Thermal Conversion of Electronic and Electrical Properties of AuCl3-Doped Single-Walled Carbon Nanotubes
- Authors
- Yoon, Seon-Mi; Kim, Un Jeong; Benayad, Anass; Lee, Ii Ha; Son, Hyungbin; Shin, Hyeon-Jin; Choi, Won Mook; Lee, Young Hee; Jin, Yong Wan; Lee, Eun-Hong; Lee, Sang Yoon; Choi, Jae-Young; Kim, Jong Min
- Issue Date
- Feb-2011
- Publisher
- AMER CHEMICAL SOC
- Keywords
- carbon nanotubes; gold chloride; thermal treatment; doping; transistor
- Citation
- ACS NANO, v.5, no.2, pp 1353 - 1359
- Pages
- 7
- Journal Title
- ACS NANO
- Volume
- 5
- Number
- 2
- Start Page
- 1353
- End Page
- 1359
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/66830
- DOI
- 10.1021/nn103055u
- ISSN
- 1936-0851
1936-086X
- Abstract
- By using carbon-free inorganic atomic layer involving heat treatment from 150 to 300 degrees C, environmentally stable and permanent modulation of the electronic and electrical properties of single-walled carbon nanotubes (SWCNTs) from p-type to ambi-polar and possibly to n-type has been demonstrated. At low heat treatment temperature, a strong p-doping effect from Au3+ ions to CNTs due to a large difference in reduction potential between them is dominant. However at higher temperature, the gold species are thermally reduced, and thermally induced CNT-CI finally occurs by the decomposition reaction of AuCl3. Thus, in the AuCl3-doped SWCNTs treated at higher temperature, the p-type doping effect is suppressed and an n-type property from CNT-CI is thermally Induced. Thermal conversion of the majority carrier type of AuCl3-doped SWNTs is systematically investigated by combining various optical and electrical tools.
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