Nanofabrication and characterization of electronic and optical materials and devices; Specific areas of interest include: On-chip assembly of nanowire-based devices for electronic, chemical, and biological sensing applications; Fabrication and measurement of the electronic and vibronic properties of molecular junction devices with self-assembled monolayers and single molecules; Integration of semiconductor and metal nanowires for energy conversion and infrared detection; Genetically-engineered metallodielectric and all-dielectric nanostructures for optical filters, coatings, and refractive-index engineered thin films.