1. Department
of Mechanical Engineering, Purdue School of Engineering and Technology, Indiana University-Purdue University Indianapolis, Indianapolis, Indiana 46202, United States
2. Materials
Science and Engineering Program, The University of Texas at Austin, Austin, Texas 78712, United States
3. Department
of Chemical and Biological Engineering, Biorenewables Research Laboratory, Iowa State University, Ames, Iowa 50011, United States
4. School of
Materials Engineering, Purdue University, West Lafayette, Indiana 47907, United States
5. Advanced
Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, United States
6. Center
for Nanoscale Materials, Argonne National Laboratory, 9700 South
Cass Avenue, Argonne, Illinois 60439, United States
7. Weldon
School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, United States