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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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Supplementary files

Article information


Submitted
30 Jul 2018
Accepted
13 Sep 2018
First published
17 Sep 2018

Chem. Commun., 2018,54, 11479-11482
Article type
Communication

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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