Affiliation: | 1. Department of Chemistry, University of Perugia, Via Elce di Sotto 8, 06123 Perugia, Italy;2. Department of Chemistry, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208‐3113;3. Argonne‐Northwestern Solar Energy Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208‐3113;4. Materials Research Center, Northwestern University, 2145 Sheridan Road, Evanston, Illinois 60208‐3113 |