Authors: Wolfgang Tress
Source: Proceedings of the International Conference on Hybrid and Organic Photovoltaics (article, 2024-02-06)
Field: Materials Science — Polymers and Plastics

Stability – From Perovskite Solar Cells to Memristors Stability – From Perovskite Solar Cells to MemristorsWolfgang Tress aa Institute of Computational Physics, Zurich University of Applied Sciences, Winterthur, Switzerland, Gertrudstrasse, 15, Winterthur, SwitzerlandInternational Conference on Hybrid and Organic PhotovoltaicsProceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV24)València, Spain, 2024 May 12th - 15thOrganizer: Bruno EhrlerInvited Speaker Session, Wolfgang Tress, presentation 153DOI: https://doi.org/10.29363/nanoge.hopv.2024.153Publication date: 6th February 2024Perovskite solar cells remain prone to stability issues and slow transients either being present already directly after fabrication or occurring during operation for longer times. Additionally, metastabilities can be observed, which allow for resistive switching and applications beyond solar cells. In this talk, I address these topics from various angles. These include the question whether conclusions regarding solar-cell stability can be drawn from the perovskite data base [1] by using advanced data analysis; and how performance-limiting factors can be identified at current-voltage data using machine-learning based methods [2]. In the second part I will present high performance perovskite resistive switches, which show an on-off current ratio in the order of 1e10 and are stable for millions of cycles. With the aid of transient and temperature-dependent measurements, the factors determining the switching behaviour are unraveled. They are complemented by photoluminescence mapping and nanoscale measurements shedding light on the switching mechanism in the device. References:[1] Jacobsson, T.J., Hultqvist, A., García-Fernández, A. et al. An open-access database and analysis tool for perovskite solar cells based on the FAIR data principles. Nat Energy 2022, 7, 107–115.[2] Zbinden, O., Knapp, E. and Tress, W., Identifying Performance Limiting Parameters in Perovskite Solar Cells Using Machine Learning. Sol. RRL 2024, 2300999Acknowledgements:This research received funding from the European Union's Horizon 2020 research and innovation program under grant agreement no. 851676 (ERC StGrt). Funding by ZHAW digital in the framework of a DIZH fellowship is acknowledged as well. © FUNDACIO DE LA COMUNITAT VALENCIANA SCITOnanoGe is a prestigious brand of successful science conferences that are developed along the year in different areas of the world since 2009. Our worldwide conferences cover cutting-edge materials topics like perovskite solar cells, photovoltaics, optoelectronics, solar fuel conversion, surface science, catalysis and two-dimensional materials, among many others.MATSUSPreviously nanoGe Spring Meeting (NSM) and nanoGe Fall Meeting (NFM), MATSUS is a multiple symposia conference focused on a broad set of topics of advanced materials preparation, their fundamental properties, and their applications, in fields such as renewable energy, photovoltaics, lighting, semiconductor quantum dots, 2-D materials synthesis, charge carriers dynamics, microscopy and spectroscopy semiconductors fundamentals, etc.International Conference on Hybrid and Organic PhotovoltaicsInternational Conference on Hybrid and Organic Photovoltaics (HOPV) is celebrated yearly in May. The main topics are the development, function and modeling of materials and devices for hybrid and organic solar cells. The field is now dominated by perovskite solar cells but also other hybrid technologies, as organic solar cells, quantum dot solar cells, and dye-sensitized solar cells and their integration into devices for photoelectrochemical solar fuel production.Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and OptoelectronicsThe main topics of the Asia-Pacific International Conference on Perovskite, Organic Photovoltaics and Optoelectronics (IPEROP) are discussed every year in Asia-Pacific for gathering the recent advances in the fields of material preparation, modeling and fabrication of perovskite and hybrid and organic materials. Photovoltaic devices are analyzed from fundamental physics and materials properties to a broad set of applications. The conference also covers the developments of perovskite optoelectronics, including light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling.International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and OptoelectronicsThe International Conference on Perovskite Thin Film Photovoltaics Perovskite Photonics and Optoelectronics (NIPHO) is the best place to hear the latest developments in perovskite solar cells as well as on recent advances in the fields of perovskite light-emitting diodes, lasers, optical devices, nanophotonics, nonlinear optical properties, colloidal nanostructures, photophysics and light-matter coupling. Perovskite (structure) ; Memristor ; Stability (learning theory) ; Materials science ; Optoelectronics ; Computer science ; Engineering physics ; Electronic engineering ; Physics ; Engineering ; Chemical engineering ; Machine learning Conducting polymers and applications ; Perovskite Materials and Applications ; Advanced Memory and Neural Computing