Preparation of sulfonated reduced graphene oxide by radiation - induced chemical reduction of sulfonated graphene oxide
(주)코리아스칼라
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- 2016.04.02
- 최종 저작일
- 2015.01
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서지정보
ㆍ발행기관 : 한국탄소학회
ㆍ수록지정보 : Carbon letters / 16권 / 1호
ㆍ저자명 : Chang-Hee Jung, Ji-Hyun Hong, Jin-Mook Jung, In-Tae Hwang, Chan-Hee Jung, Jae-Hak Choi
영어 초록
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 γ-ray irradiation at various absorbed doses to produce SRGO. The results of optical, chemical, and thermal analyses revealed that SRGO was successfully prepared by γ-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.
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