Color-stable water-dispersed cesium lead halide perovskite nanocrystals

Gomez, Leyre ; de Weerd, Chris ; Hueso Martos, Jose Luis ; Gregorkiewicz, Tom

Resumen: Cesium lead halide perovskite nanocrystals are being lately explored for optoelectronic applications due to their emission tunability, high photoluminescence quantum yields, and narrow emission bands. Nevertheless, their incompatibility with polar solvents and composition homogenization driven by a fast anion-exchange are still important drawbacks to overcome. Herein we report on a successful encapsulation of colloidal perovskite nanocrystals within solid–lipid structures mainly consisting of stearic acid. The product is water-stable for a period longer than 2 months and anion-exchange is fully arrested when mixing nanocrystals of different halide compositions. This strategy boosts the potential applications of allinorganic perovskite nanocrystals for ink-printing.

Idioma: Inglés

DOI: 10.1039/c6nr08892a

Año: 2017

Publicado en: NANOSCALE 9 (2017), 631-636
ISSN: 2040-3364

Factor impacto JCR: 7.233 (2017)

Categ. JCR: MATERIALS SCIENCE, MULTIDISCIPLINARY rank: 30 / 285 = 0.105 (2017) - Q1 - T1
Categ. JCR: NANOSCIENCE & NANOTECHNOLOGY rank: 18 / 92 = 0.196 (2017) - Q1 - T1
Categ. JCR: CHEMISTRY, MULTIDISCIPLINARY rank: 25 / 171 = 0.146 (2017) - Q1 - T1
Categ. JCR: PHYSICS, APPLIED rank: 15 / 146 = 0.103 (2017) - Q1 - T1

Factor impacto SCIMAGO: 2.934 - Nanoscience and Nanotechnology (Q1) - Materials Science (miscellaneous) (Q1)

Tipo y forma: Article (Published version)