Figure 1From: Investigation on the Plasma-Induced Emission Properties of Large Area Carbon Nanotube Array Cathodes with Different MorphologiesMorphologies and structures of CNT arrays: a The assembled CNT array cathode on a copper stage, b The CCD image of the CNT array cathodes that are not emit, c Low-resolution TEM image of the CNTs, d High-resolution TEM image of the CNTs.Back to article page