1. Department
of Materials Science and Engineering and the Materials Research Center,
the Argonne-Northwestern Solar Energy Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208, United States
2. Department
of Chemistry and the Materials Research Center, the Argonne-Northwestern
Solar Energy Research Center, Northwestern University, 2145 Sheridan
Road, Evanston, Illinois 60208, United States
3. Department
of Materials Science and Engineering, South University of Science and Technology of China, No. 1088, Xueyuan Boulevard, Shenzhen, Guangdong 518055, China
4. Department
of Physical Chemistry, University of Málaga, Campus de Teatinos s/n, Málaga 29071, Spain
5. Chemical
Sciences and Engineering Division, Argonne National Laboratory, 9700 South Cass Avenue, Lemont, Illinois 60439, United States
6. Polyera Corporation, 8045 Lamon Avenue, Skokie, Illinois 60077, United States