Two alkylcatechols have been studied by means of STM at the liquid–solid interface. While for catechol 3 no molecular domains on the surface have been observed most likely due to the steric constraints imposed by the tert-butyl group, catechol 2 self-organizes both in nonanoic acid and TCB solvents. Combined molecular dynamics simulations have shown the large tendency of this catechol to remain and organize on surfaces. Moreover, by comparison with the results previously described for catechol 1, valuable information about the energetic and thermodynamics for the adsorption process of catechols can be extracted.
我们利用
STM 对液固界面上的两种烷基
邻苯二酚进行了研究。虽然
邻苯二酚 3 在表面上没有观察到分子域,这很可能是由于叔丁基的立体限制造成的,但
邻苯二酚 2 在
壬酸和
TCB 溶剂中都能自组织。综合分子动力学模拟显示,这种
邻苯二酚在表面上有很大的保留和组织趋势。此外,通过与之前描述的
邻苯二酚 1 的结果进行比较,可以提取出有关
邻苯二酚吸附过程的能量和热力学方面的宝贵信息。