Abstract
Proton conductive inorganic–organic hybrid membranes were prepared from 3-(2-aminoethylaminopropyl)triethoxysilane (AEAPTES) and by the sol-gel method. Differential thermal analysis–thermogravimetry measurements revealed that the resulting membranes were thermally stable up to . From the IR spectra, formation of acid-base pairs by protonation of the amino groups with was confirmed. X-ray diffraction patterns of the membranes showed diffraction peaks corresponding to d-spacings of hexagonal structure, probably indicating that stacking of rodlike polysiloxanes with the acid-base pairs extruded outside. The conductivity of the membrane with the molar ratio of was at under dry Ar atmosphere.
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