1. Department of Electro-Optical Engineering, Advanced Nanophotonics Technology Laboratory, National Taipei University of Technology, Taipei 10608, Taiwan
2. Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
3. Department of Electronic Engineering, Lunghwa University of Science and Technology, Taoyuan 333, Taiwan
4. Department of Chemistry, Photonic Materials Research Laboratory, NCU-Covestro Research Center, National Central University, Taoyuan 320, Taiwan
5. Institute of Organic and Polymeric Materials, National Taipei University of Technology, Taipei 106, Taiwan