Core-Shell ZnO@Microporous Organic Polymer Nanospheres as Enhanced Piezo-Triboelectric Energy Harvesting Materials

Chang Wan Kang, Dong Min Lee, Jina Park, Sohee Bang, Sang Woo Kim, Seung Uk Son

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

Core-shell nanospheres were prepared by the homogeneous coating of piezoelectric ZnO nanorod aggregates with triboelectric microporous organic polymer (MOP). The small energy harvesting performance of ZnO@MOP was significantly enhanced, compared with those of ZnO and MOP, due to the piezoelectrification-induced polarization of inner ZnO and the enhanced generation of tribopositive charges of MOP. Piezo-triboelectric nanogenerators (PTENGs) fabricated with ZnO@MOP showed peak-to-peak voltages of up to 534 V and a maximum power density of 1.19 mW cm−2. In addition, the PTENGs showed excellent durability for 30 000 cycles, demonstrating as efficient power sources for charging electrolytic capacitors and for operating 200 green light emitting diode bulbs.

Original languageEnglish
Article numbere202209659
JournalAngewandte Chemie - International Edition
Volume61
Issue number46
DOIs
Publication statusPublished - 2022 Nov 14

Bibliographical note

Publisher Copyright:
© 2022 Wiley-VCH GmbH.

All Science Journal Classification (ASJC) codes

  • Catalysis
  • General Chemistry

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