Sensitive and Stable Gas Ionization Sensor Based on 3-D Single-Walled Carbon Nanotube Networks Suspended on ZnO Nanorods
- Authors
- Lee, Jongtaek; Park, Taehee; Lee, Jungwoo; Yi, Whikun
- Issue Date
- Jan-2015
- Publisher
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Keywords
- Breakdown voltage; gas ionization sensor; ZnO nanorod; 3D SWNT network
- Citation
- IEEE SENSORS JOURNAL, v.15, no.1, pp.260 - 263
- Indexed
- SCIE
SCOPUS
- Journal Title
- IEEE SENSORS JOURNAL
- Volume
- 15
- Number
- 1
- Start Page
- 260
- End Page
- 263
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/143262
- DOI
- 10.1109/JSEN.2014.2337656
- ISSN
- 1530-437X
- Abstract
- We fabricated a gas ionization sensor based on 3-D single-walled carbon nanotube (SWNT) networks suspended between ZnO nanorods using a chemical vapor deposition method. ZnO nanorods were grown on the pyramid-like protrusions of a textured Si substrate. The breakdown voltages and stability of the 3-D SWNT networks were measured and compared with those of a SWNT film synthesized on Si substrate. Our results show that 3-D SWNT networks on ZnO nanorods enable ionization gas sensors to be sensitive, selective, and highly stable devices.
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