What is this peak at 2430 in my Raman spectra (Oxygen evolution reaction electrode in-situ electrolysis)?

I can't find any definitive peak explanation for the one I see at 2430 1/cm in the attached file. It is common amongst my ionomer, which is a Versogen PAP polymer based on a quaternary ammonium...

11 January 2024 7,157 1 View