Two-Step Synthesis of Bismuth-Based Hybrid Halide Perovskite Thin-Films

Lead halide perovskites have been revolutionary in the last decade in many optoelectronic sectors. Their bismuth-based counterparts have been considered a good alternative thanks to their composition of earth-abundant elements, good chemical stability, and low toxicity. Moreover, their electronic st...

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Bibliographic Details
Published in:Materials 2021-12, Vol.14 (24), p.7827
Main Authors: Trifiletti, Vanira, Luong, Sally, Tseberlidis, Giorgio, Riva, Stefania, Galindez, Eugenio S S, Gillin, William P, Binetti, Simona, Fenwick, Oliver
Format: Article
Language:English
Subjects:
Annealing
Bismuth
Communication
Electronic structure
Lead compounds
Metal halides
Optoelectronics
Perovskites
Spectrum analysis
Standard deviation
Substrates
Synthesis
Thin films
Toxicity
X-rays
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Summary:Lead halide perovskites have been revolutionary in the last decade in many optoelectronic sectors. Their bismuth-based counterparts have been considered a good alternative thanks to their composition of earth-abundant elements, good chemical stability, and low toxicity. Moreover, their electronic structure is in a quasi-zero-dimensional (0D) configuration, and they have recently been explored for use beyond optoelectronics. A significant limitation in applying thin-film technology is represented by the difficulty of synthesizing compact layers with easily scalable methods. Here, the engineering of a two-step synthesis in an air of methylammonium bismuth iodide compact thin films is reported. The critical steps of the process have been highlighted so that the procedure can be adapted to different substrates and application areas.
ISSN:1996-1944
1996-1944
DOI:10.3390/ma14247827