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Ag-Doped Multiwalled Carbon Nanotube/Polymer Composite Electrodes

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Abstract:

Two types of carbon nanotube (CNT) based films were fabricated by adsorbing two different types of multiwalled carbon nanotubes (MWCNTs) on bacterial cellulose membrane templates. A bacterial cellulose membrane consists of ribbon-shaped nanofibrils that are arranged to form a porous 3D network. These characteristics lead to the uniform deposition of MWCNTs on the membrane structure and the final CNT based films with high surface areas. Two types of MWCNTs were used: (1) MWCNTs that had been purified by an acid treatment and (2) Ag-doped MWCNTs, which consisted of MWCNTs with Ag nanoparticles attached to their surfaces. The morphologies of the Ag-doped MWCNTs and CNT based films were examined using transmission electron microscopy. In addition, the electrical conductivity and electrochemical properties of the CNT based films were measured using a four-point probe and a cyclic voltammeter, respectively. The cyclic voltammetry data showed that the Ag particles attached to the MWCNT surfaces influenced the electrochemical properties of the CNT based films.

Keywords: BACTERIAL CELLULOSE; CARBON NANOTUBES; SILVER NANOPARTICLE

Document Type: Research Article

DOI: https://doi.org/10.1166/jnn.2010.2232

Publication date: 2010-05-01

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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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