期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 18, 期 9, 页码 6562-6564出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2018.15695
关键词
Nitric Oxide Gas Sensor; Carbon Nanotube; Sensitivity; Selectivity; Functionalization
类别
资金
- Korea Institute of Science and Technology (KIST) Institutional Program [2E27260-17-052]
- National Research Foundation of Korea grant - Korea government (MSIP) [NRF-2017R1A2B2003808]
In this paper, we demonstrate the highly sensitive carbon nanotube (CNT) sensors for the detection of sub-ppm nitric oxide (NO) gas operating at room temperature. Such achievement can be realized by functionalizing CNT thin films with amine-based polymers through a solution-process technology at low temperature. In addition to high sensitivity, functionalized CNT sensors exhibit high selectivity towards NO gas, which is an effective and practical factor for health-care monitoring nano-electronics. We also investigated the effect of a post-cleaning treatment on the sensing performance of functionalized CNT thin films for sub-ppm NO gas sensors. We believe that this work can open-up new routes to realize high performance human-interactive electronics for respiratory diseases detection in exhaled air.
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