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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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| 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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Ahmad, Shahab
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2023Strong Photocurrent from Solution‐Processed Ruddlesden–Popper 2D Perovskite–MoS<sub>2</sub> Hybrid Heterojunctionscitations
- 2019Triple-Cation-Based Perovskite Photocathodes with AZO Protective Layer for Hydrogen Production Applications.
- 2018Lead-Free Perovskite Semiconductors Based on Germanium-Tin Solid Solutions:Structural and Optoelectronic Propertiescitations
- 2018Carbon nanotube conductive additives for improved electrical and mechanical properties of flexible battery electrodescitations
- 2018Lead-Free Perovskite Semiconductors Based on Germanium-Tin Solid Solutionscitations
- 2015Strong Photocurrent from Two-Dimensional Excitons in Solution-Processed Stacked Perovskite Semiconductor Sheets
- 2015Strong Photocurrent from Two-Dimensional Excitons in Solution-Processed Stacked Perovskite Semiconductor Sheetscitations
- 2015Strong photocurrent from 2D excitons in solution-processed stacked perovskite semiconductor sheets
- 2014In situ intercalation dynamics in inorganic-organic layered perovskite thin films.
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article
Strong Photocurrent from Solution‐Processed Ruddlesden–Popper 2D Perovskite–MoS<sub>2</sub> Hybrid Heterojunctions
Abstract
<jats:title>Abstract</jats:title><jats:p>This study reports overall improvement in structural, morphological, and optoelectronic properties of Ruddlesden–Popper (RP) perovskites of type (BA)<jats:sub>2</jats:sub>(MA)<jats:italic><jats:sub>n</jats:sub></jats:italic><jats:sub>−1</jats:sub>Pb<jats:italic><jats:sub>n</jats:sub></jats:italic>I<jats:sub>3</jats:sub><jats:italic><jats:sub>n</jats:sub></jats:italic><jats:sub>+1</jats:sub> by forming their bulk heterojunction hybrids with few‐layer MoS<jats:sub>2</jats:sub> nanoflakes. RP perovskite–MoS<jats:sub>2</jats:sub> hybrid thin films have shown significantly improved packing and crystallinity compared to pristine perovskites. The presence of MoS<jats:sub>2</jats:sub> at RP perovskite interface has improved the quantum confinement effects and transport of photogenerated charge carriers from perovskite to MoS<jats:sub>2</jats:sub>, due to suitable conduction band of MoS<jats:sub>2</jats:sub> and more number of decay channels. The optoelectronic properties of RP perovskite–MoS<jats:sub>2</jats:sub> hybrids are studied for various MoS<jats:sub>2</jats:sub> concentrations (4.2–25.6 × 10<jats:sup>−3</jats:sup> <jats:sc>m</jats:sc>) and at optimum concentration (12.8 × 10<jats:sup>−3</jats:sup> <jats:sc>m</jats:sc>) the photodetectors (<jats:italic>n</jats:italic> = 2, 4) have shown strong, sharp, and highly stable photocurrent response. At 0.0 V bias, the RP perovskite (<jats:italic>n</jats:italic> = 4) and MoS<jats:sub>2</jats:sub> (12.8 × 10<jats:sup>−3</jats:sup> <jats:sc>m</jats:sc>) hybrid‐based photodetectors, prepared without any encapsulation, have shown strong photocurrent density of ≈9.8 µA cm<jats:sup>−2</jats:sup> under 1 sun illumination, which is ≈17 times higher compared to the pristine RP perovskites‐based photodetector (0.6 µA cm<jats:sup>−2</jats:sup>). Further transient photocurrent, performed over 200 cycles for hybrid (<jats:italic>n</jats:italic> = 4+MoS<jats:sub>2</jats:sub>) thin film photodetector under laser (λ<jats:sub>ex</jats:sub> ≈ 405 nm, ≈630 mW cm<jats:sup>−2</jats:sup>) illumination and ambient air conditions has shown highly stable photocurrent with only ≈9.6% reduction in the peak photocurrent density.</jats:p>