1. Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials; Faculty of Physics and Electronic Science; Hubei University; Wuhan Hubei 430062 China
2. Department of Energy Technology; Royal Institute of Technology; Stockholm SE 10044 Sweden
3. Department of Applied Physics; Aalto University; FI-00076 Aalto Espoo Finland
4. Department of Physics; COMSATS Institute of Information Technology; Lahore 54000 Pakistan
5. Key Laboratory of Applied Chemistry; Department of Environmental and Chemical Engineering; Yanshan University; 438 Hebei Street Qinhuangdao 066004 P.R. China
6. Department of Environment Engineering; Nanjing Institute of Technology; Jiangsu Nanjing 211167 China