Investigation of Compact Layers at a Liquid/Liquid Interface
Abstract
The two objectives of this project are: (1) to utilize the atomic resolution provided by the scanning tunneling microscope (STM) to obtain molecular information about molecules adsorbed on liquid surface; and (2) to provide a compression/expansion micro-Langmuir Blodgett system. Standard techniques for studying liquid surfaces only describe the average behavior of large numbers of molecules. The STM may supply molecular-scale information about the electronic structure of a liquid surface if the molecules of interest are immobilized into a two-dimensional crystal. We have studied the mercury/air interface as a function of adsorbate surface pressure using a mercury sessile drop that can be expanded and contracted using a digitially controlled microliter syringe (Molecular Vise system). The added feature of this arrangement is the ability to control precisely the volume and, thus, the surface area of the sessile mercury drop.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 27, 1993
- Accession Number
- ADA283949
Entities
People
- Jiri Janata
Organizations
- University of Utah