Journal
APPLIED PHYSICS LETTERS
Volume 105, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4891328
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Funding
- World Class University Project (WCU) by the Ministry of Education, Science, and Technology [R32-2010-000-10082-0]
- ETRI Creative RD program [12ZF1100]
- Korea Basic Science Institute
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Flexible carbon nanotube (CNT) field emitters are fabricated using CNT films on polyethylene terephthalate films. The flexible CNT emitters, which are made using double-walled CNTs, show high emission performance and also indicate stable field emission properties under several bending conditions. The flexible CNT emitters have a low turn-on field of about 0.82 V/mu m and a high emission current density of about 2.0 mA/cm(2) at an electric field of 1.6 V/mu m. During stability tests, the flexible CNT emitters initially degrade over the first 4 h but exhibit no further significant degradation over the next 16 h testing while being continually bent. A flexible lamp made using the flexible CNT emitter displays uniform and bright emission patterns in a convex mode. (c) 2014 AIP Publishing LLC.
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