Abstract
A cathode process of nanodiamond field emission display based on diode structure by electrophoretic deposition has been explored. In this process, a certain proportion of nanodiamond electrophoresis liquid has been developed, the nanodiamond field emission cathode has been deposited on the polished metal titanium substrate by electrophoresis. The surface appearance and microstructures of the coating has been observed by scanning electron microscopy and Raman spectroscopy and the field emission properties of the prepared cathode coating has been tested. The experimental results show, the diamond-coated surface which has been deposited on titanium substrate is thin and uniform. Compared with the cathode prepared by the spin coating process, it has more field emission current density and better field emission current uniformity and stability. With a simple, low cost and large-area production and other advantages, it can be widely used in flat panel displays.
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