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Fabrication of Chemiluminescence Sensor Based on Conducting [email protected]2/Nafion Composite Film

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Tris(2,2′-bipyridyl)ruthenium (II) (Ru(bpy)2+ 3) electrogerated chemiluminescence (ECL) sensor was fabricated by immobilization of Ru(bpy)2+ 3 complex on conducting [email protected]2/Nafion composite film on surface of glassy carbon electrode. The conducting [email protected]2 nanocomposites were prepared by coating polyaniline (PANI), polypyrrole (PPy), and polythiophene (PTh) on the surface of the SiO2 sphere. The conducting [email protected]2 nanocomposite was characterized by scanning electron microscopy (SEM), Transmission electron microscopy (TEM), and atomic force microscopy (AFM). The sensitivity and reproducibility of the prepared ECL sensor to tripropylamine (TPA) was evaluated. As a result, the [email protected]2 composite electrode exhibited high sensitivity and good reproducibility compared to that obtained with [email protected]2 and [email protected]2 composite electrodes because of the strong interaction between [email protected]2 and Ru(bpy)2+ 3 complex.
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Keywords: CHEMILUMINESCENCE; COMPOSITE FILM; CONDUCTING POLYMER COMMAT SIO2; RU(BPY)2+3

Document Type: Research Article

Publication date: 01 October 2010

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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