1. Department of Materials Science and NanoEngineering, Rice University, Houston, Texas 77005, United States
2. Department of Chemistry and Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States
3. Univ Rennes, INSA Rennes, CNRS, Institut FOTON − UMR6082, Rennes F-35000, France
4. Department of Chemical and Biomolecular Engineering, Rice University, Houston, Texas 77005, United States
5. Applied Physics Graduate Program, Smalley-Curl Institution, Houston, Texas 77005, United States
6. School of Mechanical and Electric Engineering, Guangzhou University, Guangzhou, Guangdong 510006, China
7. Univ Rennes, ENSCR, INSA Rennes, CNRS, ISCR -UMR6226, Rennes F-35000, France