Nanotech 2011

Energy Harvesting in ZnO Nanowires: an In-Situ Observation

R.S. Yassar, A. Asthana, K. Momeni, H.A. Ardakani, Y.K. Yap
Michigan Technological University, US

Keywords: ZnO nanowires, energy harvesting

Abstract:

Energy harvesting from individual nanowires and nanotubes has become an interesting area of research and there are uncertainties associated with the mechanism of such energy signals. Here we have used in-situ electron microscopy to observe the piezoelectric current that is being generated by mechanical deformation of a single ZnO nanowire. This energy was quantified as a function of ZnO nanowire size scale and the effect of load mode on the magnitude of the generated current signal was studied.
 

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