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Stereomutation in optically active regioregular polythiophenes


  • The authors thank Drs. E. E. Havinga and R. A. J. Janssen for valuable discussions, F. L. Haarman for measuring the optical Kerr effects, and Philips Research for an unrestricted research grant.


π-conjugated polymers substituted with optically active side chains (see Figure) have been studied using circular dichroism, a powerful technique which reveals conformational changes. Thermochroism with a unique stereomutation (see this month's cover also) has been observed in regioregular chiral polythiophenes.

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