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Title: All 3D-printed stretchable piezoelectric nanogenerator with non-protruding kirigami structure
Authors: Zhou, Xinran
Parida, Kaushik
Halevi, Oded
Liu, Yizhi
Xiong, Jiaqing
Magdassi, Shlomo
Lee, Pooi See
Keywords: Engineering::Materials::Microelectronics and semiconductor materials
Issue Date: 2020
Source: Zhou, X., Parida, K., Halevi, O., Liu, Y., Xiong, J., Magdassi, S. & Lee, P. S. (2020). All 3D-printed stretchable piezoelectric nanogenerator with non-protruding kirigami structure. Nano Energy, 72, 104676-.
Project: NRF-CRP13-2014-02
Journal: Nano Energy
Abstract: With the advancement of wearable electronics, stretchable energy harvesters are attractive to reduce the need of frequent charging of wearable devices. In this work, a stretchable kirigami piezoelectric nanogenerator (PENG) based on barium titanate (BaTiO ) nanoparticles, Poly(vinylidene fluoride-co-trifluoroethylene) (P(VDF-TrFE)) matrix, and silver flakes-based electrode is fabricated in an all-3D printable process suited for additive manufacturing. The 3D printable extrusion ink is formulated for facile solvent evaporation during layer formation to enable heterogenous multilayer stacking. A well-designed modified T-joint-cut kirigami structure is realized to attain a non-protruding, high structural stretchability performance, overcoming the out-of-plane displacement of the typical kirigami structure and therefore enabling the pressing-mode of a kirigami-structured PENG. This PENG can be stretched to more than 300% strain, which shows a great potential for application in wearable electronic systems. Furthermore, a self-powered gait sensor is demonstrated using this PENG. 3
ISSN: 2211-2855
DOI: 10.1016/j.nanoen.2020.104676
Rights: © 2020 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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