Spray-Coated Lead-Free Cs2AgBiBr6 Double Perovskite Solar Cells with High Open-Circuit Voltage
| Autor: | Felix Lang, Gilles Spronck, Jennifer Dewalque, Catherine Henrist, Samuel D. Stranks, Nathan Daem, Pierre Colson, Rudi Cloots, Anthony Maho |
|---|---|
| Přispěvatelé: | Daem, Nathan [0000-0002-2173-0278], Dewalque, Jennifer [0000-0002-8859-9315], Lang, Felix [0000-0001-9711-380X], Maho, Anthony [0000-0002-3813-6240], Henrist, Catherine [0000-0002-7515-7729], Colson, Pierre [0000-0003-0567-2837], Stranks, Samuel D. [0000-0002-8303-7292], Cloots, Rudi [0000-0002-2648-0407], Apollo - University of Cambridge Repository |
| Rok vydání: | 2021 |
| Předmět: |
Materials science
ultrasonic spray deposition Energy Engineering and Power Technology 02 engineering and technology 010402 general chemistry 7. Clean energy 01 natural sciences law.invention lead-free solar cells law Solar cell Research article Electrical and Electronic Engineering Thin film Lead (electronics) Research Articles Cs2AgBiBr6 double perovskites business.industry Open-circuit voltage 021001 nanoscience & nanotechnology Atomic and Molecular Physics and Optics 0104 chemical sciences Electronic Optical and Magnetic Materials thin films Optoelectronics Double perovskite 0210 nano-technology business Research Article |
| Zdroj: | Solar RRL |
| ISSN: | 2367-198X |
| DOI: | 10.1002/solr.202100422 |
| Popis: | Lead‐free Cs2AgBiBr6 double perovskite is considered a promising alternative photovoltaic absorber to the widely used lead halide perovskite due to its easy processability, high stability, and reduced toxicity. Herein, for the first time spray processing for the deposition of Cs2AgBiBr6 double perovskite thin films is reported. Microstructural (X‐ray diffraction, scanning electron microscopy) and optoelectronic (absorbance, photoluminescence, photocurrent density versus applied voltage curves, electrochemical impedance spectroscopy) properties of spray‐coated film are compared with the spin‐coated benchmark. Incorporation of the spray‐coated Cs2AgBiBr6 double perovskite thin films in solar cells leads to a 2.3% photoconversion efficiency with high open‐circuit voltage of 1.09 V. This study highlights the suitability of ultrasonic spray deposition for the optimization of Cs2AgBiBr6 solar cells in terms of light absorption properties and charge transfer at the Cs2AgBiBr6/hole transporting layer interface. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|
Plný text