1. School of Civil Engineering and Architecture, Chongqing University of Science & Technology, Chongqing 401331, P.R. China
2. Institute for Health and Environment, Chongqing University of Science & Technology, Chongqing 401331, P.R. China
3. Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P.R. China