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    Producing Conductive Graphene-Nanocellulose Paper in One-pot

    Year: 2019

    Journal: J. Polym. Environ., Volume 27, JAN, page 148–157

    Authors: Wang, Ruibin; Ma, Qianli; Zhang, Huilong; Ma, Zhengqiang; Yang, Rendang; Zhu, J. Y.

    Organizations: US Forest Service, USDA Agriculture and Food Research Initiative (AFRI) Competitive [2011-67009-20056]; Chinese Scholarship Council (CSC)China Scholarship Council

    Keywords: One-pot; Graphene oxide; Cellulose; Conductive paper; Thermal stablility

    This paper reports a facile one-pot method to produce graphene oxide nanocellulose composite (GNCC) that was subsequently reduced using l-ascorbic acid to form a conductive paper (CP). Cellulose fibers were directly added into the reaction system during graphite exfoliation using sulfuric acid to produce cellulose nano- or microfibrils through acid hydrolysis along with mechancial mixing. FTIR and Raman analyses indicated that reduction using l-ascorbic acid efficiently produced a well-deoxygenated CP with high conductivity of 116.3 +/- 1.5 S m(-1) at 20% graphene oxide loading. Furthermore, the presence of cellulose nano- or microfibrils improved CP thermal stability with onset degradation T (onset) of 319 A degrees C as well as mechanical properties with a specific tensile of 19 N mg(-1). This one-pot method substantially simplified the GNCC production process and has practical significance.
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