1. College
of Materials and Energy, South China Agriculture University, Guangzhou, Guangdong 510642, China
2. Sialon Group, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
3. Key Lab of Urban Pollutant Conversion,
Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, Fujian 361021, China
4. NationStar Optoelectronics Corporation Limited, Foshan 528000, China
5. Appotronics
Corporation Limited, Shenzhen 518057, China