1. School of Intelligent Manufacturing Engineering , Chongqing University of Arts and Science , Chongqing , 402106 , China ; College of Materials Science and Engineering , Chongqing University , Chongqing , 400044 , China
2. College of Materials Science and Engineering , Chongqing University , Chongqing , 400044 , China ; Tel.: +86 23 65111547; Fax: +86 23 65106407
3. School of Intelligent Manufacturing Engineering , Chongqing University of Arts and Science , Chongqing , 402106 , China
4. College of Chemistry and Environmental Engineering , Chongqing University of Arts and Science , Chongqing , 402106 , China
5. College of Materials Science and Engineering , Chongqing University , Chongqing , 400044 , China