1. MOE Key Laboratory of Green Chemistry and Technology, College of Chemistry, Sichuan University, Chengdu, Sichuan 610064, P. R. China
2. Genome Research Center of Biomaterial, Sichuan University, Chengdu, Sichuan 610064, P. R. China
3. Institute of Atomic and Molecular Physics, MOE Key Laboratory of High Energy Density Physics and Technology, Sichuan University, Chengdu, Sichuan 610065, P. R. China