1. Laboratory of Advanced Functional Materials
2. Fujian Institute of Research on the Structure of Matter
3. Chinese Academy of Sciences
4. Xiamen 361021
5. China
6. Institute of Chemical Sciences and Engineering
7. École Polytechnique Fédérale de Lausanne
8. CH-1015 Lausanne
9. Switzerland
10. Institute of Physics
11. Wuhan National Laboratory for Optoelectronics
12. Huazhong University of Science and Technology
13. Wuhan 430074
14. Group for Molecular Engineering of Functional Materials
15. CH-1951 Sion