1. Department of Applied Science & Humanities Rajkiya Engineering College Banda Uttar Pradesh 210201 India
2. Center of Excellence on Solar Cells and Renewable Energy School of Basic Science and Research Sharda University Greater Noida Uttar Pradesh 201306 India
3. Department of Materials Science and Engineering University of Pennsylvania Philadelphia PA 19104 USA
4. Lam Research Corporation Fremont CA 94538 USA
5. Professor Rajendra Singh Nanoscience and Nanotechnology Centre Department of Chemistry DSB Campus Kumaun University Nainital Uttarakhand 263001 India
6. Department of Chemistry Lomonosov Moscow State University 1–3 Leninskiye Gory Moscow 119991 Russia