Abstract
Carbon nanotube cathodes (CNT cathodes) were fabricated by a screen printing method using multi-walled carbon nanotubes. The effects of surface treatment on CNT cathodes were investigated for use in high efficiency field emission displays. The optimum surface treatment for a CNT cathode is dependent on a relative bonding force of CNT films on the cathode after a heat treatment. Because of the high bonding force used in the Liquid method, this method is recommended for CNT cathodes which are heat-treated at <TEX>$390^{\circ}C$</TEX> in a <TEX>$N_2$</TEX> atmosphere. The Rolling method is applicable for CNT cathodes fabricated at <TEX>$350^{\circ}C$</TEX> in an atmosphere of air. The results of this study provide basic criteria for the selection of an appropriate surface treatment for large area CNT cathodes.
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