Abstract
The chemical formation of a layer on gold substrates in an aqueous solution containing and dimethylamineborane was investigated in situ using an electrochemical quartz crystal microbalance (QCM). The initial growth rate of increased with the increase in the initial concentration of oxygen dissolved in the solution, while the presence of nitrate ions is also required for the growth of ; the use of sulfate ions instead of nitrate ions as a counteranion did not allow the formation of a layer. Agitation or intensive aeration of the solution had no obvious effect on the growth, suggesting that the dissolved oxygen works only in the initial stage of growth. The growth of the layer occurred at any temperature of the solution in the range of 298 to , but the crystallinity of the layer increased with the increasing temperature.
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