Fabrication of Langmuir-Blodgett Film of Surface-Modified ZnO Nanoparticles Prepared by Solution Process

DOI Web Site 21 References
  • Hasuike Yuhei
    Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Kitamoto Yoshitaka
    Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Tsuge Takeharu
    Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Hara Masahiko
    Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Odawara Osamu
    Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology
  • Wada Hiroyuki
    Interdisciplinary Graduate School of Science and Engineering, Tokyo Institute of Technology

Abstract

ZnO nanoparticles were prepared by a solution method and a film of these nanoparticles was prepared by the Langmuir-Blodgett (LB) method. To prepare the LB film, the dispersibilities of ZnO nanoparticles in water and organic solvents were examined. The surface of the ZnO nanoparticles was modified by a surfactant, cetyltrimethylammonium bromide (CTAB), to improve their dispersibility. Using water as a solvent, dispersibility was improved by changing the CTAB concentration. However, aggregation of the nanoparticles occurred when they were transferred to chloroform to spread on water for fabrication of the LB film. With an organic solvent, aggregation of the ZnO nanoparticles in the LB film was improved when chloroform was used.

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