Eosin-Y sensitized tin oxide photoelectrode for dye sensitized solar cell application: Effect of dye adsorption time

Arote, Sandeep A.; Ingle, Ravi V.; Tabhane, V. A.; Pathan, Habib M.

doi:10.1063/1.4863692

Cited by 17 publications

(9 citation statements)

References 38 publications

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“…Charge transfer process in DSSCs based on RB-sensitized CeO 2 photoanode can be explained in similar way as Arote et al [39]. Charge transfer process is shown in figure 9.…”

Section: Photovoltaic Analysismentioning

confidence: 54%

“…The three peaks are at shorter wavelength region (265, 326 and 342 nm) may be corresponding to π -π *, σ -π * and σ -σ * transitions. One peak at longer wavelength region (542 nm) may be due to intra-molecular charge transfer transitions from the donor to acceptor level with highest occupied molecular orbital (HOMO)-LUMO energy levels [39,40].…”

Section: Optical Absorption Spectra Of Rb Dyementioning

confidence: 99%

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Rose bengal-sensitized nanocrystalline ceria photoanode for dye-sensitized solar cell application

et al. 2016

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For efficient charge injection and transportation, wide bandgap nanostructured metal oxide semiconductors with dye adsorption surface and higher electron mobility are essential properties for photoanode in dyesensitized solar cells (DSSCs). TiO 2-based DSSCs are well established and so far have demonstrated maximum power conversion efficiency when sensitized with ruthenium-based dyes. Quest for new materials and/or methods is continuous process in scientific investigation, for getting desired comparative results. The conduction band (CB) position of CeO 2 photoanode lies below lowest unoccupied molecular orbital level (LUMO) of rose bengal (RB) dye. Due to this, faster electron transfer from LUMO level of RB dye to CB of CeO 2 is facilitated. Recombination rate of electrons is less in CeO 2 photoanode than that of TiO 2 photoanode. Hence, the lifetime of electrons is more in CeO 2 photoanode. Therefore, we have replaced TiO 2 by ceria (CeO 2) and expensive ruthenium-based dye by a low cost RB dye. In this study, we have synthesized CeO 2 nanoparticles. X-ray diffraction (XRD) analysis confirms the formation of CeO 2 with particle size ∼7 nm by Scherrer formula. The bandgap of 2.93 eV is calculated using UV-visible absorption data. The scanning electron microscopy (SEM) images show formation of porous structure of photoanode, which is useful for dye adsorption. The energy dispersive spectroscopy is in confirmation with XRD results, confirming the presence of Ce and O in the ratio of 1:2. UV-visible absorption under diffused reflectance spectra of dye-loaded photoanode confirms the successful dye loading. UV-visible transmission spectrum of CeO 2 photoanode confirms the transparency of photoanode in visible region. The electrochemical impedance spectroscopy analysis confirms less recombination rate and more electron lifetime in RB-sensitized CeO 2 than TiO 2 photoanode. We found that CeO 2 also showed with considerable difference between dark and light DSSCs performance, when loaded with RB dye. The working mechanism of solar cells with fluorine-doped tin oxide (FTO)/CeO 2 /RB dye/carbon-coated FTO is discussed. These solar cells show V OC ∼360 mV, J SC ∼0.25 mA cm −2 and fill factor ∼63% with efficiency of 0.23%. These results are better as compared to costly ruthenium dye-sensitized CeO 2 photoanode. Keywords. Wide bandgap; dye-sensitized solar cells; CeO 2 ; rose bengal dye.

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“…Charge transfer process in DSSCs based on RB-sensitized CeO 2 photoanode can be explained in similar way as Arote et al [39]. Charge transfer process is shown in figure 9.…”

Section: Photovoltaic Analysismentioning

confidence: 54%

Section: Optical Absorption Spectra Of Rb Dyementioning

confidence: 99%

Rose bengal-sensitized nanocrystalline ceria photoanode for dye-sensitized solar cell application

et al. 2016

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“…To make SnO 2 paste, 0.5 g of SnO 2 powder was mixed with ethanol, acetic acid, ethylene glycol and α-terpineol in mortar and pestle for 40 min, then SnO 2 film was prepared on fluorine-doped tin oxide (FTO) glass by the doctor blade method. 23 After drying, all samples were annealed at 450 • C for 1 h. Further the SnO 2 films were immersed into Sb 2 S 3 colloidal solution for 1 h to adsorb Sb 2 S 3 nanoparticles onto the SnO 2 photoelectrode surface.…”

Section: Synthesis Of Sb 2 S 3 Preparation Of Sno 2 Photoelectrode mentioning

confidence: 99%

Room temperature synthesis of crystalline Sb2S3 for SnO2 photoanode-based solar cell application

Kulkarni¹,

Arote

Pathan

et al. 2015

Bull Mater Sci

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The preparation of crystalline antimony sulphide (Sb 2 S 3) by chemical route at room temperature was reported in this paper. The structural, morphological and optical properties of as-synthesized sample were systematically investigated. X-ray diffraction (XRD) analysis confirms the orthorhombic crystal phase for prepared Sb 2 S 3. Scanning electron microscope (SEM) images show uniform, dense spherical morphology having diameter around 200-220 nm. Energy band gap calculated from optical absorption spectra was observed around 2.17 eV. Contact angle measurement confirms the hydrophilic nature of the deposited film. The photoluminescence analysis shows low green luminescence as well as Stoke's shift for as-prepared Sb 2 S 3. The nanostructured solar cell is fabricated for energy harvesting purpose with Sb 2 S 3-sensitized SnO 2 photoanode and polysulphide electrolyte. The solar cell with FTO/SnO 2 /Sb 2 S 3 photoanode shows V OC ∼ 240 mV, J sc ∼ 0.640 mA cm −2 and FF ∼ 35%. The working mechanism and energy level diagram of Sb 2 S 3 /SnO 2 system have been discussed. Keywords. Sb 2 S 3 ; crystal phase; photosensitization.

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“…It has good conductivity only at high temperature due to the wide forbidden band of SnO2 (3.87 $ 4.3 eV) [23,24]. Adding rare earth oxide in coating is the same as introducing the impurities [25,26] such as Si, P in the SnO 2 semiconductor materials, the introduction of donor or acceptor level can reduce the band gap, so as to improve the conductivity of electrode materials.…”

Section: Xrdmentioning

confidence: 97%

Experimental study and theoretical calculation on the conductivity and stability of praseodymium doped tin oxide electrode

Guo

Xie

Jia

et al. 2015

Electrochimica Acta

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Eosin-Y sensitized tin oxide photoelectrode for dye sensitized solar cell application: Effect of dye adsorption time

Cited by 17 publications

References 38 publications

Rose bengal-sensitized nanocrystalline ceria photoanode for dye-sensitized solar cell application

Rose bengal-sensitized nanocrystalline ceria photoanode for dye-sensitized solar cell application

Room temperature synthesis of crystalline Sb2S3 for SnO2 photoanode-based solar cell application

Experimental study and theoretical calculation on the conductivity and stability of praseodymium doped tin oxide electrode

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