A Flexible And Lead-free BCZT Thin Film Nanogenerator for Biocompatible Energy Harvesting
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AbstractHigh-performance piezoelectric thin films generally contain toxic lead that limits the application scenarios especially in wearable and medical devices. Alternative lead-free piezoelectric materials such as Ba0.85Ca0.15Zr0.1Ti0.9O3 (BCZT) have been proved to have high biocompatibility and competitive piezoelectric performances. However, few have reported BCZT thin films integrated within flexible electronics. To fill this gap, we prepare BCZT thin films on flexible mica substrates and based on that fabricate piezoelectric nanogenerators (PENGs). The piezoelectric modulus d33 of the BCZT thin films evaluated from the established system reaches 150 pC N−1, which is comparable to those of films grown on single crystal substrates. The BCZT-based PENG can charge capacitors under mechanical excitation, indicating that it has broad application prospects in the field of flexible self-powered electronics.
All Author(s) ListLiu SY, Zhang ZM, Shan Y, Hong Y, Farooqui F, Lam FS, Liao WH, Wang ZK, Yang ZB
Journal nameMaterials Chemistry Frontiers
Year2021
Month6
Day21
Volume Number5
Issue Number12
PublisherRoyal Society of Chemistry
Pages4682 - 4689
eISSN2052-1537
LanguagesEnglish-United Kingdom
Web of Science Subject CategoriesChemistry, Multidisciplinary;Materials Science, Multidisciplinary;Chemistry;Materials Science

Last updated on 2024-21-08 at 01:53