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A Study of the Wettability of Single-Walled Carbon Nanotube Films on Flat and Textured Si Substrates

Title
A Study of the Wettability of Single-Walled Carbon Nanotube Films on Flat and Textured Si Substrates
Author
이휘건
Keywords
Superhydrophobic; Single-Walled Carbon Nanotube Film; Textured Si Substrate; Contact Angle; Surface Treatments
Issue Date
2019-04
Publisher
AMER SCIENTIFIC PUBLISHERS
Citation
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v. 19, NO 4, Page. 2426-2430
Abstract
Contact angle measurements are investigated on the surface of single-walled carbon nanotube (SWNT) films directly formed on flat and textured Si substrates using a thermal chemical vapor deposition method. The SWNT films on the textured Si consist of a multiscale structure composed of nanoscale SWNTs and a microscale textured Si. They show superhydrophobic properties in which the water contact angle was around 161 degrees. A direct surface treatment to them increase the contact angle to 174 degrees. The reversible wettability of the SWNT films formed on the textured Si substrates is confirmed through the oxidation process using an acid mixture of nitric and sulfuric acids and a successive reduction procedure via heating treatment in an NH3 environment.
URI
https://www.ingentaconnect.com/content/asp/jnn/2019/00000019/00000004/art00087;jsessionid=2u3di085n8pas.x-ic-live-02https://repository.hanyang.ac.kr/handle/20.500.11754/110948
ISSN
1533-4880; 1533-4899
DOI
10.1166/jnn.2019.16011
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > CHEMISTRY(화학과) > Articles
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