Carbon nanotube loop arrays for low-operational power, high uniformity field emission with long-term stability
2012
Futaba, Don | Kimura, Hiroe | Zhao, Bin | Yamada, Takeo | Kurachi, Hiroyuki | Uemura, Sashiro | Hata, Kenji
We present a rational field emitter array architecture composed of thin multi-walled carbon nanotube “loops” which simultaneously satisfies the important requirements for practical applications. We achieved low turn-on voltage (1.27V/μm for 10μA/cm² emission), high enhancement factor (2400), uniformity, and long-term emission stability exceeding 10,000h at 1mA/cm², where each of the values approaches or exceeds the highest reported values to date for field emission arrays.
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