1. Shenzhen Engineering Lab of Flexible Transparent Conductive Films, Department of Materials Science and Engineering, Harbin Institute of Technology, Shenzhen 518055, China
2. College of Material Science and Engineering, Shenzhen University, Shenzhen 518061, China
3. Dongguan CSG Solar Glass Comapany LTD, Machong
Town, Dongguan City 523141, China
4. School of Science, Harbin Institute of Technology, Shenzhen 518055, China