Enhanced field emission performance and better emitting current stability of mixed multilayer carbon nanotube cathode

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School of Electronic Information, Zhongyuan Institute of Technology, Zhengzhou, China ^{[1
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不详 ^{[2
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J. Donghua Univ. | / 3卷 / 453-457期

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摘要：

With screen printing technique, a new mixed multilayer carbon nanotube (CNT) cathode was proposed. The ZnO layer was fabricated on the bottom electrode surface, by which the electron emission current could be adjusted. The middle CNT layer was adopted as a buffer layer between the top CNT layer and the ZnO layer, which was used to improve the electron emission capability and the adhesion performance of CNT. The sintering treatment was performed for enhancing the field emission characteristics. The triode field emission display with the mixed multilayer CNT cathode was fabricated, which demonstrated better field emission properties. In the aging testing course, the field emission display with mixed multilayer CNT cathode showed good ageing properties, in which the better electron emission current stability had been proved. By comparing with the usual cold cathode field emission display, the maximum electron emission current could be enhanced from 2056 to 2675 μA, and the turn-on electric field could be decreased from 1.99 to 1.79 V/μm. Copyright © 2015 by Editorial Board of Journal of Donghua University, Shanghai China.

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