2021
DOI: 10.3390/molecules26247638
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Recent Investigations on Thiocyanate-Free Ruthenium(II) 2,2′-Bipyridyl Complexes for Dye-Sensitized Solar Cells

Abstract: Three decades ago, dye-sensitized solar cells (DSSCs) emerged as a method for harnessing the energy of the sun and for converting it into electricity. Since then, a lot of work has been devoted to create better global photovoltaic efficiencies and long term stability. Among photosensitizers for DSSCs, thiocyanate-free ruthenium(II) complexes have gained increasing interest due to their better stability compared to conventional thiocyanate-based complexes, such as benchmark dyes N719 and Z907. In this mini-revi… Show more

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Cited by 16 publications
(17 citation statements)
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“…According to Mauri et al, one of the main complications of thiocyanate ancillary ligand is its ambidentate nature, due to its metal coordination property via the nitrogen or sulfur atom. Besides, it is to a certain extent labile and is easily replaced by other species in the International Journal of Photoenergy International Journal of Photoenergy complex, such as 4-tert-butylpyridine (TBP) which is usually involved as additive in the redox mixture [8]. To overcome this thiocyanate problems, many research groups have investigated the field of NCS-free bipyridine ruthenium(II) complexes employed as dyes in DSSC to replace the NCS ligands [8].…”
Section: Proton ( 1 H) Nmr Studiesmentioning
confidence: 99%
See 3 more Smart Citations
“…According to Mauri et al, one of the main complications of thiocyanate ancillary ligand is its ambidentate nature, due to its metal coordination property via the nitrogen or sulfur atom. Besides, it is to a certain extent labile and is easily replaced by other species in the International Journal of Photoenergy International Journal of Photoenergy complex, such as 4-tert-butylpyridine (TBP) which is usually involved as additive in the redox mixture [8]. To overcome this thiocyanate problems, many research groups have investigated the field of NCS-free bipyridine ruthenium(II) complexes employed as dyes in DSSC to replace the NCS ligands [8].…”
Section: Proton ( 1 H) Nmr Studiesmentioning
confidence: 99%
“…Besides, it is to a certain extent labile and is easily replaced by other species in the International Journal of Photoenergy International Journal of Photoenergy complex, such as 4-tert-butylpyridine (TBP) which is usually involved as additive in the redox mixture [8]. To overcome this thiocyanate problems, many research groups have investigated the field of NCS-free bipyridine ruthenium(II) complexes employed as dyes in DSSC to replace the NCS ligands [8]. All the ruthenium(II) complexes showed signal at 0.55-2.15 ppm due to the alkyl group, as similarly reported in the literature [26].…”
Section: Proton ( 1 H) Nmr Studiesmentioning
confidence: 99%
See 2 more Smart Citations
“…The chemistry of coordination and organometallic complexes of ruthenium has continued to grow at unprecedented rates in the last few decades. [1][2][3][4] Ruthenium complexes have found applications in many industrial and scientific fields such as catalysis, [5][6][7][8] solar cells, 3 material sciences 9 and medicinal chemistry. 10 Ruthenium, the cheapest noble metal combined with its diverse applications, has attracted researchers from academia and industry to develop new Ru complexes with novel or improved properties and applications.…”
mentioning
confidence: 99%