1. Nano-electrochemistry Laboratory, Department of Chemical Engineering, National Taiwan University of Science and Technology, Taipei city 106, Taiwan
2. Nano-electrochemistry Laboratory, Graduate Institute of Applied Science and Technology, National Taiwan University of Science and Technology, Taipei city 106, Taiwan
3. Sustainable Energy Development Center, National Taiwan University of Science and Technology, Taipei city 106, Taiwan
4. National Synchrotron Radiation Research Center (NSRRC), Hsinchu 30076, Taiwan