1. Department of Chemistry, University of Okara, Okara 56300, Pakistan
2. Graduate School of Energy Science and Technology, Chungnam National University, Daejeon 34134, Republic of Korea
3. School of Chemistry, University of the Punjab, Lahore 54590, Pakistan
4. Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia