1. Central Department of Chemistry, Tribhuvan University, Kathmandu 44618, Nepal
2. Department of Nano Convergence Engineering, Jeonbuk National University, Jeonju 561-756, Republic of Korea
3. Department of Chemistry, Tri-Chandra Multiple Campus, Tribhuvan University, Kathmandu 44618, Nepal
4. Department of Chemical Engineering, Jeju National University, Jeju 690-756, Republic of Korea
5. Kathmandu University, Dhulikhel 45210, Nepal
6. Pulchowk Campus, Tribhuvan University, Kathmandu 44618, Nepal
7. Department of Chemistry, Amrit Campus, Tribhuvan University, Kathmandu 44613, Nepal