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dc.contributor.authorZhou, Xinranen_US
dc.contributor.authorParida, Kaushiken_US
dc.contributor.authorHalevi, Odeden_US
dc.contributor.authorLiu, Yizhien_US
dc.contributor.authorXiong, Jiaqingen_US
dc.contributor.authorMagdassi, Shlomoen_US
dc.contributor.authorLee, Pooi Seeen_US
dc.identifier.citationZhou, 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-.
dc.description.abstractWith 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. 3en_US
dc.description.sponsorshipNational Research Foundation (NRF)en_US
dc.relation.ispartofNano Energyen_US
dc.rights© 2020 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (
dc.subjectEngineering::Materials::Microelectronics and semiconductor materialsen_US
dc.titleAll 3D-printed stretchable piezoelectric nanogenerator with non-protruding kirigami structureen_US
dc.typeJournal Articleen
dc.contributor.schoolSchool of Materials Science and Engineeringen_US
dc.description.versionPublished versionen_US
dc.subject.keywords3D Printingen_US
dc.subject.keywordsPiezoelectric Nanogeneratoren_US
dc.description.acknowledgementThis research is supported by the grant from the National Research Foundation, Prime Minister’s Office, Singapore under its Campus of Research Excellence and Technological Enterprise (CREATE) programme.en_US
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