1. Center for High Pressure Science and Technology Advanced Research, Beijing 100094, P. R. China
2. College of Chemistry and Environmental Science, Hebei University, Baoding 071002, P. R. China
3. Great Bay University, Dongguan 523000, P. R. China
4. School of Materials Science and Engineering, Peking University, Beijing 100871, P. R. China
5. State Key Laboratory of Heavy Oil Processing, College of Chemical Engineering and Environment, China University of Petroleum─Beijing, Beijing 102249, P. R. China
6. Key Laboratory of Weak-Light Nonlinear Photonics, School of Physics, Nankai University, Tianjin 300071, P. R. China