[1] Lanzhou Univ, Sch Mat & Energy, Lanzhou 730000, Peoples R China
[2] Lanzhou Univ, Sch Phys Sci & Technol, Lanzhou 730000, Peoples R China
[3] Kohat Univ Sci & Technol Kohat, Dept Phys, Bannu 26000, Khyber Pakhtunk, Pakistan
[4] Univ Cordoba, Dept Quim Organ, Edificio Marie Curie C-3,Ctra Nnal IV-A,Km 396, E-14014 Cordoba, Spain
[5] Univ Lahore, Dept Chem, Lahore 54590, Pakistan
[6] King Saud Univ, Coll Sci, Dept Chem, Riyadh, Saudi Arabia
[7] Future Univ Egypt, Fac Engn & Technol, New Cairo 11835, Egypt
[8] Qinghai Normal Univ, Coll Phys & Elect Informat Engn, Xining 810008, Peoples R China