1. Department of Chemical Engineering, National Tsing Hua University, 101, Section 2, Kuang‐Fu Road, Hsinchu, 30013 (Taiwan)
2. Department of Chemical Engineering, National Chung Cheng University, Chiayi, 62102 (Taiwan)
3. National Synchrotron Radiation Research Center, 101 Hsin‐Ann Road, Hsinchu, 30076 (Taiwan)