The electron field emission properties of the N2-UNCD nanorods. Inset (a) shows the corresponding Fowler-Nordheim plot. Inset (b) shows the plasma illuminating current stability measurement of a microplasma cavity, which utilized the N2-UNCD nanorods as cathode and ITO glass as anode.
Sankaran et al. Nanoscale Research Letters 2012 7:522 doi:10.1186/1556-276X-7-522