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Thinning and diluting aligned carbon nanotube films for uniform field emission

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Abstract.

Aligned carbon nanotube (CNT) films are potential field emitters for large-area flat panel displays. However, the distribution of emission areas in the CNT films is quite non-uniform because of inhomogeneous nanotube growth, which is hard to avoid using the conventional chemical vapor deposition (CVD) method. Here we show that the emission uniformity of CNT films can be improved simply by reducing the film thickness (thinning) or the nanotube density (diluting). The thickness and density of CNT films could be controlled by controlling the CNT growth time and temperature.

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Authors and Affiliations

  1. Department of Mechanical Engineering, State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, P.R. China, , , , , , CN

    A. Cao, X. Zhang, C. Xu, J. Liang & D. Wu

  2. Department of Materials Science and Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180, USA, , , , , , US

    B. Wei

Authors
  1. A. Cao
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  2. X. Zhang
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  3. C. Xu
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  4. J. Liang
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  5. D. Wu
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  6. B. Wei
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Additional information

Received: 12 June 2001 / Accepted: 27 October 2001 / Published online: 23 January 2002

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Cao, A., Zhang, X., Xu, C. et al. Thinning and diluting aligned carbon nanotube films for uniform field emission . Appl Phys A 74, 415–418 (2002). https://doi.org/10.1007/s003390101066

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  • DOI: https://doi.org/10.1007/s003390101066

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