1. Nano-Electrochemistry Laboratory, Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei 106, Taiwan
2. Department of Chemistry, Debre Markos University, Debre Markos 269, Ethiopia
3. Nano-Electrochemistry Laboratory, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei 106, Taiwan
4. Sustainable Energy Development Center, National Taiwan University of Science and Technology, Taipei 106, Taiwan
5. National Synchrotron Radiation Research Center, Hsin-Chu 30076, Taiwan