1. School of Chemical Engineering, Nanjing University of Science and Technology, 200 Xiao Ling Wei, Nanjing 210094, P. R. China
2. Department of Materials, Imperial College London, London SW7 2AZ - UK, U.K.
3. International Research Centre for Soft Matter, Beijing University of Chemical Technology, 100099 Beijing, PR China
4. Soft Matter and Functional Materials, Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, 14109 Berlin, Germany
5. Institute of Chemistry, University of Potsdam, 14467 Potsdam, Germany
6. Physikalisches Institut, Albert-Ludwigs-Universität, 79104 Freiburg, Germany
7. Institut für Physik, Humboldt-Universität zu Berlin, 12489 Berlin, Germany