[1] Jiangsu Univ, Sch Mat Sci & Engn, Zhenjiang 212013, Jiangsu, Peoples R China
[2] Jinan Univ, Dept Phys, Siyuan Lab, Guangzhou 510632, Peoples R China
[3] COMSATS Univ Islamabad, Dept Phys, Lahore Campus, Lahore 54000, Pakistan
[4] Khwaja Fareed Univ Engn & Informat Technol, Dept Chem, Ryk 64200, Pakistan
[5] Univ Sargodha, Dept Earth Sci, Sargodha 40100, Pakistan
[6] South China Univ Technol, Sch Mat Sci & Engn, Guangzhou 510640, Peoples R China
[7] Xian Univ Architecture & Technol, Sch Mat Sci & Engn, FML, Xian 710055, Shaanxi, Peoples R China
[8] Quaid I Azam Univ, Dept Chem, Islamabad 45320, Pakistan