1. Center
for Polymers and Organic Solids, University of California, Santa Barbara, California 93106-5090, United States
2. Institute
of Polymer Optoelectronic Materials and Devices, State Key Laboratory
of Luminescent Materials and Devices, South China University of Technology, Guangzhou, 510640 People’s Republic of China
3. Functional
Materials Chemistry Group, Polymer Materials Unit National Institute
for Materials Science, 1-1 Namiki, Tsukuba 305-0044, Japan
4. Department
of Chemistry, University of California, Santa Barbara, California, 93106-9510, United States
5. Department
of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah 22254, Saudi Arabia
6. Department
of Physics, University of California, Santa Barbara, California, 93106-9530, United States