C. Daniel Frisbie Group
Chemical Engineering & Materials Science
University of Minnesota - Twin Cities 		Films & Interfaces,
Molecular Crystals,
Molecular Electronics,
Organic Semiconductors,
Scanning Probe Microscopy

Vince Engelkes Vince Engelkes
Seagate Technology, Inc.
Ph.D. Materials Science, 2005

Electrical Characterization of Molecules
Using Conducting Probe Atomic Force Microscopy

My research involves the electrical characterization of single molecules.  Dimensional restrictions of current solid state circuits are fastly approaching, sparking interest in novel devices based on chemistry.  Specific molecules are known to exhibit electrical behavior including conduction, diodic rectification, and negative differential resistance.  Current research makes use of an atomic force microscope equipped with a conducting tip to make electrical measurements on single molecular layers self-assembled on a conducting substrate.  The goal of my project is to perform similar measurements within an electrochemical solution and study the behavior of redox active molecules.

Publications
"Contact Resistance in Metal-Molecule-Metal Junctions Based on Aliphatic SAMs: Effects of Surface Linker and Metal Work Function," Beebe, J. M.; Engelkes, V. B.; Miller, L. L.; Frisbie, C. D., J. Am. Chem. Soc. 2002, 124(38), 11268-11269.

Frisbie Home Page