Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV24)
DOI: https://doi.org/10.29363/nanoge.hopv.2024.064
Publication date: 6th February 2024
Hybrid organic-inorganic perovskite materials have gained importance in global photovoltaic (PV) research, mainly due to their impressive power conversion efficiencies (PCEs) above 26% as well as their potential of becoming a candidate for low-cost mass production1. Perovskite-based research today is mostly on thin layer solution based deposition techniques given their potential for integration into semitransparent. However, photovoltaic windows have not been demonstrated to a satisfactory level as efficiencies and aesthetic parameters have not been reached the market required values. The use of transparent electrodes is one of the main challenge to obtain high transmittance and in this work semitransparent gold electrodes and three-layered dielectric/metal/dielectric (DMD) thin film sequences have been successfully employed in perovskite-based solar cells resulting in comparable PCEs up to 15%2, superior average visible transmittance (AVT), and good light utilization efficiency (LUE)3, defined as the product between AVT and PCE. Moreover the DMD electrode results in higher transmittance due to optical effects, allowing for a higher efficiencies at a critical angle of inclination of 45º. The approach is also universal, as we demonstrated, by making a screening upon the mixed halide perovskite, from pure bromide to pure iodide. This work proves the potential use of semi-transparent electrode to improve the light harvesting of the perovskite layer, by using optical methods to compensate chemical limitation, paving the way for application in building integration.
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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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