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Issue 46, 2014
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Efficient light harvesting of a luminescent solar concentrator using excitation energy transfer from an aggregation-induced emitter

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Abstract

The compromise between light absorption and reabsorption losses limits the potential light conversion efficiency of luminescent solar concentrators (LSCs). Current approaches do not fully address both issues. By using the excitation energy transfer (EET) strategy with a donor chromophore that exhibits aggregation-induced emission (AIE) behaviour, it is shown that both transmission and reabsorption losses can be minimized in a LSC device achieving high light collection and concentration efficiencies. The light harvesting performance of the LSC developed has been characterized using fluorescence quantum yield measurements and Monte Carlo ray tracing simulations. Comparative incident photon conversion efficiency and short-circuit current data based on the LSC coupled to a silicon solar cell provide additional evidence for improved performance.

Graphical abstract: Efficient light harvesting of a luminescent solar concentrator using excitation energy transfer from an aggregation-induced emitter

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Publication details

The article was received on 25 Aug 2014, accepted on 16 Oct 2014, published on 22 Oct 2014 and first published online on 22 Oct 2014


Article type: Paper
DOI: 10.1039/C4CP03807J
Citation: Phys. Chem. Chem. Phys., 2014,16, 25358-25363
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    Efficient light harvesting of a luminescent solar concentrator using excitation energy transfer from an aggregation-induced emitter

    J. L. Banal, K. P. Ghiggino and W. W. H. Wong, Phys. Chem. Chem. Phys., 2014, 16, 25358
    DOI: 10.1039/C4CP03807J

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