Influence of Dye Loading Time and Electrolytes Constituents Ratio on the Performance of Spin Coated ZnO Photoanode Based Dye Sensitized Solar Cells

Singh, Aditya; Mohan, Devendra; Ahlawat, Dharamvir Singh; Richa, .

doi:10.13005/ojc/320229

Cited by 5 publications

(5 citation statements)

References 22 publications

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“…From Figure 8(a), the absorption peak position with different annealing temperatures is 372 nm, 363 nm, and 343 nm for 500 °C, 600 °C, and 700 °C, respectively. These results are in the range reported by previous work [34], [35]. The ZnO thin film annealed at 500 °C exhibited the highest spectrum along the wavelength.…”

Section: Uv-vis Of Zno Thin Filmssupporting

confidence: 88%

Analysis of effect of annealing at high temperature on nickel oxide and zinc oxide thin film for solar cell applications

Rummaja,

Hani Senin,

Idris

et al. 2024

IJEECS

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The use of thin films in solar cell technology has gained substantial interest because of their potential for cost-effective and efficient energy conversion. nickel oxide (NiO) and zinc oxide (ZnO) have been used as potential materials in solar cells application especially third generation solar cells because of their good characteristics, such as high electrical conductivity, chemical stability, resistance to degradation, and abundance and low cost. However, at high temperatures, both NiO and ZnO can undergo thermal decomposition and exhibit crystal defects and grain boundaries. This work investigates high temperature annealing on the morphology, structural, and optical properties of NiO and ZnO thin films. The deposited material was annealed at 500 ℃, 600 ℃, and 700 ℃ and be characterized via scanning electron microscopy (SEM), XRD, and UV-Vi’s spectroscopy. The results showed that inceasing the annealing temperature can improve both ZnO and NiO thin films in structure and appearance. For ZnO, higher temperatures made the grains bigger and more orderly, and for NiO, the process made the grains more organized, bigger in size, and spread out more evenly. However, annealing at high temperature yields a smaller bandgap energy value for both thin films.

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Section: Uv-vis Of Zno Thin Filmssupporting

confidence: 88%

Analysis of effect of annealing at high temperature on nickel oxide and zinc oxide thin film for solar cell applications

Rummaja,

Hani Senin,

Idris

et al. 2024

IJEECS

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“…The solution was poured on ITO glass substrate and spun for 1 min at 2800 rpm. The platinum films were dried at 130°C for 15 minutes on the hot plate and then sintered at 400°C for 15 minutes for removal of extra solvents [22]. Finally, the light grey coloured films were obtained.…”

Section: Counterlectrode Preparationmentioning

confidence: 99%

“…For the complete fabrication of DSSCs the dye sensitized photoelectrode and counterlectrode were combined together and an electrolyte solution was injected between the electrodes. Electrolyte solution (brown coloured) was made from 0.05 M lithium iodide (LiI Sigma Aldrich, 99.9%) and 0.5 mM iodine (I 2 , Sigma Aldrich, 99.9%) in acetonitrile (Sigma Aldrich 99.9%) [22].…”

Section: Assembling Of Dsscsmentioning

confidence: 99%

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Performances of spin coated silver doped ZnO photoanode based dye sensitized solar cell

Singh

Mohan

Ahlawat

et al. 2017

PAC

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Dye sensitized solar cells (DSSCs) were fabricated using silver doped ZnO films deposited on ITO glass by spin coating method. The crystalline nature of ZnO films was analysed with XRD and SEM technique was used for morphological studies. The XRD pattern confirmed the presence of single phase hexagonal wurtzite ZnO structure, without the presence of secondary phase. The crystallite size of ZnO decreased from 31 nm to 25 nm with increase in doping to 1.5 mol% of silver. The UV-visible transmission of the prepared ZnO film was found to be 70-90% and it decreased with increase in doping to 0.5 mol% Ag and increased in the film doped with 1.5 mol% Ag. The band gap values of the ZnO films with 0, 0.5 and 1.5 mol% of silver, determined from Tauc plot, were 3.269, 3.235 and 3.257 eV, respectively. The absorbance peaks of the N719 dye loaded ZnO films were obtained at the wavelengths 310, 350 and 538 nm. The N719 dye loaded ZnO film doped with 0.5 mol% Ag has the highest absorbance in the visible region as compared to other two samples. The fill factor values of the pure and ZnO doped with 0.5 and 1.5 mol% Ag were 0.47, 0.48 and 0.42, respectively. The short circuit density values for ZnO, ZnO:Ag0.5% and ZnO:Ag1.5% were found to be 1.50, 1.55 and 1.15 A•m/cm 2 , respectively. The calculated photon to electron efficiencies for the ZnO films with 0, 0.5 and 1.5 mol% of silver were 0.42%, 0.44% and 0.27%, respectively. Consequently future prospective of such type of dopants in ZnO film based dye sensitized solar cells seems to be bright.

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“…Higher dye loadings, which increase photon harvesting, are restricted by electrons' low diffusion and high recombination rates, which make it difficult to achieve higher photon harvesting rates 98 . Several studies explored the influence of dye loading time on efficiency; Singh et al 99 reported one of these experiments. They examined the influence of various time (6 and 12 h) on efficiency and demonstrated that, dye loaded in semiconductor oxide films come to be critical for improving the efficiency light harvesting for DSSC.…”

Section: Recent Progress In Efficient Dsscs Using N719 Dyementioning

confidence: 99%

N719 dye as a sensitizer for dye‐sensitized solar cells (DSSCs): A review of its functions and certain rudimentary principles

Najm

Alwash

Sulaiman

et al. 2022

Env Prog and Sustain Energy

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New technologies need environmental and economic cooperation. Energy consumption is fundamental to human survival, making sustainable development imperative. When discussing energy production, renewable resources such as solar and wind energy are chosen to satisfy future demands. Solar energy is frequently used owing to its availability and several benefits. Though more efficient, silicon solar cells are poisonous and expensive. In comparison to other PV cells, the dye‐sensitized solar cells (DSSCs) have several benefits, such as easily accessible materials, low‐cost production processes, simple processing and exceptional diffuse light performance. DSSCs are more reliable alternative to many photovoltaic systems, including hybrid solar cells, inorganic, and organic. DSSCs technology characteristically be influenced by on photosensitizer, electrolyte, and the metal oxide semiconductor. Significant enhancement in cell efficiency has been ranges reach to 12%, using Ru (II) dyes by enhancing substantial besides essential characterization. The dye, that is acting as a source of photoexcited electrons, is the most significant component of a DSSC. This brief review highlights and discusses a summary of the ongoing research made to assist optimization under using N719 dye for DSSC devices.

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Influence of Dye Loading Time and Electrolytes Constituents Ratio on the Performance of Spin Coated ZnO Photoanode Based Dye Sensitized Solar Cells

Cited by 5 publications

References 22 publications

Analysis of effect of annealing at high temperature on nickel oxide and zinc oxide thin film for solar cell applications

Analysis of effect of annealing at high temperature on nickel oxide and zinc oxide thin film for solar cell applications

Performances of spin coated silver doped ZnO photoanode based dye sensitized solar cell

N719 dye as a sensitizer for dye‐sensitized solar cells (DSSCs): A review of its functions and certain rudimentary principles

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