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|Title:||Enhanced field emission properties of hydrogenated tetrahedral amorphous carbon/carbon nanotubes nanostructures|
|Citation:||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|
|Appears in Collections:||Staff Publications|
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