1. Key Lab New Processing Technology for Nonferrous Metals & Materials Ministry of Education, Guangxi Key Lab of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin, Guangxi 541004, China
2. College of Environmental Science and Engineering, Guilin University of Technology, Guilin, Guangxi 541004, China
3. College of Science, Guilin University of Technology, Guilin, Guangxi 541004, China