期刊
INTERNATIONAL JOURNAL OF NANOTECHNOLOGY
卷 18, 期 5-8, 页码 669-678出版社
INDERSCIENCE ENTERPRISES LTD
DOI: 10.1504/IJNT.2021.116181
关键词
PVDF; ZnO; wet chemical route; nanohybrid; nanogenerator; energy harvesting
资金
- Council of scientific and industrial research (CSIR), the Govt. of India [-09/096(0912)/2017-EMR-I]
The piezoelectric nanogenerator based on PVDF and ZnO can generate sufficient energy to power commercial green LEDs under applied pressure.
Energy harvesting from mechanical strain using piezoelectric materials has attracted considerable attention from researchers for their its utilisation in cutting edge smart devices. Here in, piezoelectric nanogenerator (PENG) based on polyvinylidene fluoride (PVDF) and vertically aligned zinc oxide (ZnO) nanorods is fabricated for mechanical energy harvesting. ZnO nanorods array over zinc foil was realised via facile wet chemical method at ambient condition. ZnO-PVDF hybrid structure was prepared by stacking PVDF on ZnO nanorods. Synergistic piezoelectric effect of PVDF and ZnO nanorods delivered high output characteristics under applied pressure. As fabricated device showed an open-circuit voltage of similar to 21.5 volts and instantaneous power similar to 135.45 mu W at an applied pressure of 4.5 MPa. Generated output power was more than sufficient to glow commercial green LEDs.
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