Field emission properties of carbon nanotube film using a spray method |
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| Authors: | Yang Doo Lee Yun-Hi Lee |
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| Affiliation: | a Display and Nanosystem Lab., College of Engineering, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-713, Republic of Korea
b Department of Physics, Korea University, Anam-dong, Seongbuk-gu, Seoul 136-713, Republic of Korea |
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| Abstract: | We fabricated carbon nanotube (CNT) emitters by a spray method using a CNT suspension with ethanol. Indium with a low melting pointing metal or indium tin oxide (ITO) was deposited on the glass substrate. The CNTs were sprayed on these layers and thermally annealed. The sprayed CNTs on an ITO were obtained a high emission current density, field enhancement factor, and a uniform emission pattern than the sprayed CNTs on an ITO layer. We found that the sprayed emitters on the indium layer had good field emission characteristics because of the strong adherence between the metal layer and CNTs. |
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| Keywords: | 72.80.Rj 79.70.+q |
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