1. Department of Mechanical and Energy Engineering and Integrated Nanosystems Development Institute, Purdue School of Engineering and Technology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, USA
2. School of Mechanical Engineering, Purdue University, West Lafayette, Indiana 47906, USA
3. Materials Science and Engineering, University of Texas at Austin, Austin, TX, 78712, USA
4. International Iberian Nanotechnology Laboratory, Braga, Portugal
5. Energy Conversion Group, Energy Technologies Area, Lawrence Berkeley National Laboratory, Berkeley, California 94720, USA
6. Department of Chemical and Biomolecular Engineering, University of California Berkeley, Berkeley, California 94720, USA
7. Department of Molecular and Cellular Biology, University of California, Davis, Davis, CA 95616-8665, USA
8. X-Ray Science Division, Argonne National Laboratory, Lemont, Illinois 60439, USA
9. Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, Oak Ridge, TN 37831, USA
10. Mechanical Engineering Department and IDMEC, Instituto Superior Técnico, University of Lisbon, Av. Rovisco Pais, 1049-001 Lisboa, Portugal