NDLI: Preparation of poly(<i>N</i>-acetylaniline)–Prussian blue hybrid composite film and its application to hydrogen peroxide sensing

Content Provider	Royal Society of Chemistry (RSC)
Author	Wu, Shouguo Zhao, Qiping Zhang, Zhixin Yao, Yao Zhou, Lei Xu, Haihong
Copyright Year	2014
Abstract	A poly(N-acetylaniline)–Prussian blue (PNAANI–PB) hybrid composite film was prepared by co-electrodeposition. Using a spontaneous redox reaction, the PNAANI–PB hybrid film was prepared electrochemically by cyclic voltammetry in an electroplating bath containing a low concentration of N-acetylaniline. Its surface morphology showed that the PB nanoparticles in the hybrid film had a smaller size than those in the pure PB film. As a result of electrostatic interaction between the PNAANI and the PB particles, the PNAANI–PB hybrid film displays impressive synergistic effects that remarkably enhance its sensitivity, expand its linear range and broaden its acidic adaptability in the detection of H2O2. The hybrid film displays good stability in neutral solution, in contrast to the pure PB film, with a linear range from 10−6 to 10−3 M and a high sensitivity of 507.29 μA mM−1 cm−2 for H2O2 detection. An amperometric glucose biosensor was constructed by immobilizing glucose oxidase on the hybrid film. The biosensor showed an excellent response to glucose in the linear range 10−5–10−3 M and had a high sensitivity of 62.45 μA mM−1 cm−2. The glucose biosensor had a rapid response, good reproducibility and long-term stability and was free of interference from other coexisting electroactive species.
Starting Page	8003
Ending Page	8010
Page Count	8
File Format	HTM / HTML PDF
ISSN	17599660
Volume Number	6
Issue Number	19
Journal	Analytical Methods
DOI	10.1039/c4ay01018c
Language	English
Publisher	Royal Society of Chemistry
Access Restriction	Open
Subject Keyword	Composite film Cyclic voltammetry Glucose oxidase Hydrogen peroxide Biosensor Redox Prussian blue Glucose Electroplating
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Engineering Chemical Engineering

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