Single Crystal Growth of Hybrid Lead Bromide Perovskites Using a Spin-Coating Method
| Autor: | I. Rodriguez, Francisco Meseguer, Fernando Ramiro-Manzano, Rocío García-Aboal, Roberto Fenollosa, Pedro Atienzar |
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| Rok vydání: | 2018 |
| Předmět: |
Spin coating
Photoluminescence Materials science General Chemical Engineering Lead bromide Rotational speed 02 engineering and technology General Chemistry 010402 general chemistry 021001 nanoscience & nanotechnology 01 natural sciences Article 0104 chemical sciences lcsh:Chemistry Crystal QUIMICA ORGANICA lcsh:QD1-999 Chemical engineering Transmittance 0210 nano-technology Deposition (law) Perovskite (structure) |
| Zdroj: | ACS Omega, Vol 3, Iss 5, Pp 5229-5236 (2018) RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia instname ACS Omega |
| ISSN: | 2470-1343 |
| Popis: | [EN] 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 (MAPbBr3) 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. Financial support from the Spanish Ministry of Economy and Competitiveness (Severo Ochoa, SEV-2016-0683), Intramural CSIC project 201680I006, and Fundacion Ramon Areces (XVII Concurso Nacional para la adjudicacion de Ayudas a la Investigacion en Ciencias de la Vida y de la Materia) is gratefully acknowledged. Financial support was also provided by the Spanish Ministry of Economy and Competitiveness (Mineco) of Spain (TEC2015-74405-JIN), MAT2015-69669-P, and regional government grant PrometeoII/2017/026. |
| Databáze: | OpenAIRE |
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