Journal
JOURNAL OF POLYMERS AND THE ENVIRONMENT
Volume 27, Issue 1, Pages 148-157Publisher
SPRINGER
DOI: 10.1007/s10924-018-1330-4
Keywords
One-pot; Graphene oxide; Cellulose; Conductive paper; Thermal stablility
Categories
Funding
- US Forest Service, USDA Agriculture and Food Research Initiative (AFRI) Competitive [2011-67009-20056]
- Chinese Scholarship Council (CSC)
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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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