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Polymer-enhanced stability of inorganic perovskite nanocrystals and their application in color conversion LEDs
Meyns, Michaela (Institut de Recerca en Energia de Catalunya)
Perálvarez, Mariano (Institut de Recerca en Energia de Catalunya)
Heuer-Jungemann, Amelie (University of Southampton. Physics and Astronomy)
Hertog, Wim (Institut de Recerca en Energia de Catalunya)
Ibáñez, Maria (ETH Zürich. Institute of Inorganic Chemistry)
Nafria, Raquel (Institut de Recerca en Energia de Catalunya)
Genç, Aziz (Institut Català de Nanociència i Nanotecnologia)
Arbiol i Cobos, Jordi (Institut Català de Nanociència i Nanotecnologia)
Kovalenko, Maksym V. (ETH Zürich. Institute of Inorganic Chemistry)
Carreras, Josep (Institut de Recerca en Energia de Catalunya)
Cabot, Andreu (Institut de Recerca en Energia de Catalunya)
Kanaras, Antonios G. (University of Southampton. Physics and Astronomy)

Date: 2016
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.
Note: Número d'acord de subvenció AGAUR/2014/SGR-1638
Note: Número d'acord de subvenció MINECO/MAT2014-51480-ERC
Note: Número d'acord de subvenció MINECO/ENE2013-46624-C4-3-R
Note: Número d'acord de subvenció EC/FP7/310250
Note: Número d'acord de subvenció EC/FP7/619912
Note: Número d'acord de subvenció MINECO/TEC2012-38901-C02-01
Note: Número d'acord de subvenció MINECO/SEV-2013-0295
Rights: Tots els drets reservats.
Language: Anglès.
Document: article ; recerca ; acceptedVersion
Subject: CsPbBr₃ ; Color conversion ; Inorganic perovskite nanocrystals ; LED ; Poly(maleic anhydride-alt-1-octadecene)
Published in: ACS Applied Materials and Interfaces, Vol. 8, Issue 30 (August 2016) , p. 19579-19586, ISSN 1944-8252

DOI: 10.1021/acsami.6b02529


Post-print
14 p, 1.9 MB

The record appears in these collections:
Research literature > UAB research groups literature > Research Centres and Groups (scientific output) > Experimental sciences > Catalan Institute of Nanoscience and Nanotechnology (ICN2)
Articles > Research articles
Articles > Published articles

 Record created 2018-09-18, last modified 2019-03-28



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