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20 August 2009 Novel fabrication and optoelectronic property of semiconductor filaments by optical-fiber thermal drawing
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Abstract
One dimensional nanostructure such as nanowires is typically fabricated by the wafer-based approach. Here we report nanowires are fabricated by thermal drawing of fiber. A thin viscous semiconductor film internal to the fiber undergoes filamentation driven by a fluid instability while retaining longitudinal structural integrity. Arrays of centimeter-long crystalline nanowires by post-drawing crystallization process are electrically contacted and yield a two-order-of-magnitude change in conductivity between dark and illuminated states. These results hold promise for the nanowire-detector arrays that may be integrated with large-area electronics.
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D. S. Deng, N. Orf, A. F. Abouraddy, and Y. Fink "Novel fabrication and optoelectronic property of semiconductor filaments by optical-fiber thermal drawing", Proc. SPIE 7402, Nanoengineering: Fabrication, Properties, Optics, and Devices VI, 740204 (20 August 2009); https://doi.org/10.1117/12.827379
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