1. Department
of Chemistry and the Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
2. Department
of Chemistry, University of Milan, INSTM Research Unit, Via C.
Golgi 19, 20133 Milano, Italy
3. Materials
Science Department, University of Milano-Bicocca, Via R. Cozzi 53, 20126, Milan, Italy
4. Applied
Physics Program, Materials Science and Engineering Department and
Material Research Center, Northwestern University, Evanston, Illinois 60208, United States
5. Flexterra
Inc., 8025 Lamon Ave., Skokie, Illinois 60077, United States