Reduction of 4-nitrophenol to 4-aminophenol over Sonoimmobilized Silver/Reduced Graphene Oxide Nanocomposites on Polyester Fabric 


Vol. 18,  No. 12, pp. 2287-2297, Dec.  2017


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  Abstract

The current paper is aimed to compare different arrangement of Ag nanoparticles within silver/reduced graphene oxide (Ag/rGO) nanocomposites on the polyester fabric. rGO sheets cannot be dispersed in the water for long time however, thin layer surfactant-free Ag/rGO nanocomposites were immobilized on the surface of polyester. This leads to attain the preserved array of nanocomposites for a long time. TEM, FESEM/EDX, XRD, XPS, cyclic voltammetry, catalytic activity and electrical resistivity were used to characterize Ag/rGO nanocomposites coated polyester fabric. Interestingly, sonoimmobilization of Ag/GO produced an even coating layer of nanocomposites on the polyester fabric. The prepared fabric can be used as a high active and stable nanocatalyst for reduction of 4-nitrophenol (4-NP) in water at room temperature. The created flexible and light fabric showed low electrical resistance and high catalytic activity, wherein sonoimmobilization of Ag/rGO treated samples indicated highest catalytic activity as 4-NP solution completely reduced to 4-AP with assistance of 2횞4 cm2 treated polyester after 25 min. On the other hand, introducing sonoprepared silver nanoparticles among graphene nanosheets led to significant lowering of electrical resistivity from 43 k廓/square in mechanical stirring methodto 2 k廓/square using ultrasound.

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  Cite this article

[IEEE Style]

A. Moazami, M. Montazer, M. K. Dolatabadi, "Reduction of 4-nitrophenol to 4-aminophenol over Sonoimmobilized Silver/Reduced Graphene Oxide Nanocomposites on Polyester Fabric," Fibers and Polymers, vol. 18, no. 12, pp. 2287-2297, 2017. DOI: fipo-2017-18-12-2287.

[ACM Style]

Atousa Moazami, Majid Montazer, and Mehdi Kamali Dolatabadi. 2017. Reduction of 4-nitrophenol to 4-aminophenol over Sonoimmobilized Silver/Reduced Graphene Oxide Nanocomposites on Polyester Fabric. Fibers and Polymers, 18, 12, (2017), 2287-2297. DOI: fipo-2017-18-12-2287.

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pISSN : 1229 - 9197
eISSN : 1875 - 0052

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