Alkylation of Gold Surface by Treatment with C<sub>18</sub>H<sub>37</sub>HgOTs and Anodic Hg Stripping
作者:Malgorzata Mucha、Eva Kaletová、Anna Kohutová、Frank Scholz、Elizabeth S. Stensrud、Ivan Stibor、Lubomír Pospíšil、Florian von Wrochem、Josef Michl
DOI:10.1021/ja3117125
日期:2013.4.17
Treatment of a gold surface with a solution of C18H37HgOTs under ambient conditions results in the formation of a covalently adsorbed monolayer containing alkyl chains attached directly to gold, Hg(0) atoms, and no tosyl groups. It is stable against a variety of chemical agents. When the initial deposition is performed at a positive applied potential and is followed by oxidative electrochemical stripping
在环境条件下用 C18H37HgOTs 溶液处理金表面会导致形成共价吸附单层,其中包含直接连接到金、Hg(0) 原子和无甲苯磺酰基的烷基链。它对多种化学试剂稳定。当在正外加电位下进行初始沉积并随后进行氧化电化学剥离时,可以完全去除汞,留下仅覆盖有烷基链的金表面。连接结构的细节尚不清楚。结论基于红外光谱、X 射线和紫外光电子能谱、椭偏法、接触角测角法、微分脉冲极谱法以及电极阻塞和电化学导纳的测量。