期刊
JOURNAL OF APPLIED PHYSICS
卷 113, 期 20, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4807320
关键词
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资金
- China Scholarship Council
- National Natural Science Foundation of China [11002077]
- NSF [CMMI-0700440, CMMI-0928502]
Three pre-patterned ZnO nanoribbons in different configurations were studied in this paper, including (a) straight ZnO nanoribbons uniformly bonded on soft substrates that form sinusoidal buckles, (b) straight ZnO nanoribbons selectively bonded on soft substrates that form pop-up buckles, and (c) serpentine ZnO nanoribbons bonded on soft substrates via anchors. The nonlinear dynamics and random analysis were conducted to obtain the fundamental frequencies and to evaluate their performance in energy harvesting applications. We found that pop-up buckles and overhanging serpentine structures are suitable for audio frequency energy harvesting applications. Remarkably, almost unchanged fundamental natural frequency upon strain is achieved by properly patterning ZnO nanoribbons, which initiates a new and exciting direction of stretchable energy harvesting using nano-scale materials in audio frequency range. (C) 2013 AIP Publishing LLC.
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