Alignment of Polymeric Nanofibers Using a Filtering Effect
Abstract:One-dimensional nanostructures that play an important role as ideal building blocks for hierarchical assemblies, such as nanowires, nanofibers, and nanotubes, have attracted much attention because of their significance for fundamental investigations and their peculiar electrical, optical, and mechanical properties. In this work, by adding auxiliary parallel electrodes to a previously known electro-spinning process, we have developed an electro-spinning technology that can achieve the spatial alignment of nanofibers on various types of electrodes. The auxiliary electrodes played an important role as a filter, because any disordered nanofibers that can potentially disrupt the orientation were deposited on them. In addition to their filtering capability, the auxiliary parallel electrodes elongated any nonfiltered nanofibers into a long and straight configuration. Using our method, we have achieved better fiber alignment without the aid of elaborate controls for the flow rate or deposition time.
Document Type: Research Article
Publication date: 2008-10-01
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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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