利用和频发生(SFG)显微成像方法进行低碳钢表面硫醇自组装单层膜的空间分辨表面分析研究
Sum frequency generation imaging microscopy has been used to investigate a self-assembled monolayer ofan alkanethiol (octadecanethiol, ODT) on a mild steel surface. The images are used to analyze the orientationof the alkanethiol monolayer and the distribution of orientational angles as well as defects in the film. Theresults show that, on average, ODT forms an ordered monolayer on mild steel when compared to the samemonolayer on gold. However, the image analysis suggests that the distribution of tilt angles and conformationaldefects is greater for ODT on a mild steel surface compared to ODT/Au.