1. Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei106, Taiwan
2. Department of Chemical Engineering, National Tsing Hua University, Hsinchu300, Taiwan
3. Department of Physics, National Taiwan Normal University, Taipei106, Taiwan
4. National Synchrotron Radiation Research Center, Hsinchu300, Taiwan
5. Research and Development Center for Smart Textile Technology, National Taipei University of Technology, Taipei106, Taiwan