Applied Physics A

, 124:805 | Cite as

Properties of graphene/Au nanocomposite prepared by laser irradiation of the mixture of individual colloids

  • Negar Najafianpour
  • Davoud DorranianEmail author


Production and characterization of Au/graphene nanocomposite using laser ablation method are investigated experimentally. First, graphene nanosheets and Au nanoparticles were synthesized by irradiating their bulk in deionized water with the fundamental harmonic of Nd:YAG-pulsed laser separately. Then, composition of four different volumetric ratios of the Au/graphene nanostructures was irradiated by the second harmonic wavelength of pulsed Nd:YAG laser to form Au/graphene nanocomposite. Productions were studied employing UV–Vis–NIR absorption spectroscopy, X-ray diffraction, FTIR spectroscopy, photoluminescence spectroscopy, Raman shift spectroscopy, and TEM images. Results show that Au nanoparticles were melted by absorption of second harmonic photons of Nd:YAG laser and composed by graphene nanosheets, but the values of sp2 domains were decreased noticeably in the graphene structure after green laser irradiation.


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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Laser Lab, Plasma Physics Research Center, Science and Research BranchIslamic Azad UniversityTehranIran

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