Layer-by-layer self-assembly of bisdendrons : an unprecedented route to multilayer thin films

Lee, Ok-Joo and Maraval, Valérie and Caminade, Anne-Marie and Chung, Kyungwha and Lau, King Hang Aaron and Shin, Kwanwoo and Majoral, Jean-Pierre and Knoll, Wolfgang and Kim, Dong Ha (2016) Layer-by-layer self-assembly of bisdendrons : an unprecedented route to multilayer thin films. Macromolecular Research, 24 (10). pp. 851-855. ISSN 1598-5032

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    Abstract

    We present an unprecedented route to fabricate multilayer thin films by single component layer-by-layer molecular self-assembly. Tailored water-soluble phosphorus bisdendrons were obtained via core to core assembling of two dendrons bearing anionic groups at one end and quaternizable amino end groups at the other end. Adsorption of a 1st bisdendron monolayer on a charged substrate followed by sequential quaternization/deposition of a 2nd layer leads to a stepwise growth of multilayers. By this way homogeneous multilayer thin films were successfully constructed as confirmed by spectroscopic and microscopic analysis.