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Title: | Cu(In,Ga)Se-2 based ultrathin solar cells the pathway from lab rigid to large scale flexible technology | Authors: | LOPES, Tomas Teixeira, JP Curado, M Ferreira, BR Oliveira, AJN Cunha, JMV Monteiro, M Violas, A Barbosa, JRS Sousa, PC Caha, I Borme, J Oliveira, K Ring, J Chen, WC Zhou, Y Takei, K Niemi, E Deepak, FL Edoff, M BRAMMERTZ, Guy Fernandes, PA VERMANG, Bart Salome, PMP |
Issue Date: | 2023 | Publisher: | NATURE PORTFOLIO | Source: | npj Flexible Electronics, 7 (1), Art nr. 4 | Abstract: | The incorporation of interface passivation structures in ultrathin Cu(In,Ga)Se-2 based solar cells is shown. The fabrication used an industry scalable lithography technique-nanoimprint lithography (NIL)-for a 15 x 15 cm(2) dielectric layer patterning. Devices with a NIL nanopatterned dielectric layer are benchmarked against electron-beam lithography (EBL) patterning, using rigid substrates. The NIL patterned device shows similar performance to the EBL patterned device.The impact of the lithographic processes in the rigid solar cells' performance were evaluated via X-ray Photoelectron Spectroscopy and through a Solar Cell Capacitance Simulator. The device on stainless-steel showed a slightly lower performance than the rigid approach, due to additional challenges of processing steel substrates, even though scanning transmission electron microscopy did not show clear evidence of impurity diffusion. Notwithstanding, time-resolved photoluminescence results strongly suggested elemental diffusion from the flexible substrate. Nevertheless, bending tests on the stainless-steel device demonstrated the mechanical stability of the CIGS-based device. | Document URI: | http://hdl.handle.net/1942/39683 | e-ISSN: | 2397-4621 | DOI: | 10.1038/s41528-023-00237-4 | ISI #: | 000924992800001 | Rights: | The Author(s) 2023 This article is licensed under a Creative CommonsAttribution 4.0 International License, which permits use, sharing,adaptation, distribution and reproduction in any medium or format, as long as you giveappropriate credit to the original author(s) and the source, provide a link to the CreativeCommons license, and indicate if changes were made. The images or other third partymaterial in this article are included in the article’s Creative Commons license, unlessindicated otherwise in a credit line to the material. If material is not included in thearticle’s Creative Commons license and your intended use is not permitted by statutoryregulation or exceeds the permitted use, you will need to obtain permission directlyfrom the copyright holder. To view a copy of this license, visithttp://creativecommons.org/licenses/by/4.0/ | Category: | A1 | Type: | Journal Contribution |
Appears in Collections: | Research publications |
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Tomas 2023_ Flexiveis.pdf | Published version | 2 MB | Adobe PDF | View/Open |
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