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Issue 81, 2018
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Secondary inner filter effect allows extremely efficient pure white light emission by spatially separated organic fluorophores

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Abstract

Efficient white light emission (WLE) using a combination of organic fluorophores requires careful modulation of their distance and orientation. We exploited the secondary inner filter effect (sIFE) between a multi-responsive 2-(1-pyrenyl)benzimidazole (PyBIM) and perylene-monoimide (PMI) secondary emitter to obtain pure WLE (CIE coordinates 0.33, 0.33) with an unsurpassed efficiency of 70 ± 3% under ambient conditions in highly diluted conditions. The sIFE based approach allows extremely efficient WLE using simple fluorophores that are spatially separated.

Graphical abstract: Secondary inner filter effect allows extremely efficient pure white light emission by spatially separated organic fluorophores

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Publication details

The article was received on 30 Jul 2018, accepted on 13 Sep 2018 and first published on 17 Sep 2018


Article type: Communication
DOI: 10.1039/C8CC06203J
Citation: Chem. Commun., 2018,54, 11479-11482

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    Secondary inner filter effect allows extremely efficient pure white light emission by spatially separated organic fluorophores

    H. Aggarwal, R. Kumar and A. Srivastava, Chem. Commun., 2018, 54, 11479
    DOI: 10.1039/C8CC06203J

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