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11-03-2019 | Issue 8/2019

Journal of Materials Science: Materials in Electronics 8/2019

KNN/PDMS/C-based lead-free piezoelectric composite film for flexible nanogenerator

Journal:
Journal of Materials Science: Materials in Electronics > Issue 8/2019
Authors:
Mengjie Xia, Cuixian Luo, Xiaoxiao Su, Yinhui Li, Pengwei Li, Jie Hu, Gang Li, Huabei Jiang, Wendong Zhang
Important notes

Electronic supplementary material

The online version of this article (https://​doi.​org/​10.​1007/​s10854-019-01070-0) contains supplementary material, which is available to authorized users.

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Abstract

A novel approach to fabricate a high performance flexible piezoelectric nanogenerator (PNG) by employing K0.5Na0.5NbO3 (KNN)/PDMS/C composite thin film has been proposed. The formed 12 wt% C doping KNN/PDMS PNG demonstrates a higher relative permittivity (Ɛr, 173.56) and larger remanent polarization (Pr, 1.84 µC/cm2) than pure KNN/PDMS film, thus serving as the possible origins of their comparative piezoelectric activities, which could generate an maximum output voltage of 10.55 V (3.3 times as much as the PNG without C doping). Besides, the PNG is able to light up a commercial green light-emitting diode (LED) through an energy storage capacitor (47 µF), showing its great potential as power of wearable and mobile devices.

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Supplementary Material
Supplementary material 1 (DOCX 839 KB)
10854_2019_1070_MOESM1_ESM.docx
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