Proceedings of Materials for Sustainable Development Conference (MAT-SUS) (NFM22)
Publication date: 11th July 2022
Halide perovskite solar cells (HPSCs) have revolutionized the photovoltaics field in the last decade, leading to a steep increase of the PCE values from 3.8% to 25.5%. The accessibility to solution-processing protocols for preparation of high-performance devices has attracted the attention of researchers from a broad range of disciplines. Despite the most efficient HPSCs have been obtained with Pb-based derivatives, their toxicity and potential risk to health and environmental hazard constitutes a serious problem for their implementation in the market. Consequently, the interest in Pb-free alternatives is steeply increasing in the community. In this poster, we present the effect of different additives in the morphology and optical properties of Pb-free FASnI3 films. Upon optimization, it was demonstrated that additives play a crucial role towards the diminishment of morphological defects and the inhibition of the Sn2+ into Sn4+ oxidative paths, which benefit drastically the performance and stability of the final devices.
This work was made possible by the Horizon 2020 research and innovation program through the DROP-IT project (grant agreement no. 862656) and MSCA Innovative Training Network (grant agreement no. 764787), the Ministry of Science and Innovation of Spain under project STABLE PID2019-107314RB-I00, the European Research Council (ERC) via Consolidator Grant (724424 - No-LIMIT), and the University Jaume I (project DEPE2D UJI-B2019-09).
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