Fig. 4: Ionic interactions between the polyamide network and STCAss/SCA.

a Deconvolution of N 1 s and S 2 p XPS spectra for TFC-0, TFN-STCAss-1.5, and TFN-SCA-1.5, and b illustrations on the interactions between polyamide network and STCAss/SCA.

a Deconvolution of N 1 s and S 2 p XPS spectra for TFC-0, TFN-STCAss-1.5, and TFN-SCA-1.5, and b illustrations on the interactions between polyamide network and STCAss/SCA.