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Syntheses of Titania and Poly(3,4-ethylenedioxythiophene) Bilayer Nanotubes

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Synthesis of bilayer tubes of poly(3,4-ethylenedioxythiophene) (PEDT) and titania by electrochemical polymerization of PEDT and chemical deposition of titania in the pores of anodic alumina was reported. Electron diffraction, scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS), and fourier transformed infrared spectroscopy (FTIR) were used to characterize these bilayer tubes. SEM photographs show the tubes of uniform diameters around 200 nm. TEM photographs confirm the formation of titania and PEDT bilayer tubes of 230 nm and 100 nm diameter, the thickness of outside TiO2 layer and inner PEDT layer are around 20 nm under the experimental condition. The XPS spectra of the bilayer tubes show that the Ti2p peak shifts to a lower binding energy and S2p peak shifts to a higher binding energy. Electron diffraction patterns show that TiO2 nanotubes formed was single crystals of anatase phase. I–V characteristic curves were measured for samples prepared under various conditions.


Document Type: Research Article


Publication date: 2006-12-01

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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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