1. Beijing Key Laboratory for Optical Materials and Photonic Devices, Department of Chemistry, Capital Normal University, Beijing100048, People’s Republic of China
2. Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Institute of Molecule Plus, Tianjin University, Tianjin300072, P. R. China
3. Department of Physics and Center for Optoelectronics and Photonics Paderborn (CeOPP), Universität Paderborn, Warburger Strasse 100, 33098Paderborn, Germany
4. Wyant College of Optical Sciences, University of Arizona, Tucson, Arizona85721, United States
5. PHOTON-N2, CNRS, Institut Pascal, Université Clermont Auvergne, Clermont INP, F-63000Clermont-Ferrand, France
6. Institut Universitaire de France (IUF), 75231Paris, France