Affiliation: | 1. Research Center for Functional Materials and Nanomolecular Science, Electronic Devices and Nanophotonics Laboratory, Jacobs University Bremen, 28759 Bremen, Germany;2. Research Center Jülich, Institute of Energy Research-Photovoltaics, 52425 Jülich, Germany;3. Department of Physics and Centre for Plastic Electronics, Imperial College London, London SW7 2AZ, United Kingdom;4. Graduate School of Materials Science, Nara Institute of Science and Technology, Ikoma, Nara 630-0192, Japan |