Effect of oxygen plasma treatment on performance of ZnO based dye sensitized solar cells

Khadtare, Shubhangi; Bansode, Avinash S.; Mathe, V. L.; Shrestha, Nabeen K.; Bathula, Chinna; Han, Sung‐Hwan; Pathan, Habib M.

doi:10.1016/j.jallcom.2017.07.013

Cited by 20 publications

(3 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Finally, the excited dye then returns to its original state by accepting electrons from the redox mediator I − on the working electrode. As mentioned above, the metal oxide layers, such as anatase-TiO 2 and ZnO, play an important role in improving the performance of DSSCs by immobilizing dyes through the interaction between the ligands of dyes and oxygen on the metal oxides [5][6][7]. In the conventional DSSCs, N719 ([RuL 2 (NCS) 2 ]•2TBA (L = 2,2 -bipyridyl-4-4,4 -dicarboxylic acid; TBA = tetra-n-butylammonium) [8,9] have been used as dyes with the ligands (-COO − and -NCS) interacting with oxygen on the surface of TiO 2 and acting as modulators of the voltages of DSSCs.…”

Section: Introductionmentioning

confidence: 99%

Stability Modification of Dye-sensitized Solar Cells by Ruthenium Dyes Embedded on Eggshell Membranes

Tanifuji,

Shimizu,

Shimizu

et al. 2023

Materials

View full text Add to dashboard Cite

Dye-sensitized solar cells (DSSCs) have been one of the most promising technologies to convert sunlight into electricity repeatedly based on the mechanism that dyes inject/accept electron into the metal oxides/from redox mediator. Specifically, N719 ([RuL2(NCS)2], L: 4,4′-dicarboxy-2,2′-bipyridine), immobilized on TiO2 through the interaction between its ligands (-COO− and -NCS) and the oxygen on the TiO2 surface, has been used as a conventional DSSC dye with high voltage. Nevertheless, -NCS ligands have been removed from Ru2+ in N719 due to UV irradiation and exchanged with H2O or OH− in electrolyte, resulting in voltage drop. In this work, we developed the first DSSC using the N719-adsorbed Eggshell (ESM)-TiO2 composite to maintain the immobilization of N719 on TiO2 through electrostatic interaction between the protein of ESM and N719. The DSSC using the composite maintained the voltage even after 12 h light irradiation, although the voltage of DSSC without ESM dropped drastically. It means that the ESM contributed to stable photovoltaic performances of DSSCs through the protection of NCS ligands of N719.

show abstract

Section: Introductionmentioning

confidence: 99%

Stability Modification of Dye-sensitized Solar Cells by Ruthenium Dyes Embedded on Eggshell Membranes

Tanifuji,

Shimizu,

Shimizu

et al. 2023

Materials

View full text Add to dashboard Cite

show abstract

“…To meet the rising energy need, the search for new energy sources and easily fabricated photovoltaic devices has recently been of paramount importance. Solar light energy is the clean, most abundant, sustainable, and inexpensive source among the available renewable sources. − Photovoltaic devices have attracted great interest in achieving efficient solar energy utilization due to their effective solar energy to electrical energy conversion efficiency. − However, the photovoltaic performance of photovoltaic devices (DSSCs) significantly depends on the properties of the photoanode materials and their structure. ,,, Till today, numerous semiconductors (ZnO, TiO 2 , Zn 2 SnO 4 , and SnO 2 ) have been used as photoanode materials to drive reactions in solar cells. − Due to its specific properties such as nontoxicity and strong chemical stability, TiO 2 is considered one of the capable photocatalyst candidates. , However, due to the wide band gap (3.0–3.2 eV), TiO 2 can absorb only ultraviolet light from the solar spectrum. Thus, out of the total light available from the solar spectrum, TiO 2 absorbs only 4–5% incident light, while nearly 43% of the visible light in the solar energy is wasted .…”

Section: Introductionmentioning

confidence: 99%

Titania Nanorods Embedded with 2-Bromo-3-(methylamino)naphthalene-1,4-dione for Dye-Sensitized Solar Cells

et al. 2022

Self Cite

View full text Add to dashboard Cite

In a recent study, TiO 2 nanorod electrodes were prepared by the hydrothermal approach followed by calcination at various temperatures from 300 to 600 °C. The effects of calcination temperature on the morphological and structural properties were investigated. The novel analogue of aminonaphthoquinone(2R-(nalkylamino)-1,4-naphthoquinone) photosensitizer, viz. BrA1, 2bromo-3-(methylamino)naphthalene-1,4-dione was synthesized from 2,3-dibromonaphthalene-1,4-dione. X-ray crystallographic data collection and refinement confirm that BrA1 crystallizes in the triclinic space group P1̅ . After loading BrA1, the photosensitizer on the annealed TiO 2 nanorod (TiO 2 NR) electrodes, the optical properties of the photoanodes showed broadbands in each of the UV and visible regions, which are attributed to the π →π* and n → π* charge-transfer transitions, respectively. The dye-sensitized solar cell (DSSC) system was formed by loading the BrA1 photosensitizer on TiO 2 NR. The electrochemical impedance spectroscopy (EIS) analyses confirm that calcination temperature improves the charge transportation by lowering the resistance path during the photovoltaic process in TiO 2 NR (400 °C) photoanode-based DSSCs due to the sufficient photosensitizer adsorption and fast electron injection. Due to the effective light harvesting by the BrA1 photosensitizer and charge transport through the TiO 2 nanorod, the power conversion efficiencies (PCE) of the TiO 2 NR (400 °C/BrA1-based) DSSCs were improved for 2-bromo-3-(methylamino)naphthalene-1,4-dione.

show abstract

“…21 In addition, the inuence of the oxygen plasma treatment on the solar energy conversion performance of the porous ZnO-based dye-sensitized solar cells was studied. 22 To widen the utility of the present ECR plasma reactor, the manuscript mainly focuses on the feasibility of utilizing it for materials processing, in particular, to tune the surface morphology for FEE applications. The feasibility of the earlier ECR plasma reactor was investigated using hollow cathode-biased cylinders of Mo 17 and Ag 23 introduced individually into the plasma reactor to obtain oxide nanostructures and further used in eld emission microscopy (FEM) studies.…”

Section: Introductionmentioning

confidence: 99%

Structural and morphological tuning of iron oxide polymorphs by ECR plasma-assisted thermal oxidation

Raut

Premkumar

et al. 2020

RSC Adv.

View full text Add to dashboard Cite

show abstract

Effect of oxygen plasma treatment on performance of ZnO based dye sensitized solar cells

Cited by 20 publications

References 40 publications

Stability Modification of Dye-sensitized Solar Cells by Ruthenium Dyes Embedded on Eggshell Membranes

Stability Modification of Dye-sensitized Solar Cells by Ruthenium Dyes Embedded on Eggshell Membranes

Titania Nanorods Embedded with 2-Bromo-3-(methylamino)naphthalene-1,4-dione for Dye-Sensitized Solar Cells

Structural and morphological tuning of iron oxide polymorphs by ECR plasma-assisted thermal oxidation

Contact Info

Product

Resources

About