Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.3580762
Title: Electrical current mediated interconversion between graphene oxide to reduced grapene oxide
Authors: Teoh, H.F.
Tao, Y.
Tok, E.S. 
Ho, G.W. 
Sow, C.H. 
Issue Date: 25-Apr-2011
Citation: Teoh, H.F., Tao, Y., Tok, E.S., Ho, G.W., Sow, C.H. (2011-04-25). Electrical current mediated interconversion between graphene oxide to reduced grapene oxide. Applied Physics Letters 98 (17) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.3580762
Abstract: In this work, we demonstrate that graphene oxide (GO) can be reversibly converted to reduced-graphene-oxide (rGO) through the use of electric current. Strong electric field could cause ionization of water molecules in air to generate H+ ions at cathode, causing GO to be reduced. When the bias is reversed, the same electrode becomes positive and OH- ions are produced. According to Le Chatelier Principle, it then favors the reverse reaction, converting rGO back to GO, GO+2H+ +2 e- =>rGO+ H 2 O. X-ray spectroscopy and Raman spectroscopy were carried to verify the conversion reversibility in the reversed process. © 2011 American Institute of Physics.
Source Title: Applied Physics Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/82249
ISSN: 00036951
DOI: 10.1063/1.3580762
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