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Unraveling the optoelectronic properties of CoSb(x) intrinsic selective solar absorber towards high-temperature surfaces
The combination of the ability to absorb most of the solar radiation and simultaneously suppress infrared re-radiation allows selective solar absorbers (SSAs) to maximize solar energy to heat conversion, which is critical to several advanced applications. The intrinsic spectral selective materials a...
Autores principales: | , , , , , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2023
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10638324/ https://www.ncbi.nlm.nih.gov/pubmed/37949914 http://dx.doi.org/10.1038/s41467-023-42839-6 |
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author | Taranova, Anastasiia Akbar, Kamran Yusupov, Khabib You, Shujie Polewczyk, Vincent Mauri, Silvia Balliana, Eleonora Rosen, Johanna Moras, Paolo Gradone, Alessandro Morandi, Vittorio Moretti, Elisa Vomiero, Alberto |
author_facet | Taranova, Anastasiia Akbar, Kamran Yusupov, Khabib You, Shujie Polewczyk, Vincent Mauri, Silvia Balliana, Eleonora Rosen, Johanna Moras, Paolo Gradone, Alessandro Morandi, Vittorio Moretti, Elisa Vomiero, Alberto |
author_sort | Taranova, Anastasiia |
collection | PubMed |
description | The combination of the ability to absorb most of the solar radiation and simultaneously suppress infrared re-radiation allows selective solar absorbers (SSAs) to maximize solar energy to heat conversion, which is critical to several advanced applications. The intrinsic spectral selective materials are rare in nature and only a few demonstrated complete solar absorption. Typically, intrinsic materials exhibit high performances when integrated into complex multilayered solar absorber systems due to their limited spectral selectivity and solar absorption. In this study, we propose CoSb(x) (2 < x < 3) as a new exceptionally efficient SSA. Here we demonstrate that the low bandgap nature of CoSb(x) endows broadband solar absorption (0.96) over the solar spectral range and simultaneous low emissivity (0.18) in the mid-infrared region, resulting in a remarkable intrinsic spectral solar selectivity of 5.3. Under 1 sun illumination, the heat concentrates on the surface of the CoSb(x) thin film, and an impressive temperature of 101.7 °C is reached, demonstrating the highest value among reported intrinsic SSAs. Furthermore, the CoSb(x) was tested for solar water evaporation achieving an evaporation rate of 1.4 kg m(−2) h(−1). This study could expand the use of narrow bandgap semiconductors as efficient intrinsic SSAs with high surface temperatures in solar applications. |
format | Online Article Text |
id | pubmed-10638324 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2023 |
publisher | Nature Publishing Group UK |
record_format | MEDLINE/PubMed |
spelling | pubmed-106383242023-11-11 Unraveling the optoelectronic properties of CoSb(x) intrinsic selective solar absorber towards high-temperature surfaces Taranova, Anastasiia Akbar, Kamran Yusupov, Khabib You, Shujie Polewczyk, Vincent Mauri, Silvia Balliana, Eleonora Rosen, Johanna Moras, Paolo Gradone, Alessandro Morandi, Vittorio Moretti, Elisa Vomiero, Alberto Nat Commun Article The combination of the ability to absorb most of the solar radiation and simultaneously suppress infrared re-radiation allows selective solar absorbers (SSAs) to maximize solar energy to heat conversion, which is critical to several advanced applications. The intrinsic spectral selective materials are rare in nature and only a few demonstrated complete solar absorption. Typically, intrinsic materials exhibit high performances when integrated into complex multilayered solar absorber systems due to their limited spectral selectivity and solar absorption. In this study, we propose CoSb(x) (2 < x < 3) as a new exceptionally efficient SSA. Here we demonstrate that the low bandgap nature of CoSb(x) endows broadband solar absorption (0.96) over the solar spectral range and simultaneous low emissivity (0.18) in the mid-infrared region, resulting in a remarkable intrinsic spectral solar selectivity of 5.3. Under 1 sun illumination, the heat concentrates on the surface of the CoSb(x) thin film, and an impressive temperature of 101.7 °C is reached, demonstrating the highest value among reported intrinsic SSAs. Furthermore, the CoSb(x) was tested for solar water evaporation achieving an evaporation rate of 1.4 kg m(−2) h(−1). This study could expand the use of narrow bandgap semiconductors as efficient intrinsic SSAs with high surface temperatures in solar applications. Nature Publishing Group UK 2023-11-10 /pmc/articles/PMC10638324/ /pubmed/37949914 http://dx.doi.org/10.1038/s41467-023-42839-6 Text en © The Author(s) 2023 https://creativecommons.org/licenses/by/4.0/Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this licence, visit http://creativecommons.org/licenses/by/4.0/ (https://creativecommons.org/licenses/by/4.0/) . |
spellingShingle | Article Taranova, Anastasiia Akbar, Kamran Yusupov, Khabib You, Shujie Polewczyk, Vincent Mauri, Silvia Balliana, Eleonora Rosen, Johanna Moras, Paolo Gradone, Alessandro Morandi, Vittorio Moretti, Elisa Vomiero, Alberto Unraveling the optoelectronic properties of CoSb(x) intrinsic selective solar absorber towards high-temperature surfaces |
title | Unraveling the optoelectronic properties of CoSb(x) intrinsic selective solar absorber towards high-temperature surfaces |
title_full | Unraveling the optoelectronic properties of CoSb(x) intrinsic selective solar absorber towards high-temperature surfaces |
title_fullStr | Unraveling the optoelectronic properties of CoSb(x) intrinsic selective solar absorber towards high-temperature surfaces |
title_full_unstemmed | Unraveling the optoelectronic properties of CoSb(x) intrinsic selective solar absorber towards high-temperature surfaces |
title_short | Unraveling the optoelectronic properties of CoSb(x) intrinsic selective solar absorber towards high-temperature surfaces |
title_sort | unraveling the optoelectronic properties of cosb(x) intrinsic selective solar absorber towards high-temperature surfaces |
topic | Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10638324/ https://www.ncbi.nlm.nih.gov/pubmed/37949914 http://dx.doi.org/10.1038/s41467-023-42839-6 |
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