Synthesis and photovoltaic properties of new thieno[3,2-b]indole-based dyes

New dyes of the 3-[5-(4-alkyl-4 H -thieno[3,2- b ]indol-2-yl)thiophen-2-yl]-2-cyanoacrylic acid series were prepared based on 2-(thien-2-yl)-substituted thieno[3,2- b ]indole by its sequential N -alkylation, formylation, and condensation of the resulting aldehydes with cyanoacetic acid. The possible...

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Published inRussian chemical bulletin Vol. 68; no. 6; pp. 1208 - 1212
Main Authors Steparuk, A. S., Irgashev, R. A., Rusinov, G. L., Krivogina, E. V., Lazarenko, P. I., Kozyukhin, S. A.
Format Journal Article
LanguageEnglish
Published New York Springer US 01.06.2019
Springer Nature B.V
Subjects
ALDEHYDES
ALKYLATION
Chemistry
Chemistry and Materials Science
Chemistry/Food Science
Dye-sensitized solar cells
DYES
EFFICIENCY
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HYDROGEN 4
INDOLES
Inorganic Chemistry
NANOSCIENCE AND NANOTECHNOLOGY
NANOSTRUCTURES
Organic Chemistry
Photovoltaic cells
PHOTOVOLTAIC EFFECT
RUTHENIUM
Ruthenium compounds
SENSITIZERS
SOLAR CELLS
SYNTHESIS
THIN FILMS
Titanium dioxide
TITANIUM OXIDES
indole
sensitized solar cells
thieno[3,2
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Summary:New dyes of the 3-[5-(4-alkyl-4 H -thieno[3,2- b ]indol-2-yl)thiophen-2-yl]-2-cyanoacrylic acid series were prepared based on 2-(thien-2-yl)-substituted thieno[3,2- b ]indole by its sequential N -alkylation, formylation, and condensation of the resulting aldehydes with cyanoacetic acid. The possible application of these dyes as sensitizers of mesoporous titanium dioxide thin films in dye-sensitized solar cells (DSSC) was shown. It was established that the efficiency of DSSC based on the dye IS 4 is superior to that of a similar element based on the commercial dye N3 [ cis -bis(isothiocyanato)bis(2,2′-bipyridyl-4,4′-dicarboxylato)ruthenium( ii )].
ISSN:1066-5285
1573-9171
DOI:10.1007/s11172-019-2542-z