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Creation of spherical aggregates of Pd nanoparticles on the surface of POSS-modified graphene oxide

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Abstract

A simple method was proposed for preparing aggregates of Pd nanoparticles on graphene oxide (GO) by mixing of palladium acetate and GO modified with polyhedral oligomeric silsesquioxane (POSS) (POSS-modified GO) in methanol. Spherical aggregates of Pd nanoparticles with a diameter 10–30 nm were densely produced on the surface of POSS-modified GO. POSS-modified GO was synthesized by the ionic interactions between negatively charged GO and positively charged POSS–NH3 +. POSS–NH3 + with silica-like core and eight organic functional groups on the surface of GO plays a role in making the spherical aggregates of Pd nanoparticles (Pd–POSS/GO). The residual content and thermal stability of Pd–POSS/GO were higher than that of GO and POSS-modified GO in thermogravimetric (TGA) analysis. The size of aggregates of Pd nanoparticles on the surface of POSS-modified GO is smaller than that of aggregates of Pd nanoparticles produced without GO template. POSS-modified GO and Pd–POSS/GO were fully characterized by Fourier transform infrared spectra, scanning electron microscopy, transmission electron microscopy, and TGA.

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Acknowledgments

This research was supported by Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education (2015R1D1A3A01019742).

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Authors and Affiliations

  1. Department of Polymer Science and Engineering, Korea National University of Transportation, 50 Daehangno, Chungju, Chungbuk, 380-702, Korea

    In Seol Hwang, Jung-Hyurk Lim & Kyung-Min Kim

  2. Department of Textile Convergence of Bio and Nanotechnology, Korea Institute of Industrial Technology, Ansan, Korea

    Ki-Young Kim

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  1. In Seol Hwang
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  2. Ki-Young Kim
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  3. Jung-Hyurk Lim
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Correspondence to Jung-Hyurk Lim or Kyung-Min Kim.

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Hwang, I.S., Kim, KY., Lim, JH. et al. Creation of spherical aggregates of Pd nanoparticles on the surface of POSS-modified graphene oxide. Polym. Bull. 73, 2557–2565 (2016). https://doi.org/10.1007/s00289-016-1685-4

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  • DOI: https://doi.org/10.1007/s00289-016-1685-4

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