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New approach for the reduction of graphene oxide with triphenylphosphine dihalide

Authors
Shin, Hong-SukKim, Ki WoongKang, Yong-gooMyung, SungKim, Jong SeungAn, Ki-SeokLee, Ill YoungLee, Sun Sook
Issue Date
2016
Publisher
ROYAL SOC CHEMISTRY
Citation
RSC ADVANCES, v.6, no.23, pp.18809 - 18813
Indexed
SCIE
SCOPUS
Journal Title
RSC ADVANCES
Volume
6
Number
23
Start Page
18809
End Page
18813
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/90310
DOI
10.1039/c5ra26046a
ISSN
2046-2069
Abstract
We developed a one-flask method for the thermal reduction of graphene oxide (GO) with triphenylphosphine dihalide (Ph3PX2) at 180 degrees C. Our approach offers a potential to cost-effective mass-production of graphene nanosheets under mild and environmentally friendly conditions and to avoid the use of strong acids or reducing agents. Significantly, this reduced graphene oxide (rGO) by utilizing a Ph3PX2 reductant has a C/O ratio higher than 15 and an electrical conductivity of 400 S cm (1), which indicate that this synthetic method allows us to achieve graphene nanosheets with high quality when comparing with previous reduction methods.
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