Preparation of polyimide/zinc oxide nanocomposite films via an ion-exchange technique and their photoluminescence properties
作者： Shuxiang Mu , Dezhen Wu , Shengli Qi , Zhanpeng Wu
DOI: 10.1155/2011/950832
关键词:
摘要: Polyimide (PI) composite films with ZnO nanoparticles embedded in the surface layer were prepared by alkali hydrolyzation following ion exchange Zn(NO3)2 solution and thermal treatment of zinc ion-doped PI air atmosphere. The effect treatment, exchange, conditions was investigated relation to amount atomic loading, morphology, photoluminescence (PL), properties PI/ZnO using ICP, XPS, FE-SEM, TEM, Raman microscope, TGA, DSC. formed slowly dispersed uniformly surface-modified layers an average diameter 20 nm. PL spectra all nanocomposite obtained at 350°C/7 h possessed a weak ultraviolet emission peak broad strong visible band. maintained excellent property host films.
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