMC-RGO is favorable to load more Ag nanoparticles due to the oxygen-containing groups on the surface of RGO and the Raman signal intensity of OMC-RGO-Ag is greatly increased comparing with OMC-Ag, showing surface-enhanced Raman scattering (SERS) activity.

Original languageEnglish
Pages (from-to)173-176
Number of pages4
JournalMaterials Letters
Volume97
DOIs
StatePublished - 2013

Keywords

  • Carbon materials
  • Electrical properties
  • Nanoparticles
  • Porous materials
  • Reduced graphene oxide

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