1. Nanochemistry Department, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
2. International Doctoral Program in Science, Università Cattolica del Sacro Cuore, 25121 Brescia, Italy
3. Istituto di Cristallografia - Consiglio Nazionale delle Ricerche (IC−CNR), Via Amendola 122/O, I-70126 Bari, Italy
4. Department of Chemistry, University of California Berkeley, Berkeley, California 94720, United States
5. Materials Sciences Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
6. Materials Characterization Facility, Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genova, Italy
7. Department of Materials Science and Engineering, University of California Berkeley, Berkeley, California 94720, United States
8. Kavli Energy NanoScience Institute, Berkeley, California 94720, United States
9. Department of Materials Science and Engineering, Cornell University, Ithaca, New York 14850, United States