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The development of a flexible PET-based (polyethylene terephthalate; PET) vibrational energy harvesting system with broadband width was presented. That comprises of four sets of one single ZnO (zinc oxide) piezoelectric generator in the form of cantilever structure connected in parallel, and the rectifying circuit with storage module. The design of the cantilever structure was carried out by using...
We used a metal-organic chemical vapor deposition (MOCVD) method to grow ZnO films on MgAl 2 O 4 (111) substrate, and succeeded in preparing films with microstructures from well-aligned ZnO nanorods to continuous and dense films by adjusting the ratio of the input rates of oxygen and zinc sources (VI/II). At the growth temperature of 350°C, the ZnO nanorods were formed under a low...
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