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Fabrication of Stretchable Single-Walled Carbon Nanotube Logic Devices

Authors
Yoon, JangyeolShin, GunchulKim, JoonsungMoon, Young SunLee, Seung-JungZi, GoangseupHa, Jeong Sook
Issue Date
23-7월-2014
Publisher
WILEY-V C H VERLAG GMBH
Keywords
logic device; stretchable; SWCNT; wavy configuration
Citation
SMALL, v.10, no.14, pp.2910 - 2917
Indexed
SCIE
SCOPUS
Journal Title
SMALL
Volume
10
Number
14
Start Page
2910
End Page
2917
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/97939
DOI
10.1002/smll.201303779
ISSN
1613-6810
Abstract
The fabrication of a stretchable single-walled carbon nanotube (SWCNT) complementary metal oxide semiconductor (CMOS) inverter array and ring oscillators is reported. The SWCNT CMOS inverter exhibits static voltage transfer characteristics with a maximum gain of 8.9 at a supply voltage of 5 V. The fabricated devices show stable electrical performance under the maximum strain of 30% via forming wavy configurations. In addition, the 3-stage ring oscillator demonstrates a stable oscillator frequency of similar to 3.5 kHz at a supply voltage of 10 V and the oscillating waveforms are maintained without any distortion under cycles of pre-strain and release. The strains applied to the device upon deformation are also analyzed by using the classical lamination theory, estimating the local strain of less than 0.6% in the SWCNT channel and Pd electrode regions which is small enough to keep the device performance stable under the pre-strain up to 30%. This work demonstrates the potential application of stretchable SWCNT logic circuit devices in future wearable electronics.
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College of Engineering > School of Civil, Environmental and Architectural Engineering > 1. Journal Articles
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Ha, Jeong Sook
공과대학 (화공생명공학과)
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