Figure 11. Effect of frequency on impedance of grafted PET films after sulfonation

From

Properties of Proton Exchange Membranes Poly-ethylene Terephthalate (PET) Films Developed by Gamma Radiation Induced Grafting and Sulfonation Technique

Khadiza Begam, Md. AlamgirKabir, M. Mahbubur Rahman, Md. Abul Hossain, Mubarak A. Khan

Physics and Materials Chemistry. 2013, 1(2), 13-20 doi:10.12691/pmc-1-2-2