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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Wang, Junke
University of Oxford
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 20233D Perovskite Passivation with a Benzotriazole-Based 2D Interlayer for High-Efficiency Solar Cellscitations
- 20233D Perovskite Passivation with a Benzotriazole-Based 2D Interlayer for High-Efficiency Solar Cells.
- 20233D perovskite passivation with a benzotriazole-based 2D interlayer for high-efficiency solar cellscitations
- 2022Monolithic All-Perovskite Tandem Solar Cells with Minimized Optical and Energetic Lossescitations
- 2021Ultralow dark current in near-infrared perovskite photodiodes by reducing charge injection and interfacial charge generationcitations
- 2021Use of Sodium Diethyldithiocarbamate to Enhance the Open-Circuit Voltage of CH3NH3PbI3 Perovskite Solar Cellscitations
- 2021Use of Sodium Diethyldithiocarbamate to Enhance the Open-Circuit Voltage of CH 3 NH 3 PbI 3 Perovskite Solar Cellscitations
- 202016.8% Monolithic all-perovskite triple-junction solar cells via a universal two-step solution processcitations
- 202016.8% Monolithic all-perovskite triple-junction solar cells via a universal two-step solution processcitations
- 2019Air-stable and oriented mixed lead halide perovskite (FA/MA) by the one-step deposition method using Zinc Iodide and an Alkylammonium additivecitations
- 2019Air-Stable and Oriented Mixed Lead Halide Perovskite (FA/MA) by the One-Step Deposition Method Using Zinc Iodide and an Alkylammonium Additivecitations
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article
Use of Sodium Diethyldithiocarbamate to Enhance the Open-Circuit Voltage of CH3NH3PbI3 Perovskite Solar Cells
Abstract
<p>The incorporation of additives to modulate the properties of metal halide perovskite thin films has become a successful approach in improving the power conversion efficiency of perovskite-based solar cells. Herein, the beneficial use of sodium diethyldithiocarbamate (NaDEDTC) as processing agent in improving the open-circuit voltage of methylammonium lead triiodide perovskite solar cells is reported. DEDTC reduces the rate of perovskite crystallization. Absorption and emission spectra show that the optical bandgap of the perovskite films remain essentially unchanged and X-ray diffraction reveals the formation of preferentially oriented crystallites independent of the use of DEDTC. The use of DEDTC, however, results in a decrease in nonradiative decay as inferred from a two order of magnitude increase in electroluminescence efficiency, explaining the increased open-circuit voltage. Fourier-transform infrared spectroscopy, nuclear magnetic resonance, and X-ray photoelectron spectroscopy show that the DEDTC ligand is not present after the film processing. Therefore, DEDTC modulates film formation but is not incorporated in the perovskite or present as a surface ligand. Sodium ions, on the contrary, are incorporated in the perovskite layer.</p>