1. Center for Polymers and Organic Solids, University of California, Santa Barbara, California 93106, United States
2. Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon 34134, Republic of Korea
3. Organic Materials Laboratory, Science & Innovation Center, Mitsubishi Chemical Corporation, 1000 Kamoshida-cho, Aoba-ku, Yokohama, Kanagawa 227-8502, Japan
4. Center for Advanced Soft Electronics, Department of Chemical Engineering, Pohang University of Science and Technology, Pohang, 37673, Republic of Korea