The Lewis Group gratefully acknowledges the following federal agencies and industries for their generous support of our work

	Department of Energy, Division of Materials Sciences and Engineering, through the National Nanotechnology Initiative
	Multidisciplinary University Research Initiative through the Army Research Office
	Multidisciplinary University Research Initiative through the Air Force Office of Scientific Research
	National Science Foundation, Division of Materials Research
	National Science Foundation, Center for Directed Assembly of Nanostructures
	National Aeronautical and Space Administration, Office of Physical and Biological Research
	Rohm & Haas