1. National Institute of Advanced Industrial Science and Technology (AIST), 1-8-31, Midorigaoka, Ikeda, Osaka 563-8577, Japan
2. Department of Greenergy, National University of Tainan, Tainan 70005, Taiwan
3. Innovation Center for Organic Electronics, Yamagata University, 1-808-48, Arcadia, Yonezawa, Yamagata 992-0119, Japan