Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/36361
Title: Fabrication of 3D polypyrrole/graphene oxide composite hydrogels with high performance swelling properties
Authors: She, X
Sun, PL
Yu, XH
Zhang, Q
Wu, YG
Li, L
Huang, YN
Shang, SM 
Jiang, SX 
Keywords: Composites
Hydrogel
Polypyrrole
Graphene oxide
Issue Date: 2014
Publisher: Springer
Source: Journal of inorganic and organometallic polymers and materials, 2014, v. 24, no. 5, p. 884-889 How to cite?
Journal: Journal of inorganic and organometallic polymers and materials 
Abstract: The polypyrrole (PPy)/graphene oxide (GO) composite hydrogels with hierarchical porous structures were fabricated by one-step self-assembly method. The static oxidation polymerization of pyrrole monomer in GO aqueous solution resulted in the formation of three-dimensional (3D) PPy/GO composite hydrogels, which consisted of one-dimensional PPy nanofibers and two-dimensional GO nanosheets. The as-prepared composite hydrogels exhibited shrinking-swelling behavior with cycles of suction and water-supplying. The effects of GO nanosheets content on the swelling properties were investigated. Results showed that the well-dispersed GO nanosheets in the hydrogel networks resulted in a significant improvement in water absorbencies of the hydrogels. PPy/GO composite hydrogels exhibited unobvious variation in the water absorbency even in saline solutions. Such excellent properties in water absorbencies endow the conducting 3D PPy/GO composite hydrogels with great potential applications in electrochemical sensors or controlled release.
URI: http://hdl.handle.net/10397/36361
ISSN: 1574-1443 (print)
1574-1451 (online)
DOI: 10.1007/s10904-014-0062-8
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