期刊
CURRENT OPINION IN COLLOID & INTERFACE SCIENCE
卷 19, 期 2, 页码 140-154出版社
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.cocis.2014.03.003
关键词
Covalent supramolecular nanoarchitectures; Thermodynamic self-assembly; Schiff base coupling reaction; Dynamic reversible reaction; Poly(azomethine); Surface-mediated polycondensation; Chemical liquid deposition; Soft solution process; Bottom-up nanotechnology
资金
- Core Research for Evolutional Science and Technology (CREST) of the Japan Science and Technology Agency (JST)
- Ministry of Education, Culture, Sports, Science and Technology, Japan [24102006]
- Grants-in-Aid for Scientific Research [23310078, 24102006] Funding Source: KAKEN
Two-dimensional supramolecular covalent macromolecular architectures were visualized directly by in-situ scanning tunneling microcopy and colorful pi-conjugated nanofilms with unique mesostructures formed spontaneously on hydrophobic substrates from aqueous solutions in the presence of simple aromatic building block molecules under ambient conditions. We thus report the results of surface-mediated polycondensation and chemical liquid deposition. The Schiff base coupling reaction applied for this soft solution process is a dynamic reversible covalent coupling reaction that can be managed by careful changes in solution conditions based on 'adsorption' and 'polymerization' equilibria. This low-cost and eco-friendly 'bottom-up' method allows great diversity in terms of the design of primary polymeric chemical structures by the selection of building blocks without the need to consider the solubility of the polymer. This paves the way to a true 'bottom-up' assembly of a vast array of solid-supported, designer supramolecular nanoarchitectures with potential use as functional materials for next-generation organic electronics. (C) 2014 Elsevier Ltd. All rights reserved.
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