| 摘要 |
Monolayer or multilayer systems containing compounds of the formula I <IMAGE> (I) in which X is S or Se, R1 is C1-C30alkyl, -CF3, -O-R3, -S-R3 or -CO-O-R3, R2 is hydrogen, C1-C30alkyl, -CF3, -O-R3, -S-R3 or -CO-O-R3, and R3 is C1-C30alkyl or partially or perfluorinated C1-C30alkyl, are described. Electrically conductive layers which are suitable, for example, for the production of electrically conductive coatings can be prepared from the layer systems by doping with electron acceptors.
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