Flexible electron field emitters fabricated using conducting ultrananocrystalline diamond pyramidal microtips on polynorbornene films

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题名:	Flexible electron field emitters fabricated using conducting ultrananocrystalline diamond pyramidal microtips on polynorbornene films
作者:	Sankaran, K. J.;Tai, N. H.;Lin, I. N.
贡献者:	淡江大學物理學系
关键词:	Diamond;Elemental semiconductors;Thin films;Thin film devices;Optical microcavities
日期:	2014-01
上传时间:	2014-03-18 10:18:43 (UTC+8)
出版者:	College Park: American Institute of Physics
摘要:	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.
關聯:	Applied Physics Letters 104(3), pp.031601
DOI:	10.1063/1.4862891
显示于类别:	[物理學系暨研究所] 期刊論文

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