[1] Friedrich Schiller Univ, Inst Organ Chem & Macromol Chem, Humboldtstr 10, D-07743 Jena, Germany
[2] Leibniz Inst Photon Technol Leibniz IPHT, Albert Einstein Str 9, D-07745 Jena, Germany
[3] Friedrich Schiller Univ, Inst Phys Chem, Helmholtzweg 4, D-07743 Jena, Germany
[4] Leibniz Inst Aging, Fritz Lipmann Inst FLI, Beutenbergstr 11, D-07745 Jena, Germany