4.7 Article

A coagulation technique for purification of graphene sheets with graphene-reinforced PVA hydrogel as byproduct

Journal

JOURNAL OF COLLOID AND INTERFACE SCIENCE
Volume 348, Issue 2, Pages 384-387

Publisher

ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jcis.2010.04.054

Keywords

Graphene; Purification; Coagulation; PVA hydrogels

Funding

  1. Korean Government [R0A-2008-000-20012-0, 2009-0078082]
  2. National Research Foundation of Korea [2009-0078082, R0A-2008-000-20012-0] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)

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A simple and rapid coagulation method to separate graphene from partially or incompletely reduced graphene oxide is developed in this study. Our isolation technique is not only simple and effective but also can be applied to a quality control in graphene production. Interestingly, the byproduct of our technique is valuable graphene-reinforced PVA hydrogel. (C) 2010 Elsevier Inc. All rights reserved.

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