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Electrochemical and energetic characteristics of new dye-sensitizers for photovoltaic cells

Igor Kobasa

Yu. Fedkovych National University of Chernivtsi, 2 Kotsyubynsky St., Chernivtsi 58012, Ukraine

Corresponding author.

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Lyubomyra Odosiy

Yu. Fedkovych National University of Chernivtsi, 2 Kotsyubynsky St., Chernivtsi 58012, Ukraine

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Iryna Kurdyukova

Institute of Organic Chemistry, National Academy of Sciences of Ukraine, 5 Murmanska St., 02660 Kyiv, Ukraine

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Olexandr Ishchenko

Institute of Organic Chemistry, National Academy of Sciences of Ukraine, 5 Murmanska St., 02660 Kyiv, Ukraine

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, and

Stefan Kurek

Politechnika Krakowska, 24 Warszawska St., Krakow 31-155, Poland

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https://doi.org/10.1142/S1793604715500678Cited by:4 (Source: Crossref)

Abstract

The influence of the dye structure on the spectral and electrochemical characteristics has been investigated for a series of the anionic and intraionic polymethine dyes (PDs) of the tetranitrofluorene family. The reduction and oxidation potentials were determined by cyclic voltammetry (CVA), and HOMO and LUMO energy levels were calculated in order to predict the applicability of the dyes as TiO₂ sensitizing agents. Some types of the PD/TiO₂ heterostructures (HSs) were built and their photocatalytic activity (PA) was determined using the model reaction of iodide anion oxidation.

Keywords:

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