1. Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, Berkeley, California 94720; Department of Chemical Engineering, University of California, Berkeley, Berkeley, California 94720; Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, Berkeley, California 94720; Department of Chemistry, University of Athens, Panepistimiopolis Zografou, 157 71 Athens, Greece; and Australian Synchrotron...