1. Solar Cell Applications Research Lab, Department of Physics, Government College University, Lahore 54000, Pakistan
2. Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China
3. Departament d’Enginyeria Qu′ ımica, Universitat Rovira I Virgili, Av Pä ısos Catalans 26, Tarragona 43007, Spain
4. Faculty of Veterinary and Animal Sciences, Muhammad Nawaz Shareef University of Agriculture, Multan, Punjab 66000, Pakistan
5. Department of Chemistry, Government College University Faisalabad, Pakpattan Chowk, Sahiwal, Punjab 57000, Pakistan
6. Department of Nanotechnology and Advanced Materials Engineering, Sejong University, Seoul 143-747, Republic of Korea
7. School of Chemical Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
8. Nanomaterials Research Group, Physics Division, PINSTECH, Nilore, Islamabad 45650, Pakistan
9. Health Physics Program, Department of Clinical & Diagnostic Sciences, The University of Alabama at Birmingham, Birmingham, Alabama 35294, United States