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Fabrication of Multilayer Films Using a Spinning Process

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Abstract

We introduce a method to build up organic/organic and organic/inorganic multilayer films composed of cationic poly(allylamine hydrochloride) (PAH) and negatively charged poly(sodium 4-styrenesulfonate) (PSS) or inorganic cadmium sulfide (CdS) nanoparticles using a spinning process. Since the deposition of each layer is made at a high spinning speed, the adsorption time for the formation of a homogeneous thin layer takes only 8 to 15 seconds. The adsorbed film thickness per bilayer can be easily controlled from about 5Å to 40Å by varying the spinning speed (Ω) and the mole concentration of polyelectrolytes. We also demonstrated with X-ray reflectivity that the alternating organic/inorganic ultrathin films fabricated by the spin SA process retain highly ordered internal structure in comparison with those prepared by the conventional SA process.

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Authors and Affiliations

  1. School of Chemical Engineering, Seoul National University, San 56-1, Shinlim-dong, Kwanak-gu, Seoul, 151-742, Korea

    Jinhan Cho & Kookheon Char

  2. Department of Chemistry, University of Inchon, Dowha-dong, Namgu, Inchon, 402-749, Korea

    Jong-Dal Hong

  3. Department of Physics, Pohang University of Science and Technology, San 31, Hyoja-dong, Nam-gu, Pohang, 790-784, Kyoungbuk, Korea

    Ki-Bong Lee

Authors
  1. Jinhan Cho
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  2. Kookheon Char
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  3. Jong-Dal Hong
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  4. Ki-Bong Lee
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Cho, J., Char, K., Hong, JD. et al. Fabrication of Multilayer Films Using a Spinning Process. MRS Online Proceedings Library 648, 625 (2000). https://doi.org/10.1557/PROC-648-P6.25

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  • DOI: https://doi.org/10.1557/PROC-648-P6.25

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