Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 49, Pages 13609-13613Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201407968
Keywords
energy transfer; light-harvesting antenna; oligoarenotides; quantum coherence; supramolecular polymers
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Funding
- Swiss National Foundation [200020_149148]
- Swiss National Science Foundation (SNF) [200020_149148] Funding Source: Swiss National Science Foundation (SNF)
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The efficient collection of solar energy relies on the design and construction of well-organized light-harvesting systems. Herein we report that supramolecular phenanthrene polymers doped with pyrene are effective collectors of light energy. The linear polymers are formed through the assembly of short amphiphilic oligomers in water. Absorption of light by phenanthrene residues is followed by electronic energy transfer along the polymer over long distances (> 100 nm) to the accepting pyrene molecules. The high efficiency of the energy transfer, which is documented by large fluorescence quantum yields, suggests a quantum coherent process.
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