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Issue 19, 2017
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A semi-conductive organic–inorganic hybrid emits pure white light with an ultrahigh color rendering index

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Abstract

White-light emission has evoked great attention as one of the most promising technologies in the applications of solid-state lighting devices, light emitting diodes, and flat-panel displays. However, up to now, pure white-light emitting materials have rarely been reported. Here, we present a single-component white-light emitting semiconductor, [C5H9–NH3]4CdBr6, which exhibits CIE chromaticity coordinates of (0.33, 0.33). Notably, this value is the same as that of the standard pure white-light emission. Remarkably, it shows an ultrahigh color rendering index of 92.5, which exceeds that of mixed-phosphor light sources and is comparable to the recently reported highest one among single-component materials. Mechanistic studies indicate that the white-light emission originates from the synergetic effect of deep defects coupled with the organic component. Such an organic–inorganic hybrid with outstanding color characteristics will pave a new approach in the development of white-light emitting materials with practical applications.

Graphical abstract: A semi-conductive organic–inorganic hybrid emits pure white light with an ultrahigh color rendering index

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Publication details

The article was received on 17 Jan 2017, accepted on 20 Mar 2017 and first published on 21 Mar 2017


Article type: Paper
DOI: 10.1039/C7TC00279C
Citation: J. Mater. Chem. C, 2017,5, 4731-4735
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    A semi-conductive organic–inorganic hybrid emits pure white light with an ultrahigh color rendering index

    S. Wang, L. Li, Z. Sun, C. Ji, S. Liu, Z. Wu, S. Zhao, A. Zeb, M. Hong and J. Luo, J. Mater. Chem. C, 2017, 5, 4731
    DOI: 10.1039/C7TC00279C

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