Review of latest efficient sensitizer in dye-sensitized solar cells

Alhorani, Samah; Kumar, Sarvesh; Genwa, Mahaveer; Meena, Prem Lata

doi:10.1063/5.0017041

Cited by 11 publications

(7 citation statements)

References 19 publications

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“…13 1.0 M PMII + 0.05 M LiI + 0.03 M I 2 + 0.5 M TBP + 0.1 M GNCS in CH 3 CN. 14 CN. 17 0.5 mM in MeOH.…”

Section: Lists All Photovoltaic Datamentioning

confidence: 99%

“…This review aims to illustrate some of the papers published in the last seven years in the field of NCS-free bipyridine ruthenium(II) complexes employed as dyes in DSSCs, as an update of the review of Dragonetti, Abbotto et al of 2014 [12]. It is worth mentioning that other important reviews on this topic have been published in the last few years, providing a wide overview on the progresses made in the field of the dye design and synthesis, presenting both metal-based sensitizers, purely organic compounds, and natural derivatives [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

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Recent Investigations on Thiocyanate-Free Ruthenium(II) 2,2′-Bipyridyl Complexes for Dye-Sensitized Solar Cells

et al. 2021

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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-review, two classes of thiocyanate-free Ru(II) complexes are presented: (a) bis-bipyridyl compounds bearing an ancillary cyclometalating bidentate ligand; (b) bipyridyl compounds bearing non-cyclometalating ancillary ligands. The coverage, mainly from 2014 up to now, is not exhaustive, but illustrates the most recent design strategies and photovoltaic properties of these two families of ruthenium(II) dyes.

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“…13 1.0 M PMII + 0.05 M LiI + 0.03 M I 2 + 0.5 M TBP + 0.1 M GNCS in CH 3 CN. 14 CN. 17 0.5 mM in MeOH.…”

Section: Lists All Photovoltaic Datamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Recent Investigations on Thiocyanate-Free Ruthenium(II) 2,2′-Bipyridyl Complexes for Dye-Sensitized Solar Cells

et al. 2021

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“…Because of these limitations, researchers attracted towards the metal-free organic dyes for the DSSCs which have the advantages like easier design synthesis of organic dye, cheap, efficient light-harvesting capabilities, and also its conversion efficiency is comparable to that of polypyridyl ruthenium dye. 28,29 Metal-free dyes can be modelled by introducing donor moieties like triarylamine, [30][31][32][33][34][35][36] carbazole, [37][38][39][40][41][42][43] and phenothiazine. [44][45][46][47][48][49][50] Maximum efficiency of 14.3% was noted in the DSSC which was constructed with carbazole-based LEG4 + ADEKA-1 as a sensitizer, Co 3+/2+ as a redox pair, and Au/GNP as a counter electrode.…”

Section: Introductionmentioning

confidence: 99%

The improved performance of dye‐sensitized solar cells using co‐sensitization and polymer gel electrolyte

Selvakumar

2022

Intl J of Energy Research

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To investigate the photovoltaic capabilities as a sensitizer and co-sensitizer for dye-sensitized solar cells (DSSCs), a new metal-free organic dye (CDIB) was synthesized. In addition, different concentrations of 1-n-hexyl-3-methylimidazolium iodide ionic liquid (IL) doped poly(vinylidene fluoride-hexafluoropropylene) gel polymer electrolytes are prepared and the high conductive electrolyte is used to fabricate the devices. The device having CDIB sensitizer and IL-15% electrolyte showed an efficiency of 1.86%. Further, the effect of CDIB co-sensitization on Z907 is examined. Consequently, the power conversion efficiency of DSSC with co-sensitized dye is raised by 23.29%, from 4.55 to 5.61%, when compared to DSSCs with individual dyes. This improvement is mostly due to an increase in a short-circuit current density and open-circuit voltage. Highlights• Co-sensitization is being used to enhance the performance of DSSCs.• Poly(vinylidene fluoride-hexafluoropropylene)-based gel polymer electrolytes doped with different amounts of 1-n-hexyl-3-methylimidazolium iodide were prepared for improving the conductivity of electrolyte.• A co-sensitized DSSC has an efficiency of 5.61%.• With co-sensitization, both V OC and J SC increased significantly.

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“…Tapping solar energy with photoactive materials is an inevitable area for making sustainable growth in photo(electro)chemical water splitting for high specific energy density (120 MJ/kg) H 2 fuel production. Photocurrent generation using photovoltaics (PV), dye-sensitized solar cell (DSSC) devices, photodecompositions of pollutants, and photocatalytic (PC) organic transformations have also recently revolutionized the respective field of research ensuring true sustainability . Though the fundamental investigations of these topics, such as photoexcitation, , band bending at the interface, kinetics, stability of the photoexcited electrons, electron–hole formation, and recombination, have already been explored using many models (Kinetics, Gaertner, and Jellium models), understanding made with these interfaces from a materials perspective on the nanoscale is not mature yet.…”

Section: Introductionmentioning

confidence: 99%

Alternating Current Techniques for a Better Understanding of Photoelectrocatalysts

et al. 2021

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Several spectroscopic and electroanalytical techniques are in use when it comes to the investigation of interfaces in photoelectrocatalysis (PEC). Among them, AC techniques are the least used ones except for electrochemical impedance analysis despite having several advantages over DC electroanalytical techniques. Though AC electrolysis of water was known in the early years of the 20th century, it was not given significant attention either. In this Perspective, we discuss how these barely used yet powerful AC techniques, namely, (1) Mott–Schottky in impedance and photoelectrochemical impedance analyses (equivalent circuit analysis, capacitance spectroscopy), (2) intensity-modulated photocurrent spectroscopy (IMPS), (3) FS-HA-FT-AC voltammetry, and (4) paired electrolysis, can lead us ahead in the way of further fathoming interfaces in PEC with highlights on prospects of these AC techniques for energy conversion reactions.

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Review of latest efficient sensitizer in dye-sensitized solar cells

Cited by 11 publications

References 19 publications

Recent Investigations on Thiocyanate-Free Ruthenium(II) 2,2′-Bipyridyl Complexes for Dye-Sensitized Solar Cells

Recent Investigations on Thiocyanate-Free Ruthenium(II) 2,2′-Bipyridyl Complexes for Dye-Sensitized Solar Cells

The improved performance of dye‐sensitized solar cells using co‐sensitization and polymer gel electrolyte

Alternating Current Techniques for a Better Understanding of Photoelectrocatalysts

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