Hou Kuang-Yu, Yu Lei, Severson Mark W, Zeng Xiangqun
Department of Chemistry, Oakland University, Rochester, Michigan 48309, USA.
J Phys Chem B. 2005 May 19;109(19):9527-31. doi: 10.1021/jp044948h.
A simple method was used to prepare a "switchable" electrode surface by using self-assembled monolayers of dodecanethiol on a gold electrode. The dodecane-modified electrode was electrochemically inactive until the monolayer was soaked in solutions of 1,10-phenanthroline or 2,2'-bipyridine. The electroactive form of the electrode could be reverted back to the nonelectroactive form by rinsing the electrode. Surface IR results showed that both dodecanethiol and 1,10-phenanthroline exist in the mixed monolayer.
采用一种简单的方法,通过在金电极上使用十二烷硫醇的自组装单分子层来制备“可切换”电极表面。在将单分子层浸泡在1,10 - 菲咯啉或2,2'-联吡啶溶液中之前,十二烷修饰的电极是电化学惰性的。通过冲洗电极,电极的电活性形式可以恢复到非电活性形式。表面红外结果表明,十二烷硫醇和1,10 - 菲咯啉都存在于混合单分子层中。