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SUNScholar Research Repository

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  • Van den Heever, Thomas Stanley (Stellenbosch : Stellenbosch University, 2013-12)
    ENGLISH ABSTRACT: This study developed and optimised zinc oxide (ZnO) nanowire-based nanogenerator. The nanogenerator works on the piezoelectric effect that is, a mechanical force is converted to an electrical voltage. ...
  • Van den Heever, Thomas Stanley (Stellenbosch : University of Stellenbosch, 2010-12)
    ENGLISH ABSTRACT: Measurement of pressure with zinc oxide (ZnO) nanowires was investigated. ZnO exhibits the piezoelectric effect, generating a voltage when pressure is applied to the material. This relationship between ...
  • Van den Heever, T. S.   Hardie, G. L.   Perold, W. J. (SciDoc Publishers, 2013-04)
    ZnO nanowires are synthesised on a patterned substrate in order to see the response to different gases. Under ambient conditions the sensor shows very little response to any gas. A UV-light source is used to increase the ...