Fabrication of Electrospun Nano-Fibers and Applications to ElectronicDevices

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Various polymer nanofibers were fabricated using electrospinning method with a copper wire in the capillary tube as an electrode, and fundamental device applications have been investigated using the fibers. A soluble carbazole precursor polymer with gold nanoparticles was fabricated using this method and then was cross-linked by applying potential cycles to be converted to conjugated polymer fibers. The fluorescence from the conjugated fibers was dependent on the rate of the conversion, doping and the amount of gold nanoparticles. A biosensor using electrospun fibers detecting human immunoglobulin G was fabricated utilizing long-range surface plasmon resonance with stronger evanescent waves than that of conventional surface plasmon, and the sensing property was shown for the biosensor.