Metal Deposition on Au (111) Modified with Self-Assembled Monolayers

摘要

The control of the chemical and physical properties of interface is of great interest for electrochemists and engineers as well.For this purpose,self-assembled monolayers (SAMs) on metals have become one of the most thoroughly studied systems since these organic compounds can fulfill the requirement of forming well-defined monolayers on metal surfaces and as an additional advantage they can be functionalized and manipulated in a very systematic fashion.In particular,monolayers of omega-substituted thiols (HS-(CH_2)_n-X ) can be tailored to specifically interact with metal ions as demonstrated in sensor applications.In this scope,metal deposition on single crystal electrodes modified with organic monolayers has captured the attention of an increasing number of research groups due to its considerable industrial importance (1,2).When considering metal deposition on such electrodes,one of the main questions to be resolved is the charge transfer mechanism through the interface.The process can take