Single Crystal Growth of Hybrid Lead Bromide Perovskites Using a Spin-Coating Method | Zendy

Rocío GarcíaAboal | Zendy; Roberto Fenollosa | Zendy; Fernando RamiroManzano | Zendy; Isabelle Rodríguez | Zendy; F. Meseguer | Zendy; Pedro Atienzar | Zendy

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Single Crystal Growth of Hybrid Lead Bromide Perovskites Using a Spin-Coating Method

Author(s) -

Rocío GarcíaAboal,

Roberto Fenollosa,

Fernando RamiroManzano,

Isabelle Rodríguez,

F. Meseguer,

Pedro Atienzar

Publication year - 2018

Publication title -

acs omega

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.779

H-Index - 40

ISSN - 2470-1343

DOI - 10.1021/acsomega.8b00447

Subject(s) - materials science , perovskite (structure) , photoluminescence , spin coating , quartz , single crystal , bromide , crystal (programming language) , nanomaterials , chemical engineering , transmittance , crystal growth , substrate (aquarium) , coating , micrometer , optoelectronics , nanotechnology , optics , inorganic chemistry , crystallography , chemistry , composite material , programming language , oceanography , physics , geology , computer science , engineering

Synthesis and studies of single crystals of hybrid perovskite are important for achieving a better understanding of the optoelectronic phenomena occurring in this material and for improving ongoing applications. Here, we report on the growth of micrometer-size single crystals of methylammonium lead bromide (MAPbBr 3 ) using the spin coating deposition method on a quartz substrate. We studied the influence of the rotation speed and the use of three different additives N -cyclohexyl-2-pyrrolidone, dimethyl sulfoxide, and 4- tert -butylpyridine on the crystal size and shape. The introduction of an additive in the precursor solution is revealed to be very useful for obtaining crystals with well-defined geometries and for decreasing the amount of defects. In this way, high-quality single crystals that sustain optical resonating modes were obtained and characterized by transmittance and photoluminescence measurements.

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