1. SLAC National Accelerator Laboratory
2. Menlo Park
3. USA
4. National Renewable Energy Laboratory
5. Golden
6. State Key Laboratory of Solidification Processing, Center for Nano Energy Materials, School of Materials Science and Engineering, Northwestern Polytechnical University and Shaanxi Joint Laboratory of Graphene (NPU)
7. Xi’an
8. Hope College
9. Holland
10. Colorado School of Mines