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Uniform and stable field emission from printed carbon nanotubes through oxygen trimming
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View: Figures


Image of FIG. 1.
FIG. 1.

(a) SEM image of an array of printed CNT dots for diode-mode measurement. (b) Top view of the triode structure. (c) CNT array after postactivation. (d) Vertically aligned CNT tips by FE process.

Image of FIG. 2.
FIG. 2.

(a) Operation of CNT emitters under periodic supply at . (b) Sequential plots after each step of /FE (○; first, ◻; second, ▽; third, ▽; fourth), Ar/FE (●), and /wo FE (●, ◼). (Inset) Corresponding F-N plots.

Image of FIG. 3.
FIG. 3.

Luminance data along a scan line of a triode cathode (illustrated as inset). (a) As-prepared sample, . (b) After /FE for , with duty for the same . (–), 4(–), and (–).

Image of FIG. 4.
FIG. 4.

Improved emission images by /FE process: (a) triode images of as-prepared (left) and after /FE for (right). (b) Enlarged images from the sealed FED panel. The bluish vertical line in (b) is marking sign on the anode plate for the measurement.

Image of FIG. 5.
FIG. 5.

Stable lifetime behavior after /FE; (a) as-prepared, (b) treated, and (c) treated cathode. For the same starting , the three triode cathodes are operated by applying , 64, and , respectively. Inset presents morphology of the CNT emitters after of /FE.


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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Uniform and stable field emission from printed carbon nanotubes through oxygen trimming