Berlin 2001 – scientific programme
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CPP: Chemische Physik und Polymerphysik
CPP 16: Poster: Dynamics of Molecular Systems, Polymer Dynamics, Glass Transition, Crystallization, Electronic Properties of Polymers
CPP 16.27: Poster
Monday, April 2, 2001, 12:30–15:00, AT1
Chiroptical properties of chiral macrocycles — •Masao Oda1, Bernhard K"ohler2, Heinz-Georg Nothofer2, Dieter Neher1, and Ullich Scherf3 — 1Universit"at Potsdam, Institut f"ur Physik, Am Neuen Palais 10, 14469 Potsdam — 2Max-Planck-Institut f"ur Polymerforschung, Ackermannweg 10, 55128 Mainz — 3Universit"at Potsdam, Institut f"ur Phys. Chem und Theor. Chem., Karl-Liebknecht-Str. 24-25, 14476 Golm
Novel semi-rigid, chiral macrocycles consisting of two electronically interacting arylene chromophores and two chiral spiroindane clips were synthesized. Solutions of these molecules were observed to show circular dichroisms, which can be interpreted by the exciton-coupling-theory, together with ab initio MO calculation. The results provide us with valuable information to understand the exceptional chiroptical properties of chiral polyfluorenes in absorption and photo- and electroluminescence.