Chemistry, Physics and Technology of Surface, 2010, 1 (2), 170-176.

QCM as Way for Monitoring of Quasi-Monomolecular Layers of the Thin Film Formation in-situ on the Electrode Surface Resonator



V. N. Grebennikov, G. M. Telbiz, L. M. Pogorelaya, P. A. Manorik, V. A. Nevinsky, A. V. Shulzhenko

Abstract


The process of sorption of 3,3'-dibromtimolsulfoftalein on the surface of the gold electrode of the resonator was investigated by the method of the quartz crystal microbalance. It has been shown that under near-equilibrium conditions of an experiment linear growth of concentration of solution of organic compound within the area of small concentration changes causes a characteristic diminishing of resonance frequency. This fact has been found to be conditioned by the successive processes of a monolayer formation of matter molecules on the surface of electrode. Developed approaches can be applied to determination of effective thickness of quasi-monomolecular layers formed from the solutions.

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Copyright (©) 2010 V.N. Grebennikov, G.M. Telbiz, L.M. Pogorelaya, P.A. Manorik, V.A. Nevinsky, A.V. Shulzhenko

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