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Characterization of nano-Ag/PVP composites synthesized via ultra-violet irradiation

  • Published:
Journal of Coal Science and Engineering (China)

Abstract

Nano-silver/polyvinylpyrrolidone(PVP)composite materials were successfully synthesized bi-insitu from silver nitrate solution with N-vinyl pyrrolidone (NVP) monomer, containing neither initiator nor reductant, in ultraviolet irradiation conditions. The resultant Ag/PVP nanocomposites were characterized by infrared spectroscopy (FT-IR), high resolution transmission electron microscopy (HRTEM), X-ray photoelectron spectroscopy (XPS), and X-ray diffraction (XRD). TEM show that nano silver particles are homogeneously dispersed in PVP polymer matrix, and the mean size of spherical silver particles is about 5 nm. The spectroscopy of XPS and FTIR showed that there is an interaction between nano silver not only with carbonyl oxygen but also with the nitrogen group within the NVP molecule through the p-π conjugation effect in the nano-silver/PVP composites system.

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Authors and Affiliations

  1. School of Chemical Engineering, Anhui University of Science and Technology, Huainan, 232001, China

    Wen-yao Huang & Guo-cai Xu

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  1. Wen-yao Huang
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  2. Guo-cai Xu
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Correspondence to Wen-yao Huang.

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Huang, Wy., Xu, Gc. Characterization of nano-Ag/PVP composites synthesized via ultra-violet irradiation. J Coal Sci Eng China 16, 188–192 (2010). https://doi.org/10.1007/s12404-010-0214-6

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  • DOI: https://doi.org/10.1007/s12404-010-0214-6

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