Zhao Zhi-juan, Liu Fen*, Zhao Liang-zhong
(Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China)
Abstract: XPS was used to measure the shifts of N1s and O1s binding energies in the amide group of nylon11 combined with BiI3 nanoparticles. Besides, attenuated total reflection infrared spectroscopy was used to study the complex effect of BiI3 on hydrogen bonding in polyamide. Compared with nylon11, higher binding energies of N1s and O1s in BiI3-nylon11 nanocomposites were observed. Before X-ray exposure, the N-H stretch frequency, amide I mode, and amide II mode in the vibrational spectra of BiI3-nylon11 nanocomposits shifts remarkably relative to those of pure nylon11; however, the amide I and II mode in the vibrational spectra of composits are similar to those of nylon11 after X-ray irradiation, except that bands are broader. CH2 stretching vibrations are, at large unaffected by the complexation whether or not being exposed to X-rays. These results are meaningful for the understanding the hydrogen bonding in polymers and its effects on structure and properties.
Key words: nanocomposite; X-ray photoelectron spectroscopy; attenuated total reflection infrared spectroscopy
E-mail: fenliu@iccas.ac.cn
Analysis and Testing Technology and Instruments, Vol. 17, No. 1, 2011, 42-46.
