Electrochemical method of controlling thiolate coverage on a con

Details Electrochemical method of controlling thiolate coverage on a con Electrochemical method of controlling thiolate coverage on a con

1997-02-10

1998-10-27

Bell, Bruce F.

Chemistry: electrical and wave energy

Processes and products

Electrophoresis or electro-osmosis processes and electrolyte...

204434, 204471, 205317, 205444, 205445, C25D 902, C25D 1304

Patent

active

058274170

ABSTRACT:
An electrochemical method for forming a partial monomolecular layer of a predetermined extent of coverage of a thiolate of the formula, XRS--, therein R can be a linear or branched chain hydrocarbon or an aromatic or the like and X can be any compatible end group, e.g., OH, COOH, CH.sub.3 or the like, upon a substrate such as gold, which involves applying in an electrochemical system a constant voltage preselected to yield the desired predetermined extent of coverage.

REFERENCES:
patent: 4136070 (1979-01-01), Hazan
patent: 4940516 (1990-07-01), Wegmann et al.
patent: 4964972 (1990-10-01), Sagiv et al.
Walczak et al., "Reductive Desportion of Alkanethiolate Monolayers at Gold: A Measure of Surfac Coverage," Langmuir, 7:2687-2693 (1991) month of publication not available.
Weisshaar et al., "Thermodynamically Controlled Electrochemical Formation of Thiolate Monolayers at Gold Characterization and Comparison to Self-Assembled Analogs," J. Am. Chem. Soc., 114:5861-5862 (1992) month of publication not available.
Widrig et al., "The electrochemical desorption of n-alkanethiol monolayers from polycrystalline Au and A electrodes," J. Electroanal. Chem., 310:335-359 (1991) month of publication not available.

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