Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV23)
DOI: https://doi.org/10.29363/nanoge.hopv.2023.127
Publication date: 30th March 2023
The photovoltaics (PV) industry is about to enter the terawatt (TW) scale, which is an essential milestone to climate change mitigation. Industry roadmaps predict that this will be accomplished by tandem technologies, likely based on perovskites. Perovskite solar cells (PSC) are often referred to as manufacturable by “abundant materials”. In this contribution, we present a comprehensive quantitative assessment of this statement with the perspective of TW scale perovskite PV. We compare the projected demand of inorganic and synthetic materials to current production (mining and synthesis) and assess the scalability of current material production, in order to identify potential supply risks. For researchers who want to make a contribution to climate change mitigation with their research in sustainable and scalable perovskite PV, the results of this study provide useful selection criteria for materials and designs.
We find that, despite annual material demands in the kilo-ton range, for most materials the supply will likely not become critical. However, indium commonly used in TCOs must urgently be replaced. Cesium used as A-side cation, especially in fully inorganic perovskite, is not sufficiently available for TW-scalable technologies. For several synthetic hole transport materials like spiro-OMeTAD or PTAA, fundamental research yielding scalable synthesis is necessary if they should be implemented in large scale perovskite PV. Other synthetic materials like fullerenes or self-assembled monolayers require roadmaps for industrially scalable synthesis. Solvent supply is found to be not critical. Finally, the foreseeable massive material waste streams mandate that researchers adapt a design-for-recycling thinking already in early stages of technology development.
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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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