Lead-free NaNbO 3 nanowires for a high output piezoelectric nanogenerator

Jong Hoon Jung; Minbaek Lee; Jung Il Hong; Yong Ding; Chih Yen Chen; Li Jen Chou; Zhong Lin Wang

doi:10.1021/nn2039033

Lead-free NaNbO ₃ nanowires for a high output piezoelectric nanogenerator

Jong Hoon Jung, Minbaek Lee, Jung Il Hong, Yong Ding, Chih Yen Chen, Li Jen Chou, Zhong Lin Wang

Department of Physics and Chemistry

Research output: Contribution to journal › Article › peer-review

440 Scopus citations

Abstract

Perovskite ferroelectric nanowires have rarely been used for the conversion of tiny mechanical vibrations into electricity, in spite of their large piezoelectricity. Here we present a lead-free NaNbO ₃ nanowire-based piezoelectric device as a high output and cost-effective flexible nanogenerator. The device consists of a NaNbO ₃ nanowire-poly(dimethylsiloxane) (PDMS) polymer composite and Au/Cr-coated polymer films. High-quality NaNbO ₃ nanowires can be grown by hydrothermal method at low temperature and can be poled by an electric field at room temperature. The NaNbO ₃ nanowire-PDMS polymer composite device shows an output voltage of 3.2 V and output current of 72 nA (current density of 16 nA/cm ²) under a compressive strain of 0.23%. These results imply that NaNbO ₃ nanowires should be quite useful for large-scale lead-free piezoelectric nanogenerator applications.

Original language	English
Pages (from-to)	10041-10046
Number of pages	6
Journal	ACS Nano
Volume	5
Issue number	12
DOIs	https://doi.org/10.1021/nn2039033
State	Published - 27 Dec 2011

Keywords

NaNbO nanowire
high output
lead-free
piezoelectric nanogenerator

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10.1021/nn2039033

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abstract = "Perovskite ferroelectric nanowires have rarely been used for the conversion of tiny mechanical vibrations into electricity, in spite of their large piezoelectricity. Here we present a lead-free NaNbO 3 nanowire-based piezoelectric device as a high output and cost-effective flexible nanogenerator. The device consists of a NaNbO 3 nanowire-poly(dimethylsiloxane) (PDMS) polymer composite and Au/Cr-coated polymer films. High-quality NaNbO 3 nanowires can be grown by hydrothermal method at low temperature and can be poled by an electric field at room temperature. The NaNbO 3 nanowire-PDMS polymer composite device shows an output voltage of 3.2 V and output current of 72 nA (current density of 16 nA/cm 2) under a compressive strain of 0.23%. These results imply that NaNbO 3 nanowires should be quite useful for large-scale lead-free piezoelectric nanogenerator applications.",

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AU - Jung, Jong Hoon

AU - Lee, Minbaek

AU - Hong, Jung Il

AU - Ding, Yong

AU - Chen, Chih Yen

AU - Chou, Li Jen

AU - Wang, Zhong Lin

PY - 2011/12/27

Y1 - 2011/12/27

N2 - Perovskite ferroelectric nanowires have rarely been used for the conversion of tiny mechanical vibrations into electricity, in spite of their large piezoelectricity. Here we present a lead-free NaNbO 3 nanowire-based piezoelectric device as a high output and cost-effective flexible nanogenerator. The device consists of a NaNbO 3 nanowire-poly(dimethylsiloxane) (PDMS) polymer composite and Au/Cr-coated polymer films. High-quality NaNbO 3 nanowires can be grown by hydrothermal method at low temperature and can be poled by an electric field at room temperature. The NaNbO 3 nanowire-PDMS polymer composite device shows an output voltage of 3.2 V and output current of 72 nA (current density of 16 nA/cm 2) under a compressive strain of 0.23%. These results imply that NaNbO 3 nanowires should be quite useful for large-scale lead-free piezoelectric nanogenerator applications.

AB - Perovskite ferroelectric nanowires have rarely been used for the conversion of tiny mechanical vibrations into electricity, in spite of their large piezoelectricity. Here we present a lead-free NaNbO 3 nanowire-based piezoelectric device as a high output and cost-effective flexible nanogenerator. The device consists of a NaNbO 3 nanowire-poly(dimethylsiloxane) (PDMS) polymer composite and Au/Cr-coated polymer films. High-quality NaNbO 3 nanowires can be grown by hydrothermal method at low temperature and can be poled by an electric field at room temperature. The NaNbO 3 nanowire-PDMS polymer composite device shows an output voltage of 3.2 V and output current of 72 nA (current density of 16 nA/cm 2) under a compressive strain of 0.23%. These results imply that NaNbO 3 nanowires should be quite useful for large-scale lead-free piezoelectric nanogenerator applications.

KW - NaNbO nanowire

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KW - lead-free

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Lead-free NaNbO ₃ nanowires for a high output piezoelectric nanogenerator

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Keywords

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