Modelling IR Spectra of Sulfonated Polyether Ether Ketone (SPEEK) Membranes for Fuel Cells

Abstract:

SPEEK (sulfonated polyether ether ketone) membranes have been prepared and characterized. The SPEEK membrane geometry and theoretical vibration spectra calculated using density functional theory (DFT) as depending from membrane chain length and polymer cross-linking. Analyzed the limitations of the method by comparing theoretical and experimental IR spectra.

• Periodical: Key Engineering Materials (Volume 850)
• Pages: 138-143
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.850.138
• Online since: June 2020
• Authors: Guntars Vaivars*, Kristīne Krūkle-Bērziņa, Madara Markus
• Keywords: ATR-IR Spectra, Proton Conducting Membranes, Sulfonated Poly(Ether Ether Ketone), Theoretical Ir Spectra

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