A novel multilayer thin-film membrane with high durability: preparation, characterization, performance investigation

Ahmadi, B.; Dorraji, Mir Saeed Seyed; Kianfar, Masoumeh; Rasoulifard, Mohammad Hossein; Ahmadi, Arsalan

doi:10.1039/d2nj01170k

New J. Chem.

2022

DOI: 10.1039/d2nj01170k

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A novel multilayer thin-film membrane with high durability: preparation, characterization, performance investigation

B. Ahmadi

Mir Saeed Seyed Dorraji

Masoumeh Kianfar

et al.

Abstract: A highly durable thin film composite membrane was fabricated using composite nanofibers including sulfonated polyvinylidene fluoride and polyvinylidene fluoride (S-PVDF-PVDF) as a supporting layer, electrospraied sodium alginate (SA) among the...

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2024

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Cited by 3 publications

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Investigation on sulfonated PVC/polymethyl methacrylate (PMMA)/polystyrene sulfonate (PSS) polymer blends as proton-conducting membrane

Elerian,

Mohamed,

Elnaggar

et al. 2024

Polym. Bull.

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The design and development of cost-effective and increased methanol permeable and proton-conductive membranes are critical concerns in the fabrication of polymeric electrolyte membranes (PEM). A solution-casting process was used to create a low-cost PEM based on sulfonated polyvinyl chloride (SPVC)-Polymethyl methacrylate (PMMA) blended with varying concentrations of Poly(sodium 4-styrenesulfonate) (PSS). The contact angle, oxidative stability, swelling ratio, water uptake, and methanol uptake of SPVC/PMMA/PSS membranes were investigated as a function of PSS molar ratio. FT-IR examination, 1H NMR spectra, Raman spectroscopy, X-ray diffraction, thermogravimetric analysis (TGA), and scanning electron microscope micrographs were additionally utilized for confirming the chemical structure, morphology, and thermal stability of SPVC/PMMA/PSS membranes. Furthermore, the ion exchange capacity (IEC), proton conductivity, and methanol permeability of SPVC/PMMA/PSS membranes were investigated depending on the PSS concentration. The results showed a significant increase in proton conductivity from 1.80 × 10–2 for SPVC/PMMA/1%PSS to 4.7 × 10–2 S/cm for SPVC/PMMA/5%PSS at ambient temperature. On the other hand, the methanol permeability (P = 8.53 × 10–8 cm2/s) was noticeably lower than that of Nafion 117 (3.39 × 10–6 cm2/s). Additionally, the IEC of the manufactured membrane was 1.38 ± 0.7 meq g−1 for SPVC/PMMA/5%PSS compared to 0.91 meq g−1 for Nafion 117 membranes. The maximum water uptake of the synthesized membranes was 48.37 ± 2.27%, whereas Nafion 117 membrane absorption was 65.44%. According to conductivity studies and the membrane efficiency factor, the ideal PSS content in a polymer matrix is 4 wt.%. Finally, the developed SPVC/PMMA/PSS polyelectrolytic membranes show improvements in essential properties such as methanol permeability, proton conductivity, and IEC when combined with low-cost materials, making them an attractive contender as PEM for DMFCs. Graphical abstract

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Investigation on sulfonated PVC/polymethyl methacrylate (PMMA)/polystyrene sulfonate (PSS) polymer blends as proton-conducting membrane

Elerian,

Mohamed,

Elnaggar

et al. 2024

Polym. Bull.

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Dye-sensitized solar cells achieved with multi-layered SnO2/ZnO composite photoanodes through precise control of thickness and composition

Weerasinghe,

Kumarasinghe,

Karunarathne

et al. 2024

J Mater Sci: Mater Electron

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The spin coating is cost-effective, straightforward, and highly suitable for the large-scale production of solar cells. In this study, we report the fabrication of SnO2/ZnO composite films for dye-sensitized solar cells (DSCs) using a simplified and cost-effective spin-coating technique on fluorine-doped tin oxide glass substrates. This study introduces a new way of preparing a multi-layered composite thin film using a suspension containing colloidal SnO2 nanoparticles and ZnO nanoparticles followed by sonication and aging of TiO2-free high-efficiency DSCs. Our approach provides a facile way of obtaining a uniform film of tunable thickness with high reproducibility by adjusting the total number of coating cycles. The spin-coating process achieved a nano-sized SnO2-covered ZnO layer, contributing to enhanced conversion efficiency in DSCs. A specific number of seven coating cycles was identified as optimal for achieving the aspirational performance. Under standard AM 1.5 irradiation with an intensity of 100 mW/ cm2, the fabricated SnO2/ZnO composite films revealed an overall energy conversion efficiency of 6.5% with a thickness of 2.06 µm which is impressive for a TiO2-free DSC. This achievement indicates the potential of the developed fabrication process for cost-effective and scalable production of efficient DSCs with SnO2/ZnO composite.

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The influences of Keggin-type H3PW12O40 nanostructure on Polyurethane microfiltration membrane to reinforce screening organic pollutants from wastewater

Shafiei Kamel,

Seyed Dorraji,

Tarighati Sareshkeh

et al. 2024

Journal of Industrial and Engineering Chemistry

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A novel multilayer thin-film membrane with high durability: preparation, characterization, performance investigation

Abstract: A highly durable thin film composite membrane was fabricated using composite nanofibers including sulfonated polyvinylidene fluoride and polyvinylidene fluoride (S-PVDF-PVDF) as a supporting layer, electrospraied sodium alginate (SA) among the...

Cited by 3 publications

References 50 publications

Investigation on sulfonated PVC/polymethyl methacrylate (PMMA)/polystyrene sulfonate (PSS) polymer blends as proton-conducting membrane

Investigation on sulfonated PVC/polymethyl methacrylate (PMMA)/polystyrene sulfonate (PSS) polymer blends as proton-conducting membrane

Dye-sensitized solar cells achieved with multi-layered SnO2/ZnO composite photoanodes through precise control of thickness and composition

The influences of Keggin-type H3PW12O40 nanostructure on Polyurethane microfiltration membrane to reinforce screening organic pollutants from wastewater

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