1. Department of Chemical Engineering, National Tsing Hua University, Hsinchu 300044, Taiwan
2. National Synchrotron Radiation Research Center, Hsinchu Science Park, Hsinchu 300092, Taiwan
3. Department of Chemistry, Fu Jen Catholic University, New Taipei City 241037, Taiwan
4. Department of Chemistry, Tunghai University, Taichung 407302, Taiwan
5. Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 300093, Taiwan
6. College of Semiconductor Research, National Tsing Hua University, Hsinchu 300044, Taiwan