Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2
Abstract In response to the toxic heavy metal absorbers in perovskite solar cells (PSCs), this work focuses on the development of an environmentally friendly simple solution‐processed infrared (IR) absorber. In this work, a simple solution‐crystallized IR‐absorbing AgBiS2 film is reported by spin‐co...
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| Format: | Article |
| Language: | English |
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Wiley
2024-11-01
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| Series: | Advanced Science |
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| Online Access: | https://doi.org/10.1002/advs.202406998 |
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| author | Ludmila Cojocaru Ajay Kumar Jena Miwako Yamamiya Youhei Numata Masashi Ikegami Tsutomu Miyasaka |
| author_facet | Ludmila Cojocaru Ajay Kumar Jena Miwako Yamamiya Youhei Numata Masashi Ikegami Tsutomu Miyasaka |
| author_sort | Ludmila Cojocaru |
| collection | DOAJ |
| description | Abstract In response to the toxic heavy metal absorbers in perovskite solar cells (PSCs), this work focuses on the development of an environmentally friendly simple solution‐processed infrared (IR) absorber. In this work, a simple solution‐crystallized IR‐absorbing AgBiS2 film is reported by spin‐coating silver, bismuth nitrates, and thiourea dissolved in dimethylformamide (DMF) to produce thick AgBiS2 film. Extensive optimization of the precursor concentrations thicknesses and conductive substrates used allow for obtaining 250 nm AgBiS2 film with different crystal sizes. When applied as an absorber in solar cells, solution‐crystalized AgBiS2 thick film delivers an extraordinarily high current density of over 31 mA cm−2. The devices show high stability under continuous 100 mW cm−2 illumination and when stored in the dark for more than six months. When the AgBiS2 layer is fabricated in a gradient fashion combining one layer of 0.25 m and three layers of 0.5 m precursor concentrations, the efficiency of 5.15% is registered which is the highest reported for the simple solution‐crystallized AgBiS2 films. |
| format | Article |
| id | doaj-art-8c79a1c739c841ae94a85e7ff8f3e552 |
| institution | Kabale University |
| issn | 2198-3844 |
| language | English |
| publishDate | 2024-11-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advanced Science |
| spelling | doaj-art-8c79a1c739c841ae94a85e7ff8f3e5522024-11-27T11:21:53ZengWileyAdvanced Science2198-38442024-11-011144n/an/a10.1002/advs.202406998Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2Ludmila Cojocaru0Ajay Kumar Jena1Miwako Yamamiya2Youhei Numata3Masashi Ikegami4Tsutomu Miyasaka5Toin University of Yokohama Kanagawa 225‐8503 JapanKomaba Institute for Science The University of Tokyo Tokyo 153‐8904 JapanToin University of Yokohama Kanagawa 225‐8503 JapanToin University of Yokohama Kanagawa 225‐8503 JapanToin University of Yokohama Kanagawa 225‐8503 JapanToin University of Yokohama Kanagawa 225‐8503 JapanAbstract In response to the toxic heavy metal absorbers in perovskite solar cells (PSCs), this work focuses on the development of an environmentally friendly simple solution‐processed infrared (IR) absorber. In this work, a simple solution‐crystallized IR‐absorbing AgBiS2 film is reported by spin‐coating silver, bismuth nitrates, and thiourea dissolved in dimethylformamide (DMF) to produce thick AgBiS2 film. Extensive optimization of the precursor concentrations thicknesses and conductive substrates used allow for obtaining 250 nm AgBiS2 film with different crystal sizes. When applied as an absorber in solar cells, solution‐crystalized AgBiS2 thick film delivers an extraordinarily high current density of over 31 mA cm−2. The devices show high stability under continuous 100 mW cm−2 illumination and when stored in the dark for more than six months. When the AgBiS2 layer is fabricated in a gradient fashion combining one layer of 0.25 m and three layers of 0.5 m precursor concentrations, the efficiency of 5.15% is registered which is the highest reported for the simple solution‐crystallized AgBiS2 films.https://doi.org/10.1002/advs.202406998AgBiS2 absorberAgBiS2 solar cellshigh currentsimple solution coatingsolution‐crystallized |
| spellingShingle | Ludmila Cojocaru Ajay Kumar Jena Miwako Yamamiya Youhei Numata Masashi Ikegami Tsutomu Miyasaka Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2 Advanced Science AgBiS2 absorber AgBiS2 solar cells high current simple solution coating solution‐crystallized |
| title | Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2 |
| title_full | Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2 |
| title_fullStr | Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2 |
| title_full_unstemmed | Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2 |
| title_short | Solution‐Crystalized AgBiS2 Films for Solar Cells Generating a Photo‐Current Density Over 31 mA cm−2 |
| title_sort | solution crystalized agbis2 films for solar cells generating a photo current density over 31 ma cm 2 |
| topic | AgBiS2 absorber AgBiS2 solar cells high current simple solution coating solution‐crystallized |
| url | https://doi.org/10.1002/advs.202406998 |
| work_keys_str_mv | AT ludmilacojocaru solutioncrystalizedagbis2filmsforsolarcellsgeneratingaphotocurrentdensityover31macm2 AT ajaykumarjena solutioncrystalizedagbis2filmsforsolarcellsgeneratingaphotocurrentdensityover31macm2 AT miwakoyamamiya solutioncrystalizedagbis2filmsforsolarcellsgeneratingaphotocurrentdensityover31macm2 AT youheinumata solutioncrystalizedagbis2filmsforsolarcellsgeneratingaphotocurrentdensityover31macm2 AT masashiikegami solutioncrystalizedagbis2filmsforsolarcellsgeneratingaphotocurrentdensityover31macm2 AT tsutomumiyasaka solutioncrystalizedagbis2filmsforsolarcellsgeneratingaphotocurrentdensityover31macm2 |