1. Max Planck
Institute
for Polymer Research, Ackermannweg
10, 55128 Mainz, Germany
2. Institute of Materials Research and Engineering, A*STAR (Agency for Science, Technology and Research), 3 Research Link, 117602 Singapore
3. Materials
Science and Engineering, School for Engineering of Matter, Transport
and Energy, Arizona State University, Tempe, Arizona 85287, United States
4. Department
of Chemistry, Louisiana State University, Baton Rouge, Louisiana 70803, United States
5. Department
of Molecular Physics, Faculty of Chemistry, Lodz University of Technology, 90-924 Lodz, Poland
6. School
of Chemistry and Biochemistry, School of Materials Science and Engineering,
Center for Organic Photonics and Electronics, Georgia Institute of Technology, 901 Atlantic Drive, Atlanta, Georgia 30332, United States