Abstract
A large area perfect aligned carbon nanotubes (CNTs) thin film was grown directly on a stainless steel substrates by a low cost bias-assisted hot-filament chemical-vapor deposition (BA HF-CVD) technology. The CNT’s / stainless steel field emission array (FEA) cathode (CNT’s/FEA) has been fabricated. The field electron emission behavior of the CNT’s/FEA cathode was characterized in a vacuum condition, a high electron emission of about 10mA/cm2 at a low electric field of 4V/μm implies the promising the application as a cathode of the flat panel display device, so further assembled this cathode in a kind of vacuum device, and the possibility of the operation from a flat panel character (Pictures) display tube FCT has been tested initially.
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