1. Institute for Solar
and Sustainable Energies (RISE), Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju, 61002, Republic of Korea
2. Department of Chemistry and Centre for
Plastic Electronics, Imperial College London, Exhibition Rd., London, SW7 2AZ, U.K.
3. Heeger Center for Advanced Materials (HCAM), School of Material Science
and Engineering (SMSE), Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju, 61002, Republic of Korea
4. Radiation Research Division for Industry and Environment, Korea Atomic Energy Research Institute (KAERI), 29 Geumgu-gil, Jeongeup-si, Jeollabuk-do, 56212, Republic of Korea
5. School
of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdangwagi-ro, Buk-gu, Gwangju, 61002, Republic of Korea