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| Naji, M. |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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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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Mathews, Nripan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Multinuclear solid-state NMR investigation of structurally diverse low-dimensional hybrid metal halide perovskites
- 2024Retinomorphic Color Perception Based on Opponent Process Enabled by Perovskite Bipolar Photodetectorscitations
- 2024Unravelling the Factors Influencing Halide Perovskite Based Switchable Photovoltaicscitations
- 2024Ion-Mediated Recombination Dynamics in Perovskite-Based Memory Light-Emitting Diodes for Neuromorphic Control Systemscitations
- 2020Potassium Acetate-Based Treatment for Thermally Co-Evaporated Perovskite Solar Cellscitations
- 2020Halide Perovskite Quantum Dots Photosensitized‐Amorphous Oxide Transistors for Multimodal Synapsescitations
- 2020Data for Cesium copper iodide tailored nanoplates and nanorods for blue, yellow, and white emissioncitations
- 2020Mixed-Dimensional Naphthylmethylammonium-Methylammonium Lead Iodide Perovskites with Improved Thermal Stabilitycitations
- 2019Indirect tail states formation by thermal-induced polar fluctuations in halide perovskitescitations
- 2019Indirect tail states formation by thermal-induced polar fluctuations in halide perovskitescitations
- 2018Ionotronic halide perovskite drift-diffusive synapses for low-power neuromorphic computationcitations
- 2018Enhancing moisture tolerance in efficient hybrid 3D/2D perovskite photovoltaicscitations
- 2017Giant five-photon absorption from multidimensional core-shell halide perovskite colloidal nanocrystalscitations
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article
Ion-Mediated Recombination Dynamics in Perovskite-Based Memory Light-Emitting Diodes for Neuromorphic Control Systems
Abstract
Neuromorphic devices can help perform memory-heavy tasks more efficiently due to the co-localization of memory and computing. In biological systems, fast dynamics are necessary for rapid communication, while slow dynamics aid in the amplification of signals over noise and regulatory processes such as adaptation- such dual dynamics are key for neuromorphic control systems. Halide perovskites exhibit much more complex phenomena than conventional semiconductors due to their coupled ionic, electronic, and optical properties which result in modulatable drift, diffusion of ions, carriers, and radiative recombination dynamics. This is exploited to engineer a dual-emitter tandem device with the requisite dual slow-fast dynamics. Here, a perovskite-organic tandem light-emitting diode (LED) capable of modulating its emission spectrum and intensity owing to the ion-mediated recombination zone modulation between the green-emitting quasi-2D perovskite layer and the red-emitting organic layer is introduced. Frequency-dependent response and high dynamic range memory of emission intensity and spectra in a LED are demonstrated. Utilizing the emissive read-out, image contrast enhancement as a neuromorphic pre-processing step to improve pattern recognition capabilities is illustrated. As proof of concept using the device's slow-fast dynamics, an inhibition of the return mechanism is physically emulated. © 2023 Wiley-VCH GmbH.