Copper substrate electrode for efficient top-illuminated organic photovoltaics
Copper substrate electrode for efficient top-illuminated organic photovoltaics
It is now recognized that for solution processed organic photovoltaics (OPVs) to be manufactured on a large scale the thickness of the photoactive layer must be substantially increased beyond the currently used ≤150 nm. We show that copper can replace silver as the reflective substrate electrode in high performance top-illuminated OPVs without compromising device power conversion efficiency when the photoactive layer is thick enough to absorb the majority of incident photons on the first pass through the photoactive layer. Copper is one hundredth of the cost of Ag, enabling a significant reduction in the bill of materials for OPV manufacture.
43-48
Pereira, H. Jessica
99b16ebd-fa9f-41f0-a4fe-f0c0e22f6697
Hatton, Ross A.
4f4daf94-31fd-4d8e-8252-32b006f15018
9 January 2019
Pereira, H. Jessica
99b16ebd-fa9f-41f0-a4fe-f0c0e22f6697
Hatton, Ross A.
4f4daf94-31fd-4d8e-8252-32b006f15018
Pereira, H. Jessica and Hatton, Ross A.
(2019)
Copper substrate electrode for efficient top-illuminated organic photovoltaics.
ACS Applied Materials and Interfaces, 11 (1), .
(doi:10.1021/acsami.8b18453).
Abstract
It is now recognized that for solution processed organic photovoltaics (OPVs) to be manufactured on a large scale the thickness of the photoactive layer must be substantially increased beyond the currently used ≤150 nm. We show that copper can replace silver as the reflective substrate electrode in high performance top-illuminated OPVs without compromising device power conversion efficiency when the photoactive layer is thick enough to absorb the majority of incident photons on the first pass through the photoactive layer. Copper is one hundredth of the cost of Ag, enabling a significant reduction in the bill of materials for OPV manufacture.
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Accepted/In Press date: 19 December 2018
e-pub ahead of print date: 19 December 2018
Published date: 9 January 2019
Identifiers
Local EPrints ID: 483864
URI: http://eprints.soton.ac.uk/id/eprint/483864
ISSN: 1944-8244
PURE UUID: 1a4b1b27-6b27-4d72-a492-51178cfad93d
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Date deposited: 07 Nov 2023 17:47
Last modified: 18 Mar 2024 04:14
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Author:
H. Jessica Pereira
Author:
Ross A. Hatton
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