Journal
ACS NANO
Volume 7, Issue 1, Pages 785-790Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn305247x
Keywords
pyroelectric; piezoelectric; nanogenerator; solar cell; ZnO; PVDF
Categories
Funding
- Airforce
- MURI
- U.S. Department of Energy
- Office of Basic Energy Sciences [DE-FG02-07ER46394]
- NSF
- National Institute For Materials, Japan [DTD 1]
- Samsung
- Knowledge Innovation Program of the Chinese Academy of Sciences [KJCX2-YW-M13]
- Directorate For Engineering [0946418] Funding Source: National Science Foundation
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We report the first flexible hybrid energy cell that is capable of simultaneously or individually harvesting thermal, mechanical, and solar energies to power some electronic devices. For having both the pyroelectric and piezoelectric properties, a polarized poly(vinylidene fluoride) (PVDF) film-based nanogenerator (NG) was used to harvest thermal and mechanical energies. Using aligned ZnO nanowire arrays grown on the flexible polyester (PET) substrate, a ZnO poly(3-hexylthiophene) (P3HT) heterojunction solar cell was designed for harvesting solar energy. By integrating the NGs and the solar cells, a hybrid energy cell was fabricated to simultaneously harvest three different types of energies. With the use of a Li-ion battery as the energy storage, the harvested energy can drive four red light-emitting diodes (LEDs).
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