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A DNA-Based Light-Harvesting Antenna


  • Financial support by the Swiss National Foundation (grant 200020-132581) is gratefully acknowledged.


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Shedding light on DNA: A DNA-based light-harvesting antenna has been synthesized. Light is absorbed by π-stacked phenanthrene units and efficiently transferred to a phenanthrene–pyrene exciplex. The whole system is structurally organized by a DNA scaffold. Up to eight phenanthrene units are used for light collection and the intensity of the exciplex emission is proportional to the number of light-absorbing chromophores.

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