Affiliation: | M. Faisal1), Sher Bahadar Khan1), Mohammed M. Rahman1), Aslam Jamal1), Kalsoom Akhtar2) and M.M. Abdullah1) 1) Centre for Advanced Materials and Nano-Engineering (CAMNE) and Department of Chemistry, Faculty of Sciences and Arts, Najran University, Najran 11001, Kingdom of Saudi Arabia 2) Division of Nano Sciences and Department of Chemistry, Ewha Womans University, Seoul 120-750, Korea |