Preparation and Properties of Polyvinylpyrrolidone / Zinc Oxide Composite Nanofibers

Abstract:

Zinc Oxide (ZnO) nanoparticles were firstly synthesized by the hydration of alkoxide. The as-synthesized ZnO were dispersed in the polyvinylpyrrolidone (PVP) solution. PVP/ZnO composite nanofibers were prepared via electrospinning the PVP/ZnO mixed solution. The morphology of ZnO nanoparticles and as-spun nanofibers was measured by scanning electron microscopy (SEM). The as-synthesized ZnO nanoparticles were homogeneous and stable, and their size ranged from 30 to 40 nm. The composite nanofibers showed a uniform and continuous morphology. With the increase of the ZnO content in the composite nanofibers, the diameter distribution of the composite nanofibers became wider. Transmission electron microscopy (TEM) images clearly showed that ZnO nanoparticles were distributed uniformly in the PVP/ZnO composite nanofibers without any aggregation, although the ZnO content reached as highly as 6 wt. %. The structures and properties of the composite nanofibers were investigated using X-ray diffraction (XRD), thermal gravimetric analysis (TGA), and Combined Stead State Fluorescence and Phosphorescence Lifetime Spectrometer (FLSP).

• Periodical: Advanced Materials Research (Volumes 399-401)
• Pages: 407-414
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.399-401.407
• Online since: November 2011
• Authors: Guo Qiang Xu, Li Guo Sun, Shu Hong Wang, Yang Xie, Cheng Wang, Peng Fei Yan, Jian Zhang, Kuo Fu
• Keywords: Composite Nanofibers, Electro-Spinning, ZnO Nanoparticles

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