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http://dx.doi.org/10.7234/composres.2015.28.5.265

Preparation of Amine-functionalized Graphene Fiber and Its Application  

Lee, Wonoh (Composites Research Division, Korea Institute of Materials Science (KIMS))
Yoon, Sang Su (Composites Research Division, Korea Institute of Materials Science (KIMS))
Um, Moon-Kwang (Composites Research Division, Korea Institute of Materials Science (KIMS))
Lee, Jea Uk (Center for Carbon Resources Conversion, Korea Research Institute of Chemical Technology (KRICT))
Publication Information
Composites Research / v.28, no.5, 2015 , pp. 265-269 More about this Journal
Abstract
Development of simple and efficient method for large-scale production of mechanically strong and electrically conductive graphene fiber is highly desirable for practical applications, such as fiber-reinforced composites, wearable electronics, and electromagnetic irradiation shielding. Here, we present a facile approach for the preparation of amine-functionalized graphene fibers by simple wet-spinning of diamine-functionalized graphene oxide (GO-$NH_2$), which is used because of its synthetic convenience, good dispersity, and scalable production with low cost. The amine-functionalized graphene fiber shows high electrical and mechanical properties compared to pristine graphene oxide fiber due to the electrostatic interaction between amine groups and electronegative functional groups of graphene oxide.
Keywords
Diamine; Graphene oxide; Graphene fiber; Wet-spinning; Wearable electronics;
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