Cumulative effect of ether units on electrochemical behaviors of self-assembled monolayers and multilayers of tetrathiafulvalenyl-tetrathiol with oligo-ethyleneoxy linkages

The electrochemical properties of the self-assembled monolayers of a tetrat hiafulvalenyl-alkane monothiol (1) and the etcher-substituted alkane monoth iol (1-0) adsorbed onto gold electrodes showed no difference in their redox potentials and surface coverages. In contrast, the difference between the alkyl chain and the oxy-alkyl chain in the redox potentials and surface cov erages was found in the self-assembled monolayers and the electropolymerize d films of the tetrathiafulvalenyl-tetrathiol (2) and the ether-substituted tetrathiol (2-0) adsorbed onto gold electrodes.