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Piezoelectric-nanowire-enabled power source for driving wireless microelectronics

Wang, Zhong Lin ; Xu, Sheng ; Hansen, Benjamin J

Nature communications, 2010-10, Vol.1 (7), p.93-93, Article 93 [Periódico revisado por pares]

England: Nature Publishing Group

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  • Título:
    Piezoelectric-nanowire-enabled power source for driving wireless microelectronics
  • Autor: Wang, Zhong Lin ; Xu, Sheng ; Hansen, Benjamin J
  • Assuntos: Electric Power Supplies ; Feasibility studies ; harvesting ; Lasers ; Microelectrodes ; Microscopy, Electron, Scanning ; Nanowires - chemistry ; Nanowires - ultrastructure
  • É parte de: Nature communications, 2010-10, Vol.1 (7), p.93-93, Article 93
  • Notas: ObjectType-Article-2
    SourceType-Scholarly Journals-1
    ObjectType-Feature-1
    content type line 23
  • Descrição: Harvesting energy from irregular/random mechanical actions in variable and uncontrollable environments is an effective approach for powering wireless mobile electronics to meet a wide range of applications in our daily life. Piezoelectric nanowires are robust and can be stimulated by tiny physical motions/disturbances over a range of frequencies. Here, we demonstrate the first chemical epitaxial growth of PbZr(x)Ti(1-x)O(3) (PZT) nanowire arrays at 230 °C and their application as high-output energy converters. The nanogenerators fabricated using a single array of PZT nanowires produce a peak output voltage of ~0.7 V, current density of 4 μA cm(-2) and an average power density of 2.8 mW cm(-3). The alternating current output of the nanogenerator is rectified, and the harvested energy is stored and later used to light up a commercial laser diode. This work demonstrates the feasibility of using nanogenerators for powering mobile and even personal microelectronics.
  • Editor: England: Nature Publishing Group
  • Idioma: Inglês
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