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Chinese Science Bulletin

, Volume 45, Issue 20, pp 1850–1853 | Cite as

Two-dimensional array of nanoparticles intermitted by long chain molecules

  • Xiaoyan Chen
  • Jinru Li
  • Long Jiang
Notes

Abstract

It is an important theme in nanoscience to control the interval of the ordered array of nanoparticles through modifying the chain length of the passivating molecules of the nanoparticles. The theme runs through most of the applications of the ordered array of nanoparticles. Though the Langmuir-Blodgett (LB) technique is one of the most important ways to prepare the twodimensional ordered array of nanoparticles, it has only been used in case that the passivating molecules are short enough (<Cl2). When the passivating molecules become longer, it is difficult to obtain the ordered array of the particles simply by compressing them on the surface of water. The present work focused on the formation of the two-dimensional array of the octadecylamine-passivated gold nanoparticles at the airlwater interface. By properly modifying the ordinary LB technique, the long-term two-dimensional ordered array of nanoparticles was successfully achieved. The surface pressure-area isotherms and the electron microscopy observation showed that the key to preparing the two-dimensional ordered arrangement of nanoparticles is to overcome the interaction among the passivant shells.

Keywords

two-dimensional array nanoparticle gold 

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References

  1. 1.
    Brust, M., Hethell, D., Kiely, C. J. et al., Self-assembled gold nanoparticle thin films with nonmetallic optical and electt-onic properties. Langmuir, 1998, 14: 5425.CrossRefGoogle Scholar
  2. 2.
    Finh, J., Kiely, C. J., Hcthell, D. et al., Self-organization of nanosized gold particles, Chem. Mater., 1998, 10: 922.CrossRefGoogle Scholar
  3. 3.
    Ahe, K., Hanaa, T., Yoshida, Y. et al., Two-dimensional array of silver nanoparticles, Thin Solid Films, 1998, 327-329: 524.CrossRefGoogle Scholar
  4. 4.
    Mktyya, K. S., Patil, V., Sastry, M., Lamellar niultilayer gold cluster films deposited by the Langmuir-Blodgett technique, Langmuir, 1997, 13: 3575.CrossRefGoogle Scholar
  5. 5.
    Collier, C. P., Saykally, R. J., Shiang, J. J. et al., Reversible tuning of silver quantum dot monolayers through the metal-insulator transition, Science. 1997, 277: 1978.CrossRefGoogle Scholar
  6. 6.
    Heath, J. K., Knobler, C. M., Leff, D. V., Pressure/temperature phase diagrams and superlattices of organically functionalized metal nanocrystal monolayers: The influence of particle size, size distribution, and surface passivant, J. Phys. Chem., B. 1997, 101: 189.CrossRefGoogle Scholar
  7. 7.
    Fan, C. Y., Jiang, L., Preparation of hydrophobic nanometer gold particles and their optical adsorption in chloroform, Langmuri, 1997, 13: 3050.Google Scholar
  8. 8.
    Murray, C. B., Norris, D. J., Rawendi, M. G., Synthesis and characterization of nearly monodisperse CdE (E=S, Se, Te) semicontluctor nanocrystallites, J. Am. Chem. Soc., 1993, 115: 8706.CrossRefGoogle Scholar
  9. 9.
    Ohara, P. C., Leff, D. V., Heath, J. R., Crystllization of opals from polydisperse nanoparticles, Phys. Rev. Lett., 1995, 75: 3466.PubMedCrossRefGoogle Scholar
  10. 10.
    Leff, D. V., Brandt, L., Heath, J. R., Synthesis and characterization of hydrophobic, organically-soluble gold nanocrystals functionalized with primary amines, Langmuir, 1996, 12: 4723.CrossRefGoogle Scholar
  11. 11.
    Badia, A., Cuccia, L., Demers, L., Structure and dynamics in alkanethiolate monolayers self-assembled on gold nanoparticles: A DSC. FT-IR and deuterium NMR study, J. Am. Chem. Soc., 1997, 119: 2682.CrossRefGoogle Scholar
  12. 17.
    Kajiyama, T., Oishi, Y., Hirosc, F., Direct observation of molecular arrangements in fatty acid monolayers with an atomic force microscopy. Langmuir. 1994, 10: 1297.CrossRefGoogle Scholar
  13. 13.
    Bain, C. D., Evall, J., Whitesides, G. M., Formation of monolayers by the coadsorption of thiols on gold: Variation in the head group, thiol group, and solvent, J. Am. Chem. Soc., 1989, 111: 7155.CrossRefGoogle Scholar

Copyright information

© Science in China Press 2000

Authors and Affiliations

  1. 1.Center for Molecular Science, Institute of Photographic ChemistryChinese Academy of SciencesBeijingChina

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