Synthesis of Graphene Oxide using Modified Hummer’s Method and its Reduction using Hydrazine Hydrate
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International Journal of Engineering Trends and Technology (IJETT) | 
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| © 2016 by IJETT Journal | ||
| Volume-40 Number-2 |
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| Year of Publication : 2016 | ||
| Authors : Anu Saini, Ashok Kumar, Vijay Kumar Anand, Suresh Chander Sood |
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| DOI : 10.14445/22315381/IJETT-V40P211 |
Citation
Anu Saini, Ashok Kumar, Vijay Kumar Anand, Suresh Chander Sood"Synthesis of Graphene Oxide using Modified Hummer’s Method and its Reduction using Hydrazine Hydrate", International Journal of Engineering Trends and Technology (IJETT), V40(2),67-71 October 2016. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group
Abstract
Graphene is a hot area of research because
of its unique and remarkable properties. These
properties have invoked researchers to use this form
of carbon in various potential applications. One of the
bottlenecks in developing such application is mass
production of graphene. Hummer’s Method is one of
the easiest and economical methods to synthesize huge
amount of reduced graphene oxide (RGO) sheets.
Graphene Oxide (GO) was prepared from graphite
powder using modified Hummer’s method, followed
by reduction of exfoliated GO with hydrazine hydrate
which resulted in formation of high surface area two
dimensional structure consisting of RGO flakes and
nanosheets. To obtain porous and layered structure of
RGO, hydrothermal reduction was performed at an
elevated temperature. The synthesized reduced GO
was characterized by X-Ray Diffraction (XRD) and
Scanning Electron Microscope (SEM) to investigate
the morphological and physicochemical changes
occurred in exfoliated graphite. In XRD results, it was
found that 2?= 26.4° peak with interplanar spacing
(d002) of 0.335nm of graphite powder disappeared,
while another significant peak observed at 2? =11.95°
with interplanar spacing of 0.754 nm demonstrated
successful oxidation of graphite and formation of GO.
A diffraction peak obtained at 2? =22.5° clearly
indicated that upon hydrothermal reduction, reduced
GO flakes were formed. SEM results also support the
formation of RGO since particle size lies in
nanometric range (6-20 nm).
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Keywords
Exfoliation Reduced Graphene Oxide,
Hydrothermal Reduction, SEM, XRD, Substrate.