1. Computer, Electrical and Mathematical Sciences and Engineering
2. King Abdullah University of Science and Technology
3. Thuwal 23955-6900
4. Kingdom of Saudi Arabia
5. CAS Center for Excellence in Nanoscience
6. Beijing Key Laboratory of Micro-nano Energy and Sensor
7. Beijing Institute of Nanoenergy and Nanosystems
8. Chinese Academy of Sciences
9. Beijing 100083
10. School of Materials Science and Engineering
11. Georgia Institute of Technology
12. Atlanta
13. USA
14. Department of Materials Science and Engineering