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Anodic exfoliation of graphene in various aqueous electrolytes

ElectroGraph
 
: Siong, Victor; Kosidlo, Urszula; Matis, Martin; Glanz, Carsten; Kolaric, Ivica

:
Poster urn:nbn:de:0011-n-2468163 (1.3 MByte PDF)
MD5 Fingerprint: dc97c7c40aa902222f60aa45985395ac
Created on: 27.6.2013


Fraunhofer-Institut für Produktionstechnik und Automatisierung -IPA-, Stuttgart:
ElectroGraph Dissemination Workshop 2012 : November 16th, 2012, Stuttgart
Stuttgart, 2012
1 pp.
ElectroGraph Dissemination Workshop <2012, Stuttgart>
European Commission EC
FP7-NMP; 266391; ELECTROGRAPH
English
Poster, Conference Paper, Electronic Publication
Fraunhofer IPA ()
graphene; nanotechnology; ElectroGraph; exfoliation; Elektrolyt

Abstract
The poster discusses the principles of producing graphene through electrochemical exfoliation route. The electrochemical exfoliation processes were performed in several classes of electrolytes, namely: (I) polyelectrolytes (II) hydroxides (III) conjugated base and (IV) carboxylic acid, and at different applied voltages. The rate of exfoliation in each electrolyte was shown and the highest rate was presented by a polyelectrolyte PSS. It was also uncovered through the experiments that the exfoliation process was greatly hydroxide assisted. The sheet conductivities of the exfoliated materials were also shown as an estimate of the degree to which they have been oxidised during the process.

: http://publica.fraunhofer.de/documents/N-246816.html