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http://hdl.handle.net/1942/35378
Title: | Dominant Processing Factors in Two-Step Fabrication of Pure Sulfide CIGS Absorbers | Authors: | BRAMMERTZ, Guy MEURIS, Marc VERMANG, Bart POORTMANS, Jef HAMTAEI, Sarallah |
Issue Date: | 2021 | Publisher: | MDPI | Source: | Energies (Basel), 14 (16) (Art N° 4737) | Abstract: | Pure sulfide CIGS solar cells are interesting candidates for standalone solar cells or top cells in a tandem configuration. To understand the limits and improve the power conversion efficiency of these devices, a comprehensive approach aimed at composition, interface, and process engineering should be employed. Here, the latter was explored. Using a two-step fabrication technique and one-variable-at-a-time methodology, we found the four processing factors affecting the absorber the most. While two were already backed by the previous literature, we found new and statistical evidence for two other important factors as well. The impact of alkali barrier diffusion was also established with statistical significance and under various processing conditions. Furthermore, the absorber roughness for samples without a barrier indicated a significant negative linear correlation with the devices' efficiency. This contribution could aid engineers in more efficient process designs. | Notes: | Hamtaei, S (corresponding author), Hasselt Univ, Inst Mat Res IMO, Solliance, Wetenschapspk 1, B-3590 Diepenbeek, Belgium.; Hamtaei, S (corresponding author), Imec Div IMOMEC, Solliance, Wetenschapspk 1, B-3590 Diepenbeek, Belgium.; Hamtaei, S (corresponding author), EnergyVille, Thorpk 8320, B-3600 Genk, Belgium. sarallah.hamtaei@imec.be; Guy.Brammertz@imec.be; Marc.Meuris@imec.be; jef.poortmans@imec.be; bart.vermang@imec.be |
Keywords: | pure sulfide CIGS;two-step sequential processing;rapid thermal annealing | Document URI: | http://hdl.handle.net/1942/35378 | e-ISSN: | 1996-1073 | DOI: | 10.3390/en14164737 | ISI #: | WOS:000689269200001 | Rights: | 2021 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https:// creativecommons.org/licenses/by/ 4.0/). | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2022 |
Appears in Collections: | Research publications |
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energies-14-04737-v3.pdf | Published version | 1.93 MB | Adobe PDF | View/Open |
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