Formation of a Molecular Glue Based on the Electrochemical Reduction of 4-Hydroxyphenyldiazonium for the Attachment of Thin Sol–Gel Film on Glassy Carbon

Leora Shapiro and Daniel Mandler

The covalent attachment of a sol–gel thin film onto a glassy carbon electrode has been accomplished through the electrochemical reduction of 4-hydroxyphenyldiazonium. The latter forms a very thin layer on the glassy carbon with hydroxyl groups, through which the sol–gel is attached. We find that this “molecular glue” improves the adhesion of thin layers of sol–gel to a carbonaceous surface.

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Founded in 1887, the Zeitschrift für Physikalische Chemie covers the main developments in physical chemistry, placing with an emphasis on experimental research. It represents a combination ofdiscusses reaction kinetics and spectroscopy, surface research and electrochemistry, thermodynamics and the structure analysis of matter in its various conditions, among other topics.