Electronic polymers nanofiber

The polymer resulting from oxidation of 3,5-dimethyl aniline with palladium was also studied by transmission electron microscopy (Mallick et al. 2005). As it turned out, the polymer was formed in nanofibers. During oxidative polymerization, palladium ions were reduced and formed palladium metal. The generated metal was uniformly dispersed between the polymer nanofibers as nanoparticles of 2 mm size. So, Mallick et al. (2005) achieved a polymer- metal intimate composite material. This work should be juxtaposed to an observation by Newman and Blanchard (2006) that reaction between 4-aminophenol and hydrogen tetrachloroaurate leads to polyaniline (bearing hydroxyl groups) and metallic gold as nanoparticles. Such metal nanoparticles can well be of importance in the field of sensors, catalysis, and electronics with improved performance. 

Figure 4.6 Conductivity/temperature relationship for a 72 wt% blend fiber of Pan.HCSA in PEO. (Reprinted with permission from Synthetic Metals, Electrostatically-generated nanofibers of electronic polymers by A. G. MacDiarmid, W. Jones Jr., I. D. Norris et al., 119, 27-30. Copyright (2001) Elsevier Ltd)...

Electrospun nanofibers with electrical and electro-optical activities have received a great deal of interest in recent years because of their potential applications in nanoscale electronic and optoelectronic devices, for example nanowires, LEDs, photocells etc. Besides, one-dimensional (1-D) nanostmctures are the smallest dimensional stmctures for efficient transport of electrons and optical excitations. One of the potential future apphcations of conducting polymer nanofibers is as molecular wires, which are required to connect molecular devices to electrodes. For molecular devices, it is necessary to make nanowires with diameters in the order of the size of the molecular device. 

In this section we will discuss the transport features of polymer nanofibers and tubes characteristic of 1D systems. It is known that electron-electron interactions (EEIs) are strongly affecting the transport in ID systems by leading to phases different from conventional Fermi liquid, namely the repulsive short-range... 

MacDiarmid, A.G., et al. 2001. Electrostatically-generated nanofibers of electronic polymers. Synth Met 119 27. 

Conducting electronic polymers, their blends and conventional polymers are fabricated into nanofibers by a nonmechanical, electrostatic dispersion method. 

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