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Journal of Nanoparticle Research

, Volume 13, Issue 3, pp 997–1005 | Cite as

Photocatalytic synthesis of silver nanoparticles using polysilane initiator

  • Liviu Sacarescu
  • Mihaela Simionescu
  • Gabriela Sacarescu
  • Elena Gabriela Hitruc
Research Paper

Abstract

This study shows that the exposure to visible light of the poly[diphenylsilane-co-methyl(H)silane] solution together with a silver salt, initiates a photocatalytic process which leads to the formation of metal nanoparticles. This phenomenon is a consequence of close-range interactions between the methylhydrosilyls’ σ-conjugated segments and the metal ions at the salt surface. Due to the weak charge transfer complexes thin films casted from solution show a specific morphology with microdomains of various dimensions and shapes in relation with the stage of the process. The polymethylhydrosilane copolymer stabilizes the synthesized nanoparticles in a similar manner as the conventional surfactants do. The polymer chemical structure is not affected during the photocatalytic process and the optical and electronic properties of polysilanes are well preserved.

Keywords

Silver nanoparticles Synthesis Polysilanes Nanocomposite Core–shell polymer 

Notes

Acknowledgments

The authors thank to Romanian Ministry of Education—Matnantech project No. 36/2005 for supporting this study.

Supplementary material

11051_2010_120_MOESM1_ESM.pdf (188 kb)
Supplementary material 1 (PDF 187 kb)

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Copyright information

© Springer Science+Business Media B.V. 2010

Authors and Affiliations

  • Liviu Sacarescu
    • 1
  • Mihaela Simionescu
    • 1
  • Gabriela Sacarescu
    • 1
  • Elena Gabriela Hitruc
    • 1
  1. 1.“Petru Poni” Institute of Macromolecular ChemistryIasiRomania

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