Prof. Stefan Hecht, Ph.D.
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Department of Chemistry
& IRIS Adlershof
Humboldt-Universität zu Berlin
Brook-Taylor-Str. 2
12489 Berlin, Germany
DWI - Leibniz Institute for
Interactive Materials
& RWTH Aachen University
Forckenbeckstr. 50
52074 Aachen, Germany
www.dwi.rwth-aachen.de
Administrative Assistant:
Claudia Rothkirch
Phone: +49 (0)30 2093-7308
Fax: +49 (0)30 2093-6940
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News Details
Light-driven Dean-Stark trap
By designing unique photoswitches, which display light-driven reactivity reversal, so called “umpolung”, we were able to achieve selective and nearly quantitative covalent bond formation or scission simply by choosing the appropriate illumination wavelength – even if the underlying condensation/hydrolysis equilibrium is thermodynamically disfavored. Our approach allows to actively and reversibly removing specific components in a closed dynamic covalent system and thus resembles a molecular and bidirectional version of a macroscopic Dean–Stark trap. This pioneering study, which has just appeared in Nature Chemistry (link), has great potential for the development of light-driven adhesives and self-healing materials and might one day allow to photorecycle plastics. Congratulations to Micha and Fabi!
13.08.2018
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