Nontemplate Synthesis of CH3NH3PbBr3 Perovskite Nanoparticles

To date, there is no example in the literature of free, nanometer-sized, organolead halide CH3NH3PbBr3 perovskites. We report here the preparation of 6 nm-sized nanoparticles of this type by a simple and fast method based on the use of an ammonium bromide with a medium-sized chain that keeps the nan...

Full description

Saved in:
Bibliographic Details
Published in:Journal of the American Chemical Society 2014-01, Vol.136 (3), p.850-853
Main Authors: Schmidt, Luciana C, Pertegás, Antonio, González-Carrero, Soranyel, Malinkiewicz, Olga, Agouram, Said, Mínguez Espallargas, Guillermo, Bolink, Henk J, Galian, Raquel E, Pérez-Prieto, Julia
Format: Article
Language:English
Online Access:Get full text
Tags: Add Tag
No Tags, Be the first to tag this record!
Description
Summary:To date, there is no example in the literature of free, nanometer-sized, organolead halide CH3NH3PbBr3 perovskites. We report here the preparation of 6 nm-sized nanoparticles of this type by a simple and fast method based on the use of an ammonium bromide with a medium-sized chain that keeps the nanoparticles dispersed in a wide range of organic solvents. These nanoparticles can be maintained stable in the solid state as well as in concentrated solutions for more than three months, without requiring a mesoporous material. This makes it possible to prepare homogeneous thin films of these nanoparticles by spin-coating on a quartz substrate. Both the colloidal solution and the thin film emit light within a narrow bandwidth of the visible spectrum and with a high quantum yield (ca. 20%); this could be advantageous in the design of optoelectronic devices.
ISSN:0002-7863
1520-5126
DOI:10.1021/ja4109209