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Ionic liquid-assisted synthesis of polyaniline/gold nanocomposite and its biocatalytic application

Yang, Wenrong, Liu, Jingquan, Zheng, Rongkun, Liu, Zongwen, Dai, Yun, Chen, Guonan, Ringer, Simon and Braet, Filip 2008, Ionic liquid-assisted synthesis of polyaniline/gold nanocomposite and its biocatalytic application, Nanoscale research letters, vol. 3, no. 11, pp. 468-472.

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Title Ionic liquid-assisted synthesis of polyaniline/gold nanocomposite and its biocatalytic application
Author(s) Yang, Wenrong
Liu, Jingquan
Zheng, Rongkun
Liu, Zongwen
Dai, Yun
Chen, Guonan
Ringer, Simon
Braet, Filip
Journal name Nanoscale research letters
Volume number 3
Issue number 11
Start page 468
End page 472
Publisher Springer Verlag New York
Place of publication Seacaucus, NJ
Publication date 2008-11
ISSN 1556-276X
Keyword(s) ionic liquid
nanocomposite
biocatalytic application
Summary In this report, a novel chemical synthesis of polyaniline/gold nanocomposite is explored using ionic liquid (IL) 1-Butyl-3-methylimidazolium hexafluorophosphate. The direct chemical synthesis of polyaniline/gold nanocomposite was initiated via the spontaneous oxidation of aniline by AuCl4 − in IL. A nearly uniform dispersion of polyaniline/Au particles with a diameter of 450 ± 80 nm was produced by this method, which indicates that this method is more suitable for controlling particle dimensions. It was also found that the electrical conductivity of the polyaniline/gold nanocomposite was more than 100 times higher than that of the pure polyaniline nanoparticles. The polyaniline/gold nanocomposite displays superior function in the biocatalytic activation of microperoxidase-11 because of the high surface area of the assembly and the enhanced charge transport properties of the composite material. We also report the possible application of polyaniline/gold nanocomposite as a H2O2 biosensor.
Language eng
Field of Research 100703 Nanobiotechnology
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©2008, Springer
Persistent URL http://hdl.handle.net/10536/DRO/DU:30034973

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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