[1] Nanjing Univ Posts & Telecommun, Inst Adv Mat, Nanjing 210003, Peoples R China
[2] Chinese Acad Sci, Xian Inst Opt & Precis Mech, State Key Lab Transient Opt & Photon, Xian 710119, Peoples R China
[3] Chinese Acad Sci, Grad Sch, Beijing 100039, Peoples R China
[4] Xian Modern Chem Res Inst, Xian 710065, Peoples R China