Fabrication of Carbon Nanofiber Emitters for Excitation of Organic Phosphor Thin Films

概要

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For applications to a novel low-voltage acceleration field emission display, carbon nanofiber (CNF) emitters were fabricated using a screen printing method. The two types of CNF of different lengths, normal-length CNFs, and cut CNFs were examined. A current density of 1.4 mA/cm2 was achieved at 10 V/μm in CNF emitters prepared from the paste composed of normal-length CNFs (1 wt %), glass paste (6 wt %), and gold nanometal ink (30 wt %). The field enhancement factor $\beta$ in the Fowler–Nordheim equation was ca. 5800. CNF emitters without gold nanometal ink showed low performance. Emitter performance was determined on the basis of the results of scanning electron microscopy (SEM) and field emission characteristics.
2008-01-25