Abstract

An attempt has been made to prepare plasma-polymerized organic thin films with considerably high electrical conductivity at room temperature without doping. As the starting monomer, 3,4,9,10-perylenetetra-carboxylic dianhydride (PTCDA) was specifically used. The conditions of plasma polymerization have been found to significantly influence the electrical conductivity of the prepared samples. ESCA (electron spectroscopy for chemical analysis) measurements have suggested a possible important role for nitrogen, when it is used as a carrier gas, as it may be incorporated in the skeleton of the samples and cause an increase in the electrical conductivity.

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