Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV24)
DOI: https://doi.org/10.29363/nanoge.hopv.2024.153
Publication date: 6th February 2024
Perovskite 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.
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.
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International Conference on Hybrid and Organic Photovoltaics
International 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.
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The 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.
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