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Issue 81, 2014
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Ag nanoparticles supported on N-doped graphene hybrids for catalytic reduction of 4-nitrophenol

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Abstract

Ag nanoparticles (NPs) supported on N-doped reduced graphene oxide (Ag/N–RGO) hybrids were prepared by a combined solvothermal approach and microwave-polyol method. Compared to Ag NPs grown on undoped reduced graphene oxide (Ag/RGO), Ag/N–RGO exhibited better NPs dispersion, smaller particle size, and stronger NP–graphene interactions. The catalytic ability of Ag/N–RGO was evaluated for the reduction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) with NaBH4, revealing that Ag/N–RGO showed a higher catalytic ability than Ag NPs or N–RGO alone, and Ag/RGO, which was due possibly to the synergetic effects between Ag NPs and N–RGO. Furthermore, the durability of Ag/N–RGO was much better than that of Ag/RGO. These results indicate that Ag/N–RGO has a great potential for application in catalytic reduction of 4-NP.

Graphical abstract: Ag nanoparticles supported on N-doped graphene hybrids for catalytic reduction of 4-nitrophenol

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The article was received on 22 Jun 2014, accepted on 13 Aug 2014 and first published on 13 Aug 2014


Article type: Paper
DOI: 10.1039/C4RA06089J
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RSC Adv., 2014,4, 43204-43211

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    Ag nanoparticles supported on N-doped graphene hybrids for catalytic reduction of 4-nitrophenol

    Y. Tian, Y. Cao, F. Pang, G. Chen and X. Zhang, RSC Adv., 2014, 4, 43204
    DOI: 10.1039/C4RA06089J

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