Ex) Article Title, Author, Keywords
J. Korean Phy. Soc. 2011; 59(2(1)): 493-496
Published online August 12, 2011 https://doi.org/10.3938/jkps.59.493
Copyright © The Korean Physical Society.
Seong Jeon Kim
We deposited single-walled carbon nanotube (SWNT)/silane hybrid thin films on glass substrates by multiple spray-coating of a SWNT solution to examine the electrical response of the films to changes in humidity. Generally, silane binders, which are often mixed in a carbon nanotube (CNT) solution to adhere the CNTs to substrates, can be easily functionalized to each group on the surfaces of the CNTs after they have been hardened by way of the hydrolysis reaction. In this work, we investigate how silane binders, tetraethoxysilane (TEOS), methyltrimethoxysilane (MTMS), and vinyltrimethoxysilane (VTMS), in SWNT hybrid thin films affect electrical response. We observed that the resistance in the samples using TEOS changed sharply with increasing humidity while the resistance was almost invariant in the samples using MTMS and VTMS for the same increase in humidity.
Keywords: Silane binders, Sensor, SWNTs, , TEOS, Spray-coating, Humidity
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