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http://hdl.handle.net/1942/28448
Title: | A study to improve light confinement and rear-surface passivation in a thin-Cu(In, Ga)Se2 solar cell | Authors: | SURESH, Sunil DE WILD, Jessica KOHL, Thierry BULDU KOHL, Dilara BRAMMERTZ, Guy MEURIS, Marc POORTMANS, Jef Isabella, Olindo Zeman, Miro VERMANG, Bart |
Issue Date: | 2019 | Source: | THIN SOLID FILMS, 669(2019), p. 399-403 | Abstract: | Reducing the absorber layer thickness below 1 μm for a regular copper indium gallium di-selenide (CIGS) solar cell lowers the minimum quality requirements for the absorber layer due to shorter electron diffusion length. Additionally, it reduces material costs and production time. Yet, having such a thin absorber reduces the cell efficiency significantly. This is due to incomplete light absorption and high Molybdenum/CIGS rear-surface recombination [1]. The aim of this research is to implement some innovative rear surface modifications on a 430 nm thick CIGS absorber layer to reduce both these affects: an aluminium oxide passivation layer to reduce the back-surface recombination and point contact openings using nano-particles for electrical contact. The impact of the implementation of all these rear-surface modifications on the opto-electrical properties of the CIGS solar cell will be discussed and analyzed in this paper. | Document URI: | http://hdl.handle.net/1942/28448 | Link to publication/dataset: | https://explore.openaire.eu/search/publication?articleId=od______2659::e8ddcf638f849035e1bd43146a527c4a | ISSN: | 0040-6090 | e-ISSN: | 1879-2731 | DOI: | 10.1016/j.tsf.2018.11.027 | ISI #: | 000453405600056 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2020 |
Appears in Collections: | Research publications |
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File | Description | Size | Format | |
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Suresh2018_ImprovedLightConfinment_TSF-D-18-00974R2.pdf | Peer-reviewed author version | 1.44 MB | Adobe PDF | View/Open |
1-s2.0-S0040609018307685-main.pdf Restricted Access | Published version | 832.14 kB | Adobe PDF | View/Open Request a copy |
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