Polymer enhanced stability of inorganic perovskite nanocrystals and their application in color conversion LEDs

M. Meyn, M. Perálvarez, A. Heuer Jungemann, W. Hertog, M. Ibanez Sabate, R. Nafria, A. Genç, J. Arbiol, M. Kovalenko, J. Carreras, A. Cabot, A. Kanaras, ACS Applied Materials and Interfaces 8 (2016) 19579–19586.


Journal Article | Published | English
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Abstract
Cesium lead halide (CsPbX3, X = Cl, Br, I) nanocrystals (NCs) offer exceptional optical properties for several potential applications but their implementation is hindered by a low chemical and structural stability and limited processability. In the present work, we developed a new method to efficiently coat CsPbX3 NCs, which resulted in their increased chemical and optical stability as well as processability. The method is based on the incorporation of poly(maleic anhydride-alt-1-octadecene) (PMA) into the synthesis of the perovskite NCs. The presence of PMA in the ligand shell stabilizes the NCs by tightening the ligand binding, limiting in this way the NC surface interaction with the surrounding media. We further show that these NCs can be embedded in self-standing silicone/glass plates as down-conversion filters for the fabrication of monochromatic green and white light emitting diodes (LEDs) with narrow bandwidths and appealing color characteristics.
Publishing Year
Date Published
2016-07-25
Journal Title
ACS Applied Materials and Interfaces
Acknowledgement
This work was supported by the European Regional Development Funds, the Framework 7 program under project UNION (FP7-NMP-2012-310250) and HI-LED (FP7-ICT-2013-11- 619912), as well as the Spanish MINECO Projects BOOSTER (ENE2013-46624-C4-3-R) and AMALIE (TEC2012-38901- C02-01). M.M. thanks the Spanish MINECO for financial support through the Juan de la Cierva-formacion program. A.G. and J.A. acknowledge funding from Generalitat de Catalunya 2014 SGR 1638 and the Spanish MINECO MAT2014-51480- ERC (e-ATOM) and Severo Ochoa Excellence Program. We would like to thank Pablo Guardia for fruitful discussions.
Volume
8
Issue
30
Page
19579 - 19586
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Cite this

Meyn M, Perálvarez M, Heuer Jungemann A, et al. Polymer enhanced stability of inorganic perovskite nanocrystals and their application in color conversion LEDs. ACS Applied Materials and Interfaces. 2016;8(30):19579-19586. doi:10.1021/acsami.6b02529
Meyn, M., Perálvarez, M., Heuer Jungemann, A., Hertog, W., Ibanez Sabate, M., Nafria, R., … Kanaras, A. (2016). Polymer enhanced stability of inorganic perovskite nanocrystals and their application in color conversion LEDs. ACS Applied Materials and Interfaces, 8(30), 19579–19586. https://doi.org/10.1021/acsami.6b02529
Meyn, Michaela, Mariano Perálvarez, Amelie Heuer Jungemann, Wim Hertog, Maria Ibanez Sabate, Raquel Nafria, Aziz Genç, et al. “Polymer Enhanced Stability of Inorganic Perovskite Nanocrystals and Their Application in Color Conversion LEDs.” ACS Applied Materials and Interfaces 8, no. 30 (2016): 19579–86. https://doi.org/10.1021/acsami.6b02529.
M. Meyn et al., “Polymer enhanced stability of inorganic perovskite nanocrystals and their application in color conversion LEDs,” ACS Applied Materials and Interfaces, vol. 8, no. 30, pp. 19579–19586, 2016.
Meyn M, Perálvarez M, Heuer Jungemann A, Hertog W, Ibanez Sabate M, Nafria R, Genç A, Arbiol J, Kovalenko M, Carreras J, Cabot A, Kanaras A. 2016. Polymer enhanced stability of inorganic perovskite nanocrystals and their application in color conversion LEDs. ACS Applied Materials and Interfaces. 8(30), 19579–19586.
Meyn, Michaela, et al. “Polymer Enhanced Stability of Inorganic Perovskite Nanocrystals and Their Application in Color Conversion LEDs.” ACS Applied Materials and Interfaces, vol. 8, no. 30, American Chemical Society, 2016, pp. 19579–86, doi:10.1021/acsami.6b02529.

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