[1] Southwest Univ, Sch Chem & Chem Engn, Chongqing 400715, Peoples R China
[2] Southwest Univ, Educ Minist, Key Lab Luminescence & Real Time Anal, Chongqing 400715, Peoples R China
[3] Natl Chiao Tung Univ, Inst Mol Sci, Dept Appl Chem, Hsinchu 300, Taiwan
[4] Natl Chiao Tung Univ, Ctr Interdisciplinary Mol Sci, Hsinchu 300, Taiwan