1. Department of Chemistry Jagannath University Dhaka 1100 Bangladesh
2. Interdisciplinary Research Center for Hydrogen and Energy Storage (IRC-HES) King Fahd University of Petroleum & Minerals KFUPM Box 5040 Dhahran 31261 Saudi Arabia
3. Physics Department King Fahd University of Petroleum & Minerals KFUPM Box 5047 Dhahran 31261 Saudi Arabia