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Highly efficient Cs-based perovskite light-emitting diodes enabled by energy funnelling

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Abstract

The incorporation of phenylethylammonium bromide (PEABr) into a fully inorganic CsPbBr3 perovskite framework led to the formation of mixed-dimensional perovskites, which enhanced the photoluminescence due to efficient energy funnelling and morphological improvements. With a PEABr : CsPbBr3 ratio of 0.8 : 1, PeLEDs with a current efficiency of 6.16 cd A−1 and an EQE value of 1.97% have been achieved.

Graphical abstract: Highly efficient Cs-based perovskite light-emitting diodes enabled by energy funnelling

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Publication details

The article was received on 23 Aug 2017, accepted on 09 Oct 2017 and first published on 09 Oct 2017


Article type: Communication
DOI: 10.1039/C7CC06615E
Citation: Chem. Commun., 2017, Advance Article
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    Highly efficient Cs-based perovskite light-emitting diodes enabled by energy funnelling

    Y. F. Ng, S. A. Kulkarni, S. Parida, N. F. Jamaludin, N. Yantara, A. Bruno, C. Soci, S. Mhaisalkar and N. Mathews, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC06615E

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