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Title: Examination of the effect of selected factors on the photovoltaic response of dye-sensitized solar cells
Authors: Gnida, Paweł
Libera, Marcin
Pająk, Agnieszka
Schab-Balcerzak, Ewa
Keywords: Dyes and pigments; Photonics; Oxides; Layers; Photovoltaics
Issue Date: 2020
Citation: "Energy and Fuels" 2020, iss. 11, s. 14344-14355
Abstract: The impact of photoanode preparation on the photovoltaic performance of dye-sensitized solar cells was investigated. The effects of titanium dioxide layer thickness, type of solvent and immersion time used for photoanode fabrication, and addition of coadsorbents and a cosensitizer on photon-to-current conversion efficiency and photovoltaic parameters were studied. Commercially available N719 and dyes prepared in our research group, 5,5′-bis(2-cyano-1-acrylic acid)-2,2′-bithiophene and 2-cyano-3-(2,2′:5′,2″-terthiophen-5-yl)acrylic acid, were applied as sensitizers. The effect of studied factors on UV–vis properties and morphology, that is, the root-mean-square roughness of the photoanode, was examined and correlated with the photovoltaic response of the constructed devices. Additionally, the amount of dye molecules adsorbed to the TiO2 was investigated. It was found that all considered factors significantly impacted photovoltaic parameters. Also, the photoanode stability was tested by measuring photovoltaic parameters after 14 months.
DOI: 10.1021/acs.energyfuels.0c02188
ISSN: 0887-0624
Appears in Collections:Artykuły (WNŚiT)

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