Affiliation: | aLaboratory of Organic Optoelectronic Functional Materials and Molecular Engineering, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, No. 2, Bei-Yi-Tiao, Zhongguancun, Haidian District, Beijing 100080, PR China;bGraduate School of Chinese Academy of Sciences, Beijing 100080, PR China;cKanagawa Academy of Science and Technology, KSP Building East 412, 3-2-1 Sakado, Takatsu-ku, Kawasaki, Kanagawa 213-0012, Japan |