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Graphene composite using easy soluble expanded graphite: Synthesis and emission parameters

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12 Author(s)
Jong Hak Lee ; SKKU Adv. Inst. of Nanotechnol. (St.), Sungkyunkwan Univ., Suwon, South Korea ; Park, H. ; Seong Man Yoo ; Makotchenko, V.G.
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In this paper, thin graphene sheet composite have been synthesized and field emission parameters (threshold turn on field, mean field enhancement factor, gammam, and emission uniformity) were studied. Electron microscopy analysis revealed that, composite consists of typically 4-6 graphene layers of thickness 1-2 nm. The field emission mainly occurs via edges and folding edges of graphene sheets. The approach described herein is simple, scaleable and offer insight to use graphene sheet composite for future display application and electron sources.

Published in:

Vacuum Nanoelectronics Conference, 2009. IVNC 2009. 22nd International

Date of Conference:

20-24 July 2009

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