1. Department
of Chemistry, University of Wisconsin—Madison, 1101 University Avenue, Madison, Wisconsin 53706, United States
2. Department
of Electrical and Computer Engineering, University of Wisconsin—Madison, 3445 Engineering Hall, 1415 Engineering Drive, Madison, Wisconsin 53706, United States
3. Department
of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, United States
4. Adámas Nanotechnologies, 8100
Brownleigh Drive, Raleigh, North Carolina 27617, United States