期刊
NANOSCALE
卷 5, 期 15, 页码 7041-7045出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3nr01832f
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资金
- National Natural Science Foundation of China [11074138, 11004114]
- Natural Science Foundation of Shandong Province for Distinguished Young Scholars [JQ201103]
- Taishan Scholars Program of Shandong Province, China
- National Key Basic Research Development Program of China (973 special preliminary study plan) [2012CB722705]
- Project of Shandong Province Higher Educational Science and Technology Program [J13LJ07]
- Program for Scientific Research Innovation Team in Colleges and Universities of Shandong Province, China
Stretchable strain sensors based on aligned microfibrous arrays of poly(3,4-ethylenedioxythiophene): poly(styrene sulfonate)-poly(vinyl pyrrolidone) (PEDOT:PSS-PVP) with curled architectures have been fabricated by a novel reciprocating-type electrospinning setup with a spinneret in straightforward simple harmonic motion. The incorporation of PEDOT:PSS into PVP is confirmed by Raman spectra, which improves the room-temperature conductivity of the composite fibers (1.6 x 10(-5) S cm(-1)). Owing to the curled architectures of the as-spun fibrous polymer arrays, the sensors can be stretched reversibly with a linear elastic response to strain up to 4%, which is three times higher than that from electrospun nonwoven mats. In addition, the stretchable strain sensor with a high repeatability and durability has a gauge factor of about 360. These results may be helpful for the fabrication of stretchable devices which have potential applications in some fields such as soft robotics, elastic semiconductors, and elastic solar cells.
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