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Preparation of sulfonated reduced graphene oxide by radiation-induced chemical reduction of sulfonated graphene oxide
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  • Journal title : Carbon letters
  • Volume 16, Issue 1,  2015, pp.41-44
  • Publisher : Korean Carbon Society
  • DOI : 10.5714/CL.2015.16.1.041
 Title & Authors
Preparation of sulfonated reduced graphene oxide by radiation-induced chemical reduction of sulfonated graphene oxide
Jung, Chang-Hee; Hong, Ji-Hyun; Jung, Jin-Mook; Hwang, In-Tae; Jung, Chan-Hee; Choi, Jae-Hak;
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We report the preparation of sulfonated reduced graphene oxide (SRGO) by the sulfonation of graphene oxide followed by radiation-induced chemical reduction. Graphene oxide prepared by the well-known modified Hummer`s method was sulfonated with the aryl diazonium salt of sulfanilic acid. Sulfonated graphene oxide (SGO) dispersed in ethanol was subsequently reduced by -ray irradiation at various absorbed doses to produce SRGO. The results of optical, chemical, and thermal analyses revealed that SRGO was successfully prepared by -ray irradiation-induced chemical reduction of the SGO suspension. Moreover, the electrical conductivity of SRGO was increased up to 2.94 S/cm with an increase of the absorbed dose.
sulfonated reduced graphene oxide;graphene oxide;sulfonation;reduction;-ray irradiation;
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