Photovoltaic performance of dye-sensitized solar cells assembled with electrospun polyacrylonitrile/silica-based fibrous composite membranes

Different weight percentage (1, 2 and 3wt%) of cobalt sulfide incorporated (CoS) incorporated electrospun poly(vinylidene fluoride-co-hexafluoropropylene) (PVdF-HFP) nanocomposite membranes were prepared by electrospinning technique. The surface morphology, crystallinity, porosity and electrolyte uptake of the electrospun nanocomposite membranes were examined. The prepared electrospun PVdF-HFP/CoS nanocomposite membranes (esCPM) were activated by ionic liquid electrolyte containing 0.5M LiI, 0.05M I 2 and 0.5M 4-tert butylpyridine, 0.5M 1-Butyl-3-methylimidazolium iodide in acetonitrile to obtain electrospun PVdF-HFP/CoS nanocomposite membrane electrolytes (esCPMEs). The uniformly dispersed CoS nanoparticles increase the charge transport and facilitate the diffusion of redox couple in the electrolyte system. The electrochemical characteristics of dye-sensitized solar cell (DSSC) depends on the amount of CoS incorporated in esCPME wasalso studied in detail. The photovoltaic performance of DSSC assembled using 1wt% of CoS incorporated esCPME was measured and it was found to be 7.34%, which is higher than that assembled using esPME (6.42%).

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“…Electrolyte uptake (U ) was estimated using the formula 5 ; Electrolyte uptake (U ) was estimated using the formula 5 ;…”

Section: Characterization Of Escpmmentioning

confidence: 99%

High-performance dye-sensitized solar cell based on an electrospun poly(vinylidene fluoride-co-hexafluoropropylene)/cobalt sulfide nanocomposite membrane electrolyte

et al. 2015

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“…The electrospun fibrous PAN membrane was prepared using an electrospinning method, as previously reported 45 . PAN (M w = 150,000, Sigma-Aldrich) was dissolved in anhydrous N,N-dimethylformamide at 60 °C to a concentration of 10 wt.%, and the resulting polymer solution was injected through a capillary tip using a plastic syringe (10 ml).…”

Section: Methodsmentioning

confidence: 99%

Cross-linked Composite Gel Polymer Electrolyte using Mesoporous Methacrylate-Functionalized SiO2 Nanoparticles for Lithium-Ion Polymer Batteries

Shin

Cho

Kannan

et al. 2016

Sci Rep

Self Cite

208

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Liquid electrolytes composed of lithium salt in a mixture of organic solvents have been widely used for lithium-ion batteries. However, the high flammability of the organic solvents can lead to thermal runaway and explosions if the system is accidentally subjected to a short circuit or experiences local overheating. In this work, a cross-linked composite gel polymer electrolyte was prepared and applied to lithium-ion polymer cells as a safer and more reliable electrolyte. Mesoporous SiO2 nanoparticles containing reactive methacrylate groups as cross-linking sites were synthesized and dispersed into the fibrous polyacrylonitrile membrane. They directly reacted with gel electrolyte precursors containing tri(ethylene glycol) diacrylate, resulting in the formation of a cross-linked composite gel polymer electrolyte with high ionic conductivity and favorable interfacial characteristics. The mesoporous SiO2 particles also served as HF scavengers to reduce the HF content in the electrolyte at high temperature. As a result, the cycling performance of the lithium-ion polymer cells with cross-linked composite gel polymer electrolytes employing methacrylate-functionalized mesoporous SiO2 nanoparticles was remarkably improved at elevated temperatures.

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“…The photoanode is usually made by coating TiO 2 on a transparent fluorine-doped SnO 2 coated glass (FTO). DSSC has some advantages such as low production cost, less toxic manufacturing, and lightweight [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Enhancing DSSC conversion efficiency by ozone-treated TiO2 photoanode and optimum CNT/PDDA counter electrode

Kurokawa¹,

Nguyen²,

Fujimoto³

et al. 2020

IJECE

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The conversion efficiency of dye-sensitized solar cells (DSSCs) depends on the performance of the photoanode and the counter electrode. In this paper, UV-ozone treatment has been applied to the photoanode to clean and increase the hydrophilicity of the photoanode. As a result, the dye adsorption capacity was improved. Also, low-cost multiwalled carbon nanotube (CNT) combined with poly (diallyl dimethylammonium chloride) (PDDA) was used to fabricate the counter electrode. The CNT/PDDA counter electrode was optimized to maximize its performance. By using the ozone-treated photoanode and optimum CNT/PDDA counter electrode, the conversion efficiency has increased by about 64%.

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Photovoltaic performance of dye-sensitized solar cells assembled with electrospun polyacrylonitrile/silica-based fibrous composite membranes

Cited by 32 publications

References 44 publications

High-performance dye-sensitized solar cell based on an electrospun poly(vinylidene fluoride-co-hexafluoropropylene)/cobalt sulfide nanocomposite membrane electrolyte

High-performance dye-sensitized solar cell based on an electrospun poly(vinylidene fluoride-co-hexafluoropropylene)/cobalt sulfide nanocomposite membrane electrolyte

Cross-linked Composite Gel Polymer Electrolyte using Mesoporous Methacrylate-Functionalized SiO2 Nanoparticles for Lithium-Ion Polymer Batteries

Enhancing DSSC conversion efficiency by ozone-treated TiO2 photoanode and optimum CNT/PDDA counter electrode

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