[1] Max Planck Inst Polymer Res, Mainz, Germany
[2] Eindhoven Univ Technol, Microsyst, Inst Complex Mol Syst, Eindhoven, Netherlands
[3] Stanford Univ, Dept Mat Sci & Engn, Stanford, CA 94305 USA
[4] Exponent, 149 Commonwealth Dr, Menlo Pk, CA 94025 USA
[5] Univ Cambridge, Dept Engn, Cambridge, England
[6] King Abdullah Univ Sci & Technol KAUST, KAUST Solar Ctr, Phys Sci & Engn Div, Thuwal, Saudi Arabia
[7] Univ Brescia, Dept Informat Engn, I-25123 Brescia, Italy
[8] Univ Oxford, Dept Chem, Oxford, England