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A Novel Chemical Synthesis >1 μm2 Reduced Graphene Oxide Sheets

Published online by Cambridge University Press:  30 March 2012

Rebecca Isseroff ,
Paul Masih Das ,
Andrew Chen ,
Alexandra Tse ,
Sneha Chittabathini ,
Yimei Zhu ,
Vadim Pozin ,
Jonathan Sokolov  and
Miriam Rafailovich
Rebecca Isseroff*
Affiliation:
Lawrence High School, Cedarhurst, NY 11516 USA
Paul Masih Das
Affiliation:
Johns Hopkins University, Department of Materials Science and Engineering, Baltimore, MD 21218 USA
Andrew Chen
Affiliation:
Lawrence High School, Cedarhurst, NY 11516 USA
Alexandra Tse
Affiliation:
Lawrence High School, Cedarhurst, NY 11516 USA
Sneha Chittabathini
Affiliation:
Lawrence High School, Cedarhurst, NY 11516 USA
Yimei Zhu
Affiliation:
Center for Functional Nanomaterials, Brookhaven National Laboratory, Brookhaven, NY 11719 USA
Vadim Pozin
Affiliation:
Stony Brook University, Department of Materials Science and Engineering, Stony Brook, NY 11794 USA.
Jonathan Sokolov
Affiliation:
Stony Brook University, Department of Materials Science and Engineering, Stony Brook, NY 11794 USA.
Miriam Rafailovich
Affiliation:
Stony Brook University, Department of Materials Science and Engineering, Stony Brook, NY 11794 USA.
*
*Correspondence to: Rebecca Isseroff (Email: rsisseroff@gmail.com)
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Abstract

If graphene is to be incorporated into transistors, solar cells, and capacitors, a large-scale synthesis of graphene must be devised. This research developed an innovative, simple, and cost-efficient synthesis procedure, dispersing graphene oxide in an ethanol-water solvent and reducing slowly with sodium borohydride (NaBH4). Reducing graphene oxide in 75:25 and 50:50 H2O:ethanol solutions with 15 mmolar NaBH4 produced numerous single-layered reduced graphene oxide sheets >1 μm2, and sometimes even >2 μm2. The quality of these sheets was confirmed by Raman spectroscopy, XRD, TGA, TEM, ED, and HRTEM.

Keywords

chemical synthesisethanolelectronic material
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1390: Symposium H/I – Organic Photovoltaics–Materials to Devices , 2012 , mrsf11-1390-h13-91
Copyright
Copyright © Materials Research Society 2012

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References

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