Synthesis, characterization and application of Ru(II) complexes containing pyridil ligands for dye-sensitized solar cells

Author:

Dayan Osman1,Özdemir Namik2,Yakuphanoğlu Fahrettin3,Şerbetci Zafer4,Bilici Ali1

Affiliation:

1. Çanakkale Onsekiz Mart University , Faculty of Sciences and Art, Department of Chemistry , 17020 - Çanakkale , Turkey

2. Ondokuz Mayıs University , Faculty of Education, Department of Mathematics and Science Education , 55139 - Samsun , Turkey

3. Fırat University , Faculty of Sciences and Art, Department of Physics , 23100 - Elazığ , Turkey

4. Bingöl University , Faculty of Sciences and Art, Department of Chemistry , 12000 - Bingöl , Turkey

Abstract

Abstract In this research, a series of Ru(II) complexes, ([Ru(1-7)(ina)(NCS)2] (1-7=5-[6-(5-mercapto-1,3,4-oxadiazol-2-yl)pyridin- 2-yl]-1,3,4-oxadiazole-2-thiol’s, ina=isonicotinic acid) were synthesized and characterized using different spectroscopic and analytic techniques, such as NMR, UV, IR, CV and CHN. Also, the new complexes were used in dye-sensitized solar cells (DSSC) as sensitizers. Current-voltage characteristics showed that the modifications of ligands clearly affected DSSC yield. Additionally, DFT calculations were performed and showed locations of frontier molecular orbitals of the complexes. While the locations of HOMO and HOMO – 1 orbitals are on Ru(II) metal center and SCN ligands, the location of LUMO and LUMO + 1 orbitals are on the 1-7 ligands.

Publisher

Walter de Gruyter GmbH

Subject

Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science

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