[1] City Univ Hong Kong, Ctr Super Diamond & Adv Films COSDAF, Hong Kong, Hong Kong, Peoples R China
[2] City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Hong Kong, Peoples R China
[3] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Photochem Convers & Optoelect Mat, Beijing 100190, Peoples R China
[4] China Inst Vet Drug Control, Natl Reference Lab Vet Drug Residue, Beijing 100081, Peoples R China