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Spray coated silver nanowires as transparent electrodes in OPVs for Building Integrated Photovoltaics applications

Ding, Z., Stoichkov, V., Horie, M., Brousseau, E. ORCID: and Kettle, J. 2016. Spray coated silver nanowires as transparent electrodes in OPVs for Building Integrated Photovoltaics applications. Solar Energy Materials and Solar Cells 157 , pp. 305-311. 10.1016/j.solmat.2016.05.053

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The application of spray coated silver nanowires (AgNWs) onto OPVs for building Integrated Photovoltaics (BIPVs) is demonstrated. By using AgNWs with PEDOT:PSS, a transparent conductive layer was demonstrated on top of an P3HT:PCBM active layer with a sheet resistance of 30 Ω/⎕ for 90% transparency. This has been applied to two separate configurations; semi-transparent OPVs for solar glazing applications and OPVs onto an opaque substrate, namely steel. For the latter, a novel technique to planarise the steel substrate with an intermediate layer is also presented, with a substantial decrease in surface roughness reported to ensure that the substrate is smooth enough to use for OPV fabrication. The use of SU-8 as an intermediate layer reduced the surface roughness to RA=10 nm, which is one of the lowest values reported to date, and was achieved on a low cost substrate (DC01 low carbon steel) using solution processing.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Centre for Advanced Manufacturing Systems At Cardiff (CAMSAC)
Subjects: T Technology > TS Manufactures
Uncontrolled Keywords: Organic solar cells; Building Integrated PVS; Silver nanowires; Intermediate layer
Publisher: Elsevier
ISSN: 0927-0248
Date of First Compliant Deposit: 10 June 2016
Date of Acceptance: 23 May 2016
Last Modified: 01 Nov 2022 23:45

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