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Title: One-step assembly of polypyrrole-graphene oxide nanocomposite sponges
Authors: Sun, P
Wang, Y
Yu, X
Zhang, Q
Wu, Y
Li, L
Shang, S 
Jiang, S 
Keywords: Graphene oxide
Issue Date: 2014
Publisher: American Scientific Publishers
Source: Nanoscience and nanotechnology letters, 2014, v. 6, no. 12, p. 1102-1106 How to cite?
Journal: Nanoscience and nanotechnology letters 
Abstract: We demonstrate a facile one-step route to synthesize polypyrrole (PPy)/graphene oxide (GO) nanocomposite sponges. PPy nanoparticles and GO nanosheets are self-assembled into a welldefined and interconnected three-dimensional porous network through π- π interaction during the static polymerization of pyrrole monomers in the presence of GO nanosheets. PPy nanoparticles with the size range of 30-70 nm are uniformly dispersed on the GO surface in the three-dimensional network. The effect of GO nanosheets concentration on the water absorbency of the PPy/GO nanocomposite sponge was investigated. The results show that PPy/GO nanocomposite sponges possess improved water absorbency in distilled water as well as in saline solution. The as-prepared PPy/GO nanocomposite sponge may be a potential candidate in the fields of tissue engineering, biosensors, and controlled release.
ISSN: 1941-4900
DOI: 10.1166/nnl.2014.1885
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