1. Department of Chemistry and Chemical Engineering, Chalmers University of Technology, SE-412 96 Göteborg, Sweden
2. Department of Chemistry, Ångström Laboratory, Uppsala University, Box 538, 75121 Uppsala, Sweden
3. NIST Center for Neutron Research, National Institute of Standards and Technology, Gaithersburg, Maryland 20899-6102, United States
4. Energy Nanomaterials, Sandia National Laboratories, Livermore, California 94551, United States
5. Institute of Metal Physics, Ural Branch of the Russian Academy of Sciences, Ekaterinburg 620108, Russia
6. National Renewable Energy Laboratory, Golden, Colorado 80401, United States
7. Laboratory of Semiconductor Materials, Institute of Materials, Ecole Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
8. Department of Chemistry, University of Maryland, College Park, Maryland 20742, United States
9. Department of Materials Science and Engineering, University of Maryland, College Park, Maryland 20742, United States