1. Department of Chemistry, National Institute of Technology Meghalaya, Bijni Complex, Laitumkhrah, Shillong, 793003, Meghalaya, India
2. Department of Energy Engineering, Hanyang University, 222 Wangsimni-ro, Sageun-dong, Seongdong-gu, Seoul, 133791, South Korea
3. Department of Physics, North Eastern Hill University, Umshing Mawkynroh, Shillong, 793022, Meghalaya, India
4. Department of Polymer and Process Engineering, Indian Institute of Technology Roorkee, Saharanpur Campus, Saharanpur, 247001, Uttar Pradesh, India