Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/86427
Title: Hydrogenation and its effects on the field emission characteristics of tetrahedral amorphous carbon coated carbon nanotubes
Authors: Yu, J.
Foong, Y.M.
Koh, A.T.T.
Chua, D.H.C. 
Issue Date: 16-Jun-2011
Citation: Yu, J., Foong, Y.M., Koh, A.T.T., Chua, D.H.C. (2011-06-16). Hydrogenation and its effects on the field emission characteristics of tetrahedral amorphous carbon coated carbon nanotubes. Journal of Physical Chemistry C 115 (23) : 11336-11341. ScholarBank@NUS Repository.
Abstract: Field emission (FE) properties of a core/shell multiwalled carbon nanotube/tetrahedral amorphous carbon (CNT/ta-C) structure both with and without hydrogenation post-treatment were studied. It was found that the FE properties of the pristine vertically aligned CNTs improved with the ta-C coating and were further enhanced with a slight hydrogenation post-treatment. The thickness effect of the ta-C coating film and the hydrogenation duration effect on the FE characteristics of the specimens were investigated, and we report that the thickness of the ta-C coating film does not influence the FE properties of the emitters. Instead, the duration of hydrogenation treatment plays a key role in modifying their FE characteristics. © 2011 American Chemical Society.
Source Title: Journal of Physical Chemistry C
URI: http://scholarbank.nus.edu.sg/handle/10635/86427
ISSN: 19327447
Appears in Collections:Staff Publications

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