Abstract

The adsorption and desorption behavior of several long chain alkyl thiols on gold electrodes were studied using the electrochemical quartz crystal microbalance (EQCM). The rate of adsorption of the self-assembled monolayer (SAM) from various nonaqueous solutions was determined by using the EQCM to monitor the mass change at the electrode surface caused by the formation of the SAM. The EQCM method also allowed for monitoring the mass change due to reductive desorption of the SAM. Significantly different behavior was observed for the SAM formation in acetonitrile (ACN) and dimethylformamide (DMF)

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