Temperature-responsive luminescent solar concentrators: tuning energy transfer in a liquid crystalline matrix

J.A.H.P. Sol, V. Dehm, R. Hecht, F. Würthner, A.P.H.J. Schenning, M.G. Debije

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Samenvatting

Temperature-responsive luminescent solar concentrators (LSCs) have been fabricated in which the Förster resonance energy transfer (FRET) between a donor-acceptor pair in a liquid crystalline solvent can be tuned. At room temperatures, the perylene bisimide (PBI) acceptor is aggregated and FRET is inactive; while after heating to a temperature above the isotropic phase of the liquid crystal solvent, the acceptor PBI completely dissolves and FRET is activated. This unusual temperature control over FRET was used to design a color-tunable LSC. The device has been shown to be highly stable towards consecutive heating and cooling cycles, making it an appealing device for harvesting otherwise unused solar energy.

Originele taal-2Engels
Pagina's (van-tot)1030-1033
Aantal pagina's4
TijdschriftAngewandte Chemie - International Edition
Volume57
Nummer van het tijdschrift4
DOI's
StatusGepubliceerd - 22 jan 2018

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