Proceedings of MATSUS23 & Sustainable Technology Forum València (STECH23) (MATSUS23)
DOI: https://doi.org/10.29363/nanoge.matsus.2023.094
Publication date: 22nd December 2022
Lone pair containing solar absorbers are of interest due to their beneficial charge and defect screening properties which are similar to those of the exceptionally efficient lead halide hybrid perovskites. Both bismuth and antimony absorbers are composed of earth-abundant materials and experience the same beneficial relativistic effects that act to increase the width of the conduction band. Unlike lead, however, bismuth and antimony are non-toxic and non-bioaccumulating, meaning the impact of environmental contamination is greatly reduced. In this talk, we outline general design rules for emerging earth-abundant chalcogenide photovoltaics. We demonstrate how these rules apply to the most promising PV absorbers. Using a data driven approach, we identify a new class of layered lone-pair materials that have not yet been tested as photovoltaics but which possess promising optoelectronic and charge transport properties. We highlight the potential of this materials class as PV absorbers using relativistic hybrid density functional theory and simulations of device performance.
nanoGe 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.
Previously 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.
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