1. Laboratory for Molecular Engineering of Optoelectronic Nanomaterials, Institute of Chemical Sciences and Engineering, École Polytechnique Fédérale de Lausanne (EPFL), Station 6, 1015 Lausanne, Switzerland
2. Centre Suisse d’Electronique et Microtechnique (CSEM) SA, Jacquet Droz 1, 2002 Neuchâtel, Switzerland
3. Creative Future Laboratory, Korea Electric Power Corporation (KEPCO), 65 Munji-Ro, Yuseong-Gu, Daejeon 305-760, Republic of Korea