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Journal Article
Fabrication of Nanosized Molecular Array Device and Logic Gate Using Dimethyl-Phenylethynyl Thiol
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- Authors
- Do Hyun Kim, Hyo Young Lee, Chung Kun Song, Chang Jin Lee
- Issue Date
- 2006-11
- Citation
- Journal of Nanoscience and Nanotechnology, v.6, no.11, pp.3470-3473
- ISSN
- 1533-4880
- Publisher
- American Scientific Publishers (ASP)
- Language
- English
- Type
- Journal Article
- Abstract
- Hybrid Langmuir and Langmuir-Blodgett monolayers of a perfluorooctadecanoic acid mixed with a rigid block copolymer, poly(3,5-bis(3,5-bis(benzyloxy) benzyloxy)benzyl methacrylate-random-methacrylic acid)-block-poly(2- perfluorooctylethyl acrylate), which is composed of benzyloxy dendron side chains and perfluorinated side chains, were prepared and characterized by surface pressure-surface area isotherms, atomic force microscopic images and neutron and X-ray reflectometries. The two-dimensionally phase-separated structures of monolayer films and their morphologies with plateau and terrace were confirmed. The monolayers were separated into a dendron layer, a perfluorinated layer, and a carboxyl layer. The layer formation is originated not only in the intermolecular interaction between a perfluorooctadecanoic acid and a block copolymer but also in the geometry of the molecules. Especially, the amphiphilicity of perfluorinated surfactant plays a role to the ordered array of the block copolymers. Copyright © 2006 American Scientific Publishers All rights reserved.