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Proceedings Paper

Synthesis and characterization of graphene/cellulose nanocomposite
Author(s): Abdullahil Kafy; Mithilesh Yadav; Kishor Kumar; Kishore Kumar; Seongcheol Mun; Xiaoyuan Gao; Jaehwan Kim
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Paper Abstract

Cellulose is one of attractive natural polysaccharides in nature due to its good chemical stability, mechanical strength, biocompatibility, hydrophilic, and biodegradation properties [1-2]. The main disadvantages of biopolymer films like cellulose are their poor mechanical properties. Modification of polymers with inorganic materials is a new way to improve polymer properties such as mechanical strength [3-4]. Presently, the use of graphene/graphene oxide (GO) in materials research has attracted tremendous attention in the past 40 years in various fields including biomedicine, information technology and nanotechnology[5-7]. Graphene, a single sheet of graphite, has an ideal 2D structure with a monolayer of carbon atoms packed into a honeycomb crystal plane. Using both experimental and theoretical scientific research, researchers including Geim, Rao and Stankovich [8-10] have described the attractiveness of graphene in the materials research field. Due to its sp2 hybrid carbon network as well as extraordinary mechanical, electronic, and thermal properties, graphene has opened new pathways for developing a wide range of novel functional materials. Perfect graphene does not exist naturally, but bulk and solution processable functionalized graphene materials including graphene oxide (GO) can now be prepared [11-13].The large surface area of GO has a number of functional groups, such as -OH, -COOH, -O- , and C=O, which make GO hydrophilic and readily dispersible in water as well as some organic solvents[14] , thereby providing a convenient access to fabrication of graphene-based materials by solution casting. According to several reports [15-17], GO can be dispersed throughout a selected polymer matrix to make GO-based nanocomposites with excellent mechanical and thermal properties. Since GO is prepared from low-cost graphite, it has an outstanding price advantage over CNTs, which has encouraged studies of GO/synthetic polymer composites [18-20]. In some reported papers, graphene oxide has also been used to reinforce polysaccharide matrices such as carboxymethyl cellulose-starch[21]. Here, we report a simple and environmentally benign preparation of GO/cellulose nanocomposite films by a simple solution mixing-curing method.

Paper Details

Date Published: 16 April 2014
PDF: 6 pages
Proc. SPIE 9060, Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014, 906008 (16 April 2014); doi: 10.1117/12.2044964
Show Author Affiliations
Abdullahil Kafy, Inha Industrial Technology Complex (Korea, Republic of)
Mithilesh Yadav, Inha Industrial Technology Complex (Korea, Republic of)
Kishor Kumar, Inha Industrial Technology Complex (Korea, Republic of)
Kishore Kumar, Inha Industrial Technology Complex (Korea, Republic of)
Seongcheol Mun, Inha Industrial Technology Complex (Korea, Republic of)
Xiaoyuan Gao, Inha Industrial Technology Complex (Korea, Republic of)
Jaehwan Kim, Inha Industrial Technology Complex (Korea, Republic of)

Published in SPIE Proceedings Vol. 9060:
Nanosensors, Biosensors, and Info-Tech Sensors and Systems 2014
Vijay K. Varadan, Editor(s)

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