1. Department of Photonics, National Cheng Kung University, 70101 Tainan, Taiwan, ROC
2. Department of Chemistry, Fu Jen University, 20405 New Taipei City, Taiwan ROC
3. Department of Chemical Engineering, National Cheng Kung University, 70101 Tainan, Taiwan, ROC
4. Advanced Optoelectronic Technology Center, National Cheng Kung University, 70101 Tainan, Taiwan, ROC