Please use this identifier to cite or link to this item: https://doi.org/10.1149/1.3460268
Title: Enhanced field emission properties of hydrogenated tetrahedral amorphous carbon/carbon nanotubes nanostructures
Authors: Yu, J.
Chua, D.H.C. 
Issue Date: 2010
Source: Yu, J., Chua, D.H.C. (2010). Enhanced field emission properties of hydrogenated tetrahedral amorphous carbon/carbon nanotubes nanostructures. Electrochemical and Solid-State Letters 13 (9) : K80-K82. ScholarBank@NUS Repository. https://doi.org/10.1149/1.3460268
Abstract: A triple layered nanocomposite consisting of a hydrogenated layer on the surface of a core/shelled carbon nanotube/tetrahedral amorphous carbon structure was studied. The threshold field for electron emission was lowered from 4.45 to 4.01 V/μm and even lower to 2.64 V/μm as each layer was added. Derived from the Fowler-Nordheim plots, their corresponding barrier height ratios were estimated as 1.45:1.39:1, implying a proportional influence of the barrier height to the emission threshold fields. With hydrogen termination, the absorption of a water layer from the atmosphere may be the reason for the enhanced emission. © 2010 The Electrochemical Society.
Source Title: Electrochemical and Solid-State Letters
URI: http://scholarbank.nus.edu.sg/handle/10635/64865
ISSN: 10990062
DOI: 10.1149/1.3460268
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