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Ronan Hinchet, Sangmin Lee, Gustavo Ardila, Laurent Montès, Mireille Mouis and Zhong Lin Wang Performance Optimization of Vertical Nanowire-based Piezoelectric Nanogenerators Advanced Functional Materials 24

Article first published online: 8 OCT 2013 | DOI: 10.1002/adfm.201302157

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Simulations of nanogenerator (NG) based on ZnO vertical nanowire (NW) arrays are developed to understand NG operation and evaluate its performances in terms of energy and efficiency. The structure is optimized and strategies are developed to increase the force sensitivity. Moreover, the influence of NW length and diameter is investigated. The optimization results in a piezoelectric nanocomposite material where global performances are improved by a factor 6.

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