Abstract
The stages of N,N-dialkyl-3,4,9,10-perylene tetracarboxylic diimide derivatives growth on Ru (0 0 0 1) surface has been studied with the ultraviolet photoemission spectroscopy measurements, three emission features of the organic material are located at 2.9, 4.8 and 6.7 eV, respectively below the Fermi level. The angle-resolved ultraviolet photoemission spectroscopy results suggest that the organic molecule is parallel to the substrate surface. Desorption of the organic material in multilayer occurs with warming the substrate. The decomposition of the adsorbed organic substance on Ru (0 0 0 1) surface is at roughly 125°C, the low decomposition temperature observed is attributed to the Ru substrate.
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