Nano Archive

Optical and electrical properties of indium tin oxide nanofibers prepared by electrospinning

Munir, Muhammad Miftahul and Iskandar, Ferry and Yun, Ki Myoung and Okuyama, Kikuo and Abdullah, Mikrajuddin (2008) Optical and electrical properties of indium tin oxide nanofibers prepared by electrospinning. NANOTECHNOLOGY, 19 (14).

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Indium tin oxide (ITO) nanofibers were successfully prepared via an electrospinning method, followed by annealing at 400 degrees C. Mixed solutions of ITO nanoparticle sol and polyethylene oxide (PEO) were used as precursors of the nanofibers. The PEO decomposed during annealing to yield ITO fibers. The fibers were characterized by scanning electron microscopy (SEM), x-ray diffraction (XRD), thermo-gravimetric/differential thermal analysis (TG/DTA), UV-vis spectrophotometry and four-probe resistivity measurements. The diameter of the prepared fibers was controlled by adjusting the flow rate and the applied electric current. In2O3 crystallized in the ITO nanofibers with a crystallite size of 27 nm. The optical transmittance in the visible region approached 90% in films deposited for 5 min, confirming that the nanofiber film is still transparent in the optical region. The sheet resistance of the nanofiber film was linearly dependent on the inverse of the deposition time and on the PEO/ITO ratio.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Material Science > Nanostructured materials
ID Code:1383
Deposited By:Anuj Seth
Deposited On:09 Dec 2008 11:23
Last Modified:09 Dec 2008 11:23

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