Journal of Powder Materials (한국분말재료학회지)

The Korean Powder Metallurgy & Materials Institute (한국분말재료학회 (*구 분말야금학회))
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Nanostructure Construction of SiO2@Au Core-Shell by In-situ Synthesis

코어-쉘 구조 SiO2@Au 나노입자의 in-situ 합성

  • Pyeon, Mu-Jae (Department of Material Engineering, Pusan National University) ;
  • Kim, Do Kyung (College of Medicine, Konyang University) ;
  • Jeong, Young-Keun (Graduate School of Convergence Science, Pusan National University)
  • Received : 2018.10.12
  • Accepted : 2018.10.20
  • Published : 2018.10.28
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Abstract

Core-shell structured nanoparticles are garnering attention because these nanoparticles are expected to have a wide range of applications. The objective of the present study is to improve the coating efficiency of gold shell formed on the surface of silica nanoparticles for $SiO_2@Au$ core-shell structure. For the efficient coating of gold shell, we attempt an in-situ synthesis method such that the nuclei of the gold nanoparticles are generated and grown on the surface of silica nanoparticles. This method can effectively form a gold shell as compared to the conventional method of attaching gold nanoparticles to silica particles. It is considered possible to form a dense gold shell because the problems caused by electrostatic repulsion between the gold nanoparticles in the conventional method are eliminated.

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References

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