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Journal of Applied Physics / Volume 107 / Issue 6 / ARTICLES / Structural, Mechanical, Thermodynamic, and Optical Properties of Condensed Matter

J. Appl. Phys. 107, 063511 (2010); http://dx.doi.org/10.1063/1.3330678 (5 pages)

Colloidal gold nanosphere dispersions in smectic liquid crystals and thin nanoparticle-decorated smectic films

R. Pratibha1,2,3, W. Park2, and I. I. Smalyukh1,4,5

1Department of Physics, University of Colorado, Boulder, Colorado 80309, USA
2Department of Electrical and Computer Engineering, University of Colorado, Boulder, Colorado 80309, USA
3Raman Research Institute, C.V. Raman Avenue, Bangalore 560080, India
4Liquid Crystal Materials Research Center, University of Colorado, Boulder, Colorado 80309, USA
5Renewable and Sustainable Energy Institute, University of Colorado, Boulder, Colorado 80309, USA

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(Received 11 November 2009; accepted 27 January 2010; published online 24 March 2010)

We demonstrate that the layer structure and elasticity stabilize dispersions of colloidal nanoparticles in smectic liquid crystals. We use surface plasmon resonance spectra of gold nanospheres to probe their spatial distributions in the bulk of smectic lamellae. The average interparticle distances between the well-separated nanoinclusions in thin (<100 nm) smectic films are probed by atomic force microscopy. We show that limited motion of nanoparticles across layers due to the one-dimensional quasi-long-range solid-like structure and their elasticity-mediated interactions preclude irreversible aggregation and enhance the stability of the ensuing nanoscale dispersions in thermotropic smectic liquid crystals.

© 2010 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. EXPERIMENTAL METHODS AND MATERIALS
  3. RESULTS AND DISCUSSION
  4. CONCLUSIONS

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KEYWORDS and PACS

Keywords

aggregation, atomic force microscopy, colloidal crystals, elasticity, gold, inclusions, liquid films, long-range order, nanoparticles, organic compounds, phase separation, smectic liquid crystals, surface plasmon resonance, thin films

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3330678

PUBLICATION DATA

ISSN

0021-8979 (print)  
1089-7550 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

    P. Poulin and D. A. Weitz, Phys. Rev. E 57, 626 (1998).

    Y. Gu and N. L. Abbot, Phys. Rev. Lett. 85, 4719 (2000).

    P. S. Pershan and J. Prost, J. Appl. Phys. 46, 2343 (1975)JAPIAU000046000006002343000001.

    M. S. Turner and P. Sens, Phys. Rev. E 57, 823 (1998).

    G. Liao, I. I. Smalyukh, J. R. Kelly, O. D. Lavrentovich, and A. Jakli, Phys. Rev. E 72, 031704 (2005).

    C. D. Santangelo and R. D. Kamien, Phys. Rev. Lett. 91, 045506 (2003).

    J. B. Fournier, I. Dozov, and G. Durand, Phys. Rev. A 41, 2252 (1990).

    I. I. Smalyukh and O. D. Lavrentovich, Phys. Rev. Lett. 90, 085503 (2003).

    S. Biggs and P. Mulvaney, J. Chem. Phys. 100, 8501 (1994)JCPSA6000100000011008501000001.


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