An Open Access Data Set Highlighting Aggregation of Dyes on Metal Oxides

Vishwesh Venkatraman and Lethesh Kallidanthiyil Chellappan
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Vishwesh Venkatraman: Department of Chemistry, Norwegian University of Science and Technology, 7491 Trondheim, Norway
Lethesh Kallidanthiyil Chellappan: Department of Chemistry, Norwegian University of Science and Technology, 7491 Trondheim, Norway

Data, 2020, vol. 5, issue 2, 1-8

Abstract: The adsorption of a dye to a metal oxide surface such as TiO 2 , NiO and ZnO leads to deprotonation and often undesirable aggregation of dye molecules, which in turn impacts the photophysical properties of the dye. While controlled aggregation is useful for some applications, it can result in lower performance for dye-sensitized solar cells. To understand this phenomenon better, we have conducted an extensive search of the literature and identified over 4000 records of absorption spectra in solution and after adsorption onto metal oxide. The total data set comprises over 3500 unique compounds, with observed absorption maxima in solution and after adsorption on the semiconductor electrode. This data may serve to provide further insight into the structure-property relationships governing dye-aggregation behaviour.

Keywords: dye sensitized solar cell; aggregation; database; absorption; solvent polarity (search for similar items in EconPapers)
JEL-codes: C8 C80 C81 C82 C83 (search for similar items in EconPapers)
Date: 2020
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