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Nontemplate Synthesis of CH3NH3PbBr3 Perovskite Nanoparticles

Open access
Schmidt, Luciana C., Pertegás, Antonio, González-Carrero, Soranyel, Malinkiewicz, Olga, Agouram, Said, Mínguez Espallargas, Guillermo, Bolink, Henk J., Galian, Raquel E., Pérez-Prieto, Julia·2014·Journal of the American Chemical Society

Abstract

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.

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Crossref · 10.1021/ja4109209

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Metadata

Authors
Schmidt, L. C., Pertegás, A., González-Carrero, S., Malinkiewicz, O., Agouram, S., Mínguez Espallargas, G., Bolink, H. J., Galian, R. E., & Pérez-Prieto, J.
Venue
Journal of the American Chemical Society
Published
2014-01-09
Volume
136
Issue
3
Pages
850-853
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2335095889
Cited by
1,327
References
1
FWCI
60.31
Type
journal article
Language
en
Open access
green

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