New ruthenium complexes (Ru[3+2+1]) bearing π-extended 4-methylstyryl terpyridine and unsymmetrical bipyridine ligands for DSSC applications

Kumar, Ch. Pavan; Anusha, V.; Narayanaswamy, Krithika; Bhanuprakash, K.; Islam, Ashraful; Li, Han; Singh, Surya Prakash; Chandrasekharam, Malapaka

doi:10.1016/j.ica.2015.04.038

Cited by 7 publications

(1 citation statement)

References 39 publications

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“…In 2015 Pavan Kumar et al [ 101 ] modified complex 6 [ 77 ] by substituting two thiocyanates with an asymmetrical bipyridine ligand bearing hexylthiophene and mesityl subtituents on each pyridine ring ( 22 , Figure 17 ).…”

Section: Modifications Of Black Dye and Structure-properties Relatmentioning

confidence: 99%

Terpyridine and Quaterpyridine Complexes as Sensitizers for Photovoltaic Applications

et al. 2016

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Terpyridine and quaterpyridine-based complexes allow wide light harvesting of the solar spectrum. Terpyridines, with respect to bipyridines, allow for achieving metal-complexes with lower band gaps in the metal-to-ligand transition (MLCT), thus providing a better absorption at lower energy wavelengths resulting in an enhancement of the solar light-harvesting ability. Despite the wider absorption of the first tricarboxylate terpyridyl ligand-based complex, Black Dye (BD), dye-sensitized solar cell (DSC) performances are lower if compared with N719 or other optimized bipyridine-based complexes. To further improve BD performances several modifications have been carried out in recent years affecting each component of the complexes: terpyridines have been replaced by quaterpyridines; other metals were used instead of ruthenium, and thiocyanates have been replaced by different pinchers in order to achieve cyclometalated or heteroleptic complexes. The review provides a summary on design strategies, main synthetic routes, optical and photovoltaic properties of terpyridine and quaterpyridine ligands applied to photovoltaic, and focuses on n-type DSCs.

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Section: Modifications Of Black Dye and Structure-properties Relatmentioning

confidence: 99%