Flexible OPV modules for highly efficient indoor applications

Mari Ylikunnari; Marja Välimäki; Kaisa Leena Väisänen; Thomas M. Kraft; Rafal Sliz; Gianni Corso; Riccardo Po; Riccardo Barbieri; Chiara Carbonera; Giacomo Gorni; Marja Vilkman

doi:10.1088/2058-8585/ab6e73

Flexible OPV modules for highly efficient indoor applications

Mari Ylikunnari (Corresponding Author), Marja Välimäki, Kaisa Leena Väisänen, Thomas M. Kraft, Rafal Sliz, Gianni Corso, Riccardo Po, Riccardo Barbieri, Chiara Carbonera, Giacomo Gorni, Marja Vilkman

Research output: Contribution to journal › Article › Scientific › peer-review

52 Citations (Scopus)

Abstract

The comparison of solution processed organic photovoltaics with two roll-to-roll coated electron transport layers (ETL), as well as printed grid or solid back electrodes provides insight into the future of R2R fabricated architectures. The variation in performance of the R2R slot-die coated zinc oxide (ZnO) versus the tin oxide (SnO₂), showed a clear dependence on the spectrum of the illumination source. It was found that under indoor light conditions (200-1000 lux LED and fluorescent sources) the SnO₂ outperformed the ZnO with highest efficiencies near 13% and 10% respectively. This is in contrast to results obtained under 1 Sun (AM 1.5) in which the cells fabricated with a ZnO ETL had a higher power conversion efficiency than those prepared with SnO₂. The results also confirm the significance of the layout of the printed silver back contact; in which cells with the grid structure outperformed those with full coverage by approximately 35% for ZnO and just under 10% for SnO₂ (all light conditions). The combination of a R2R coating and S2S printing process to prepare modules with 8 cells in series (PET/ITO/SnO₂/PV2001:PCBM/PEDOT:PSS/silver grid) resulted in a PCE of 13.4% under indoor office light conditions.

Original language	English
Article number	014008
Journal	Flexible and Printed Electronics
Volume	5
Issue number	1
DOIs	https://doi.org/10.1088/2058-8585/ab6e73
Publication status	Published - 12 Feb 2020
MoE publication type	A1 Journal article-refereed

Keywords

indoor light
organic photovoltaics
polymer solar cells
R2R
S2S
solution-processed

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1088/2058-8585/ab6e73

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title = "Flexible OPV modules for highly efficient indoor applications",

abstract = "The comparison of solution processed organic photovoltaics with two roll-to-roll coated electron transport layers (ETL), as well as printed grid or solid back electrodes provides insight into the future of R2R fabricated architectures. The variation in performance of the R2R slot-die coated zinc oxide (ZnO) versus the tin oxide (SnO2), showed a clear dependence on the spectrum of the illumination source. It was found that under indoor light conditions (200-1000 lux LED and fluorescent sources) the SnO2 outperformed the ZnO with highest efficiencies near 13% and 10% respectively. This is in contrast to results obtained under 1 Sun (AM 1.5) in which the cells fabricated with a ZnO ETL had a higher power conversion efficiency than those prepared with SnO2. The results also confirm the significance of the layout of the printed silver back contact; in which cells with the grid structure outperformed those with full coverage by approximately 35% for ZnO and just under 10% for SnO2 (all light conditions). The combination of a R2R coating and S2S printing process to prepare modules with 8 cells in series (PET/ITO/SnO2/PV2001:PCBM/PEDOT:PSS/silver grid) resulted in a PCE of 13.4% under indoor office light conditions.",

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AU - Ylikunnari, Mari

AU - Välimäki, Marja

AU - Väisänen, Kaisa Leena

AU - Kraft, Thomas M.

AU - Sliz, Rafal

AU - Corso, Gianni

AU - Po, Riccardo

AU - Barbieri, Riccardo

AU - Carbonera, Chiara

AU - Gorni, Giacomo

AU - Vilkman, Marja

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Flexible OPV modules for highly efficient indoor applications

Abstract

Keywords

UN SDGs

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