الفهرس 
Cyclic voltammetryOnly 14 pages are availabe for public view
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Abstract
The electrochemistry of cyano-substituted derivatives of anthracene and naphthalene was studied at different temperatures ( 25 i - 20 OC using fast scan with a maximum scan rate of 500 V/s. The reduction of these compounds at the platinum electrode proceeds by two one-electron transfers leading first to the monoanion and at more negative potential to the dianion. All experimental evidence indicate the formation of a dimer by an EreVCZrevp rocess at the monoanion level. The peak current ratio of cyclic voltammogram approached unity as the sweep rate was decreased. The concentration and temperature studies of the first peak gave immediate insight into the nature of this process. As expected, lower temperature and/or higher concentration favored dimerization. Voltammetry indicates also that the dianion is quickly deactivated via two competitive pathways. The first is fast proton abstraction from residual water and the second is slow dimerization through dianion-substrate coupling mechanism which is followed by a faster protonation to produce dihydrodimer. The main interest in this study concerns the kinetic characteristic of the electrodimerization at the monoanion level. Variation of the ratio of anodic to cathodic peak current ( iP a /i ) with the scan rate, the concentartion and PC the temperature provides the basis for excellent measurements.