New Acidic Precursor and Acetone-Based Solvent for Fast Perovskite Processing via Proton-Exchange Reaction with Methylamine
A new solvent system for PbI<sub>2</sub> based on HI solution in acetone with a low boiling point is proposed. High solubility of PbI<sub>2</sub> is caused by the formation of iodoplumbate complexes, and reaches a concentration of 1.6 M. Upon its crystallization metastable so...
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| Format: | Article |
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MDPI AG
2020-04-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/25/8/1856 |
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| author | Sergey A. Fateev Ekaterina I. Marchenko Andrey A. Petrov Eugene A. Goodilin Alexey B. Tarasov |
| author_facet | Sergey A. Fateev Ekaterina I. Marchenko Andrey A. Petrov Eugene A. Goodilin Alexey B. Tarasov |
| author_sort | Sergey A. Fateev |
| collection | DOAJ |
| description | A new solvent system for PbI<sub>2</sub> based on HI solution in acetone with a low boiling point is proposed. High solubility of PbI<sub>2</sub> is caused by the formation of iodoplumbate complexes, and reaches a concentration of 1.6 M. Upon its crystallization metastable solvate phases PbI<sub>2</sub>∙HI∙n{(CH<sub>3</sub>)<sub>2</sub>CO} are formed. The latter allows for their easy deposition on substrates in a form of smooth and uniform thin films by spin-coating. Through a fast acid-base reaction with a gaseous amine, the films of the intermediate phase can be completely converted to single-phase perovskite films. The developed method allows one to form smooth perovskite films with high crystallinity with a thickness up to 1 μm. Due to easy and fast processing, the developed method can be promising for perovskite technology upscaling. |
| first_indexed | 2024-03-10T20:24:33Z |
| format | Article |
| id | doaj.art-cac36d3f8e0443339426f7821669e523 |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-10T20:24:33Z |
| publishDate | 2020-04-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-cac36d3f8e0443339426f7821669e5232023-11-19T21:56:44ZengMDPI AGMolecules1420-30492020-04-01258185610.3390/molecules25081856New Acidic Precursor and Acetone-Based Solvent for Fast Perovskite Processing via Proton-Exchange Reaction with MethylamineSergey A. Fateev0Ekaterina I. Marchenko1Andrey A. Petrov2Eugene A. Goodilin3Alexey B. Tarasov4Laboratory of New Materials for Solar Energetics, Department of Materials Science, Lomonosov Moscow State University, 1 Lenin Hills, 119991 Moscow, RussiaLaboratory of New Materials for Solar Energetics, Department of Materials Science, Lomonosov Moscow State University, 1 Lenin Hills, 119991 Moscow, RussiaLaboratory of New Materials for Solar Energetics, Department of Materials Science, Lomonosov Moscow State University, 1 Lenin Hills, 119991 Moscow, RussiaLaboratory of New Materials for Solar Energetics, Department of Materials Science, Lomonosov Moscow State University, 1 Lenin Hills, 119991 Moscow, RussiaLaboratory of New Materials for Solar Energetics, Department of Materials Science, Lomonosov Moscow State University, 1 Lenin Hills, 119991 Moscow, RussiaA new solvent system for PbI<sub>2</sub> based on HI solution in acetone with a low boiling point is proposed. High solubility of PbI<sub>2</sub> is caused by the formation of iodoplumbate complexes, and reaches a concentration of 1.6 M. Upon its crystallization metastable solvate phases PbI<sub>2</sub>∙HI∙n{(CH<sub>3</sub>)<sub>2</sub>CO} are formed. The latter allows for their easy deposition on substrates in a form of smooth and uniform thin films by spin-coating. Through a fast acid-base reaction with a gaseous amine, the films of the intermediate phase can be completely converted to single-phase perovskite films. The developed method allows one to form smooth perovskite films with high crystallinity with a thickness up to 1 μm. Due to easy and fast processing, the developed method can be promising for perovskite technology upscaling.https://www.mdpi.com/1420-3049/25/8/1856thin filmsmethylaminehybrid perovskiteslead halide perovskitesperovskite solar cellslead precursor |
| spellingShingle | Sergey A. Fateev Ekaterina I. Marchenko Andrey A. Petrov Eugene A. Goodilin Alexey B. Tarasov New Acidic Precursor and Acetone-Based Solvent for Fast Perovskite Processing via Proton-Exchange Reaction with Methylamine Molecules thin films methylamine hybrid perovskites lead halide perovskites perovskite solar cells lead precursor |
| title | New Acidic Precursor and Acetone-Based Solvent for Fast Perovskite Processing via Proton-Exchange Reaction with Methylamine |
| title_full | New Acidic Precursor and Acetone-Based Solvent for Fast Perovskite Processing via Proton-Exchange Reaction with Methylamine |
| title_fullStr | New Acidic Precursor and Acetone-Based Solvent for Fast Perovskite Processing via Proton-Exchange Reaction with Methylamine |
| title_full_unstemmed | New Acidic Precursor and Acetone-Based Solvent for Fast Perovskite Processing via Proton-Exchange Reaction with Methylamine |
| title_short | New Acidic Precursor and Acetone-Based Solvent for Fast Perovskite Processing via Proton-Exchange Reaction with Methylamine |
| title_sort | new acidic precursor and acetone based solvent for fast perovskite processing via proton exchange reaction with methylamine |
| topic | thin films methylamine hybrid perovskites lead halide perovskites perovskite solar cells lead precursor |
| url | https://www.mdpi.com/1420-3049/25/8/1856 |
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