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Two-dimensional self-organization of 1-nonanethiol-capped gold nanoparticles

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Chinese Science Bulletin

Abstract

A two-dimensional (2D) ordered hexagonal close-packed structure, formed by 1-nonanethiol-capped gold nanoparticles, is reported. The structure was constructed only by dipping the gold nanoparticle colloidal solution on flat substrate. The gold nanoparticles were synthesized as follows: First, AuCl −14 was transferred from aqueous solution to toluene by the phase-transfer reagent of tetraoctylammonium bromide. Then it was reduced with aqueous sodium borohydride in the presence of a given amount of 1-nonanethiol molecules which was used to control the nucleation and growth of the gold nanoparticles for the desired size. The experimental techniques, such as UV-Vis, FT-IR, and X-ray photoelectron spectroscopy (XPS), were employed to characterize the obtained product. Transmission electron microscopy (TEM) measurement demonstrated the size of the gold nanoparticle and the formation of two-dimensional ordered hexagonal close-packed gold nanoparticle structure.

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Authors and Affiliations

  1. Beijing Laboratory of Vacuum Physics, Institute of Physics & Center for Condensed Matter Physics, Chinese Academy of Sciences, 100080, Beijing, China

    Peng Jiang, Sishen Xie, Shengtai He, Haoxu Zhang, Dongxia Shi, Shijin Pang & Hongjun Gao

  2. Center for Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, 100101, Beijing, China

    Jiannian Yao

Authors
  1. Peng Jiang
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  2. Sishen Xie
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  3. Jiannian Yao
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  4. Shengtai He
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  5. Haoxu Zhang
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  6. Dongxia Shi
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  7. Shijin Pang
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  8. Hongjun Gao
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Correspondence to Peng Jiang or Hongjun Gao.

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Jiang, P., Xie, S., Yao, J. et al. Two-dimensional self-organization of 1-nonanethiol-capped gold nanoparticles. Chin.Sci.Bull. 46, 996–998 (2001). https://doi.org/10.1007/BF03183543

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  • DOI: https://doi.org/10.1007/BF03183543

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