✦ LIBER ✦

Rhombic Polyaniline Microsheets Constituted of Nanoparticles: Synthesis and Application to the Detection of Dopamine

✍ Scribed by Xiuhua Wang; Mingwang Shao; Li Liu; Guang Shao

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 136 KB
Volume: 28
Category: Article
ISSN: 0256-7660
DOI: 10.1002/cjoc.201090098

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✦ Synopsis

Abstract

Rhombic polyaniline microsheets constituted of nanoparticles with the average diameter of 130 nm were synthesized and characterized by SEM, XRD and FTIR spectroscopy. A glassy carbon electrode modified with such rhombic polyaniline microsheets was fabricated and employed to detect dopamine via cyclic voltammetry, which displayed excellent electrochemical stability and sensitivity compared with the bare electrode. A linear relationship between the concentrations of dopamine and its oxidation peak currents was obtained. The proposed method was simple and economical in terms of the electrochemical method and apparatus.

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