Affiliation: | 1. Soft Innovative Materials Research Center, Institute of Advanced Composite Materials, Korea Institute of Science and Technology, Jeollabuk-do 565-905, Republic of Korea;2. Department of Materials Science and Engineering, University of Washington, Box 352120, Seattle, WA 98195, USA;3. Department of Chemistry, University of Washington, Box 351700, Seattle, WA 98195, USA;4. Zhejiang-California International Nanosystems Institute, Zhejiang University, 310027 Hangzhou, PR China |