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Title: | Cu(In,Ga)Se2 based ultrathin solar cells the pathway from lab rigid to large scale flexible technology | Authors: | Lopes, T. S. Teixeira, J. P. Curado, M. A. Ferreira, B. R. Oliveira, A. J. N. Cunha, J. M. V. Monteiro, M. Violas, A. Barbosa, J. R. S. Sousa, P. C. Çaha, I. Borme, J. Oliveira, K. Ring, J. Chen, W. C. Zhou, Y. Takei, K. Niemi, E. Deepak, F. L. Edoff, M. Brammertz, G. Fernandes, P. A. Vermang, B. Salomé, P. M. P. |
Issue Date: | 2023 | Publisher: | Springer Nature | Project: | PD/BD/142780/2018 SFRH/BD/146776/2019 UIDB/04564/2020 UIDP/04564/2020 PTDC/CTM-CTM/28075/2017 PTDC/FISMAC/29696/2017 UIDB/04730/2020 UIDP/50025/2020 info:eu-repo/grantAgreement/UIDB/50025/2020 |
Serial title, monograph or event: | npj Flexible Electronics | Volume: | 7 | Issue: | 1 | Abstract: | The incorporation of interface passivation structures in ultrathin Cu(In,Ga)Se2 based solar cells is shown. The fabrication used an industry scalable lithography technique—nanoimprint lithography (NIL)—for a 15 × 15 cm2 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. | URI: | https://hdl.handle.net/10316/111186 | ISSN: | 2397-4621 | DOI: | 10.1038/s41528-023-00237-4 | Rights: | openAccess |
Appears in Collections: | I&D CFis - Artigos em Revistas Internacionais |
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Cu(In,Ga)Se2 based ultrathin solar cells the pathway from lab rigid to large scale flexible technology.pdf | 2 MB | Adobe PDF | View/Open |
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