Affiliation: | 1. Institute of Polymer Optoelectronic Materials and Devices, State Key Laboratory of Luminescent Materials and Devices, South China University of Technology, Guangzhou, P. R. China;2. Department of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai, P. R. China;3. Materials Sciences Division, Lawrence Berkeley National Lab, Berkeley, CA, USA;4. Polymer Science and Engineering Department, University of Massachusetts, Amherst, MA, USA |