X-ray photoelectron spectroscopic studies of ionic interactions in poly(styrenesulfonic acid)/poly(vinylpyridine) complexes
作者： Xu Zhou , S.H Goh , S.Y Lee , K.L Tan
DOI: 10.1016/S0169-4332(97)00596-5
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摘要: X-ray photoelectron spectroscopic (XPS) measurements were made on complexes obtained from poly(styrenesulfonic acid) (PSSA) and poly(4-vinylpyridine) (P4VPy) or poly(2-vinylpyridine) (P2VPy). Ionic interactions in the are evidenced by development of a high-binding energy component N1s spectra. The extent protonation pyridine groups, ranging 34 to 86%, is linear function surface composition complex. As compared poly(vinylphosphonic (PVPA)/poly(vinylpyridine) complexes, more extensive PSSA/poly(vinylpyridine) complexes. position nitrogen ring does not have significant effect protonation. Fourier-transform infrared (FTIR) spectroscopy also showed existence ionic various
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