Nano Science and Technology Institute
Nanotech 2009 Vol. 1
Nanotech 2009 Vol. 1
Nanotechnology 2009: Fabrication, Particles, Characterization, MEMS, Electronics and Photonics
Chapter 2: Nanoparticles

Impedance of Nanoparticles Embedded Electrospun Nanofiber

Authors:M. Chung, J.W. Lan, H.Y. Lin, T.W. Suen, S.H. Cheng
Affilation:Southern Taiwan University, TW
Pages:178 - 179
Keywords:electrospinning, nanofiber, nanoparticle, impedance
Abstract:Electrospinning produces nanofibers with diameters ranging from 100-500 nm under 10-20 KV at 10-20 cm distances, and if these nanofibers were composed of polymers like PVA or PVP, they are usually nonconductive with resistances too larger to measure on ordinary meter. One way to change the conductivity of nanofibers is to add nanoparticles. We produce Fe3O4 nanoparticles with polyol method, and mix these nanoparticles with diameters ranging from 30-100 nm into electrospinning process on a double knife edge receptor set up. We found the current between the two knife edge of 0.005 g of nanofibers is around 20 nA at 50 V bias, and based on estimations of nanofiber diameter and number, the resistance of each individual nanoparticles containing nanofibers can be estimated.
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