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Issue 29, 2017
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Excitonic interaction amongst InP/ZnS salt pellets

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Abstract

Salt matrix has recently been introduced as a promising robust platform for embedding colloidal quantum dots to provide them with photo stability for versatile applications. This work demonstrates the excitonic interaction amongst high efficiency colloidal InP/ZnS quantum dots embedded in a KCl salt matrix. By varying the donor acceptor ratio within the solid platform, 65% Förster Resonance Energy Transfer (FRET) efficiency was attained. Optimizing the donor : acceptor ratio, we demonstrated the first FRET-enabled Cd-free pellets for white light generation possessing a color rendering index (CRI) of 84.7, correlated color temperature (CCT) of 5347.5 K, and a high luminous efficacy of optical radiation value (LER) of 324.3 lm/Wopt. Our study of excitonic interactions within quantum dot-loaded salt matrices will open new possibilities for future versatile optoelectronic applications.

Graphical abstract: Excitonic interaction amongst InP/ZnS salt pellets

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Publication details

The article was received on 27 Apr 2017, accepted on 01 Jul 2017 and first published on 04 Jul 2017


Article type: Paper
DOI: 10.1039/C7TC01827D
Citation: J. Mater. Chem. C, 2017,5, 7328-7336
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    Excitonic interaction amongst InP/ZnS salt pellets

    Y. Altintas, A. Faruk Yazici, M. Unlu, S. Dadi, S. Genc and E. Mutlugun, J. Mater. Chem. C, 2017, 5, 7328
    DOI: 10.1039/C7TC01827D

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