Intense redox-driven chiroptical switching with a 580 mV hysteresis actuated through reversible dimerization of an azoniahelicene
JR Brandt, L Pospíšil, L Bednárová… - Chemical …, 2017 - pubs.rsc.org
Chemical Communications, 2017•pubs.rsc.org
Electrochemical reduction of an azoniahelicene affords a dimer, accompanied by a strong
change in the electronic circular dichroism. The fast dimerisation event leads to a> 500 mV
shift of the oxidation potential, affording a large area of bistability, where the chiroptical
signal only depends on the redox history.
change in the electronic circular dichroism. The fast dimerisation event leads to a> 500 mV
shift of the oxidation potential, affording a large area of bistability, where the chiroptical
signal only depends on the redox history.
Electrochemical reduction of an azoniahelicene affords a dimer, accompanied by a strong change in the electronic circular dichroism. The fast dimerisation event leads to a >500 mV shift of the oxidation potential, affording a large area of bistability, where the chiroptical signal only depends on the redox history.
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