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Issue 15, 2014
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Lead-free BaTiO3 nanowires-based flexible nanocomposite generator

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We have synthesized BaTiO3 nanowires (NWs) via a simple hydrothermal method at low temperature and developed a lead-free, flexible nanocomposite generator (NCG) device by a simple, low-cost, and scalable spin-coating method. The hydrothermally grown BaTiO3 NWs are mixed in a polymer matrix without a toxic dispersion enhancer to produce a piezoelectric nanocomposite (p-NC). During periodical and regular bending and unbending motions, the NCG device fabricated by utilizing a BaTiO3 NWs–polydimethylsiloxane (PDMS) composite successfully harvests the output voltage of ∼7.0 V and current signals of ∼360 nA, which are utilized to drive a liquid crystal display (LCD). We also characterized the instantaneous power (∼1.2 μW) of the NCG device by calculating the load voltage and current through the connected external resistance.

Graphical abstract: Lead-free BaTiO3 nanowires-based flexible nanocomposite generator

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Publication details

The article was received on 25 Apr 2014, accepted on 30 May 2014 and first published on 03 Jun 2014

Article type: Paper
DOI: 10.1039/C4NR02246G
Citation: Nanoscale, 2014,6, 8962-8968
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    Lead-free BaTiO3 nanowires-based flexible nanocomposite generator

    K. Park, S. B. Bae, S. H. Yang, H. I. Lee, K. Lee and S. J. Lee, Nanoscale, 2014, 6, 8962
    DOI: 10.1039/C4NR02246G

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