1. Department of Materials Science and Engineering, Pennsylvania State University, University Park, Pennsylvania 16802, USA
2. Centre for Sustainable Chemical Technologies and Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, United Kingdom
3. National Renewable Energy Laboratory, Golden, Colorado 80401, USA
4. Crystallography—Institute of Earth and Environmental Sciences, University of Freiburg, 79104 Freiburg, Germany