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Imogolite as an electron emitter and a water sensor
- Authors
- Oh, Jihoon; Chang, Sunyoung; Jang, Jiyoung; Roh, Seungkwang; Park, Jaehong; Lee, Jungwoo; Sohn, Daewon; Yi, Whikun; Jung, Yeongri; Kim, Sung-Jin
- Issue Date
- Aug-2007
- Publisher
- Kluwer Academic Publishers
- Citation
- Journal of Materials Science: Materials in Electronics, v.18, no.8, pp 893 - 897
- Pages
- 5
- Indexed
- SCIE
SCOPUS
- Volume
- 18
- Number
- 8
- Start Page
- 893
- End Page
- 897
- ISSN
- 0957-4522
1573-482X
- Abstract
- We investigated field emission (FE) properties of imogolite including the turn-on field and lifetime stability. Imogolite is an excellent electron emitter with a turn-on field of approximately 2.5-3.5 V/mu m. A lifetime test revealed that imogolite protects itself during FE under exposure to O-2 gas. We also measured the current-voltage characteristics of the imogolite as a function of the amount of water adsorbed on the surface. The results suggested that the electrode-containing imogolite device could be a useful water sensor in a nanoscale environment.
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Related Researcher
- Yi, Whi kun
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF CHEMISTRY)