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    Title: Flexible electron field emitters fabricated using conducting ultrananocrystalline diamond pyramidal microtips on polynorbornene films
    Authors: Sankaran, K. J.;Tai, N. H.;Lin, I. N.
    Contributors: 淡江大學物理學系
    Keywords: Diamond;Elemental semiconductors;Thin films;Thin film devices;Optical microcavities
    Date: 2014-01
    Issue Date: 2014-03-18 10:18:43 (UTC+8)
    Publisher: College Park: American Institute of Physics
    Abstract: High performance flexible field emitters made of aligned pyramidal shaped conducting ultrananocrystalline diamond (C-UNCD) microtips on polynorbornene substrates is demonstrated. Flexible C-UNCD pyramidal microtips show a low turn-on field of 1.80 V/μm with a field enhancement factor of 4580 and a high emission current density of 5.8 mA/cm2 (at an applied field of 4.20 V/μm) with life-time stability of 210 min. Such an enhancement in the field emission is due to the presence of sp 2-graphitic sheath with a nanowire-like diamond core. This high performance flexible C-UNCD field emitter is potentially useful for the fabrication of diverse, flexible electronic devices.
    Relation: Applied Physics Letters 104(3), pp.031601
    DOI: 10.1063/1.4862891
    Appears in Collections:[物理學系暨研究所] 期刊論文

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