Effect of π-Spacer Length in Novel Xanthene-Linked l -(D-π-A)2-Type Dianchoring Dyes for Dye-Sensitized Solar Cells
Baptayev B. Kim S.-M. Bolatbek B. Lee S.H. Balanay M.P.
27 June 2022American Chemical Society
ACS Applied Energy Materials
2022#5Issue 66764 - 6771 pp.
The effect of thiophene π-spacer length was studied in xanthene-linked l-(D-π-A)2-type dianchoring dye performance in dye-sensitized solar cells. The photophysical, electrochemical, and photovoltaic performances of KS-19 with single thiophene and KS-21 with dithiophene units as π-spacers were compared. The overall result showed that the presence of an extra thiophene unit in KS-21 led to the extension of conjugation, causing broadening and a red-shift of light absorption which in turn resulted in increased JSCand power conversion efficiency (PCE).
density functional theory , linker , recombination , self-consistent charge density functional tight binding , thiophene
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National Laboratory Astana, Nur-Sultan, 010000, Kazakhstan
Department of Chemistry, School of Sciences and Humanities, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
Department of Chemistry, Kunsan National University, Gunsan, 573-701, South Korea
National Laboratory Astana
Department of Chemistry
Department of Chemistry
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