Preparation and Enhanced Properties of Fe3O4 Nanoparticles Reinforced Polyimide Nanocomposites

Daowei Ding, Xingru Yan, Xi Zhang, Qingliang He, Bin Qiu, Dawei Jiang, Huige Wei, Jiang Guo, Ahmad Umar, Luyi Sun, Qiang Wang, Mojammel A Khan, David P Young, Xin Zhang, Brandon Weeks, Thomas C Ho, Zhanhu Guo, Suying Wei

Research output: Contribution to journalArticle


Polyimide (PI) nanocomposite reinforced with Fe3O4 nanoparticles (NPs) at various NPs loadings levels of 5.0, 10.0, 15.0, and 20.0 wt% were prepared. The chemical interactions of the Fe3O4 NPs/PI nanocomposites were characterized using Fourier Transform Infrared (FT-IR) spectroscopy. X-ray Diffraction (XRD) results revealed that the addition of NPs had a significant effect on the crystallization of PI. Scanning electron microscope (SEM) and the atomic force microscope (AFM) were used to characterize the dispersion and surface morphology of the Fe3O4 NPs and the PI nanocomposites. The obtained optical band gap of the nanocomposites characterized using Ultraviolet-Visible Diffuse Reflectance Spectroscopy (UV-Vis DRS) was decreased with increasing the Fe3O4 loading. Differential scanning calorimetry (DSC) results showed a continuous increase of T-g with increasing the Fe3O4 NPs loading. Some differences were observed in the onset decomposition temperature between the pure PI and nanocomp
Original languageEnglish
Pages (from-to)305-320
JournalSuperlattices and Microstructures
StatePublished - Sep 2015


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