An overview of lead-free piezoelectric materials and devices

Piezoelectric materials and devices have drawn extensive attention for energy harvesting due to their excellent electromechanical conversion properties. With increasing concerns about environmental problems in traditional lead-based piezoelectric materials, it is imperative to develop lead-free piez...

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Bibliographic Details
Published in:Journal of materials chemistry. C, Materials for optical and electronic devices Materials for optical and electronic devices, 2018, Vol.6 (46), p.12446-12467
Main Authors: Wei, Huige, Wang, Hui, Xia, Yijie, Cui, Dapeng, Shi, Yapeng, Dong, Mengyao, Liu, Chuntai, Ding, Tao, Zhang, Jiaoxia, Ma, Yong, Wang, Ning, Wang, Zicheng, Sun, Ye, Wei, Renbo, Guo, Zhanhu
Format: Article
Language:English
Subjects:
Biopolymers
Devices
Difluorides
Electric power generation
Electronics
Energy harvesting
Lead free
Nanogenerators
Piezoelectric ceramics
Piezoelectricity
Polyvinylidene fluorides
Transducers
Zinc oxide
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Summary:Piezoelectric materials and devices have drawn extensive attention for energy harvesting due to their excellent electromechanical conversion properties. With increasing concerns about environmental problems in traditional lead-based piezoelectric materials, it is imperative to develop lead-free piezoelectric alternatives. This paper is intended to give a brief review on the most recent advances in both inorganic (with an emphasis on piezoelectric ceramics and ZnO nanostructures) and organic ( i.e. polyvinylidene difluoride (PVDF) and its copolymers and their composites, and biopolymers) lead-free piezoelectric materials. State-of-the-art piezoelectric devices, namely, nanogenerators, sensors, and transducers, are also introduced with detailed examples. Finally, the challenges and perspectives of lead-free piezoelectric materials and devices are given. Lead-free piezoelectric materials and innovative piezoelectric devices provide a solution to the energy and environmental crisis we are now faced with.
ISSN:2050-7526
2050-7534
DOI:10.1039/c8tc04515a