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Growth of One-Dimensional Polyindole Nanostructures

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Abstract:

One-dimensional (1D) nanostructured polyindole (Nano-Pind) was synthesized with 10 minutes (Pind-10 m) and 24 hours (Pind-24 h) of polymerization time using a facile chemical oxidative polymerization method. The obtained Nano-Pinds were explored to study the differences in their structural, optical, spectral and conducting properties with regard to the variation in polymerization duration. Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) reveal formation of long and smooth surfaced 1D nanostructures of Pind with diameter of ∼25–125 nm and lengths of several microns. Structural chemical analysis of the Nano-Pinds conducted by Fourier Transform Infrared (FTIR), Nuclear Magnetic Resonance (NMR) and Fluorescence spectroscopic measurements support their formations, thereby indicating Pind-24 h to exhibit sharper and far better resolved spectral profile than that of Pind-10 m. The Nano-Pinds exhibit good blue-light emitting property, and improved Electrical Conductivity (EC) than earlier reported globular Pinds, suggesting their potential applications in nanotechnology, especially in the field of optoelectronics. To the best of our knowledge, this is the first report on 1D nanostructures of Pind.

Keywords: CONJUGATED POLYMERS; MORPHOLOGY; NANOTECHNOLOGY; OPTICAL AND ELECTRICAL PROPERTIES; POLYINDOLE

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2011.4993

Publication date: November 1, 2011

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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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