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Green and economical synthesis of graphene–silver nanocomposite exhibiting excellent photocatalytic efficiency

  • Carbon Letters
  • Abbr : Carbon Lett.
  • 2020, 30(2), pp.225-233
  • DOI : 10.1007/s42823-019-00091-3
  • Publisher : Korean Carbon Society
  • Research Area : Natural Science > Natural Science General > Other Natural Sciences General
  • Received : February 8, 2019
  • Accepted : September 24, 2019
  • Published : April 1, 2020

Chandu Basavaiah 1 Kurmarayuni Chandra Mohan 1 Kurapati Swarnalatha 1 Bollikolla Hari Babu 1

1Acharya Nagarjuna University

Accredited

ABSTRACT

The emergence of green methods for the synthesis of graphene-based composites became the gateway for the solution of pollution and economic synthetic methods. Herein, we reported a single step in situ synthesis of reduced graphene oxide sheets decorated with silver nanoparticles (CRG–Ag nanocomposite) using custard apple leaf extract as an efective reduc�ing and stabilizing agent. The ultraviolet–visible, Fourier transform infrared and Raman techniques revealed a primary confrmation about the formation of the said nanocomposite. The X-ray difraction studies confrmed the face-centred cubic crystal structure of silver nanoparticles (Ag NPs) of 30 nm in size. The high-resolution scanning electron microscope spectra revealed the uniform distribution of Ag NPs on the graphene sheets. This simple, novel and rapid approach enabled a facile production of homogeneously deposited Ag NPs on graphene sheets. Thus synthesized CRG–Ag nanocomposite showed excellent photocatalytic efciency of 96% in 2 h under sunlight using methylene blue as a model pollutant.

Citation status

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Total Citation Counts(KCI+WOS) (26) This is the number of times that the duplicate count has been removed by comparing the citation list of WoS and KCI.

Scopus Citation Counts (30) This is the result of checking the information with the same ISSN, publication year, volume, and start page between articles in KCI and the SCOPUS journals. (as of 2024-10-01)

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