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Creating Metal Nanoparticle-Reduced Graphene Oxide Sheets by a Simple Desktop Method

Published online by Cambridge University Press:  08 October 2015

Rebecca Isseroff ,
Arthur Chen ,
Lee Blackburn ,
Justin Lish ,
Jessica Kim ,
Andrew Chen ,
Tae Jin Kim ,
Molly Gentleman  and
Miriam Rafailovich
Rebecca Isseroff
Affiliation:
Dept. of Materials Science and Engineering, SUNY Stony Brook, Stony Brook, NY 11794, United States Lawrence High School, Cedarhurst, NY, United States
Arthur Chen
Affiliation:
Lawrence High School, Cedarhurst, NY, United States
Lee Blackburn
Affiliation:
Lawrence High School, Cedarhurst, NY, United States
Justin Lish
Affiliation:
Hebrew Academy of the Five Towns and Rockaways, Cedarhurst, NY, United States
Jessica Kim
Affiliation:
Manhasset High School, Manhasset NY 11030, United States
Andrew Chen
Affiliation:
Rice University, Houston, TX 77251, United States
Tae Jin Kim
Affiliation:
Dept. of Materials Science and Engineering, SUNY Stony Brook, Stony Brook, NY 11794, United States
Molly Gentleman
Affiliation:
Dept. of Materials Science and Engineering, SUNY Stony Brook, Stony Brook, NY 11794, United States
Miriam Rafailovich
Affiliation:
Dept. of Materials Science and Engineering, SUNY Stony Brook, Stony Brook, NY 11794, United States
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Abstract

We have previously reported on a simple desktop method for producing high quality reduced graphene oxide sheets (RGO) which involved dispersing graphene oxide in an ethanol-water solvent and reducing it with sodium borohydride. Metal salts can also be potent reducing agents. Here we show that when these salts are incorporated into the reduction process, metalized graphene sheets can be formed. Metallic salts were used to form Au, Pt, and AuPt nanoplatelets incorporated into the graphene structure. The nature of these metalized graphene platelets was then examined using FTIR, TEM, and SEM/EDAX. Raman spectroscopy of metalized graphene samples show peak shifts and increased D/G ratios over pure graphene, indicating an increased number of defects in the material and suggesting an attachment of metal atoms to the graphene surface. By using a minimum of metal while maximizing the surface contact area of the graphene sheet, these nanoparticle-RGO composites have potential for use in energy-producing devices and/or as catalysts.

Keywords

nanostructurescanning electron microscopy (SEM)transmission electron microscopy (TEM)
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1727: Symposium K – Graphene and Graphene Nanocomposites , 2015 , mrsf14-1727-k20-01
Copyright
Copyright © Materials Research Society 2015 

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References

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