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, doi: 10.1007/s11671-008-9182-9.

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Title Ionic liquid-assisted synthesis of polyaniline/gold nanocomposite and its biocatalytic application
Author(s) Yang, WenrongORCID iD for 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
Total pages 5
Publisher Springer Verlag New York
Place of publication Seacaucus, NJ
Publication date 2008-11
ISSN 1556-276X
Keyword(s) ionic liquid
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
DOI 10.1007/s11671-008-9182-9
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
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