Halogen Bonding as a New Driving Force for Layer-by-Layer Assembly
- 14 August 2007
- journal article
- Published by American Chemical Society (ACS) in Langmuir
- Vol. 23 (19), 9540-9542
- https://doi.org/10.1021/la701969q
Abstract
A new approach for fabricating a layer-by-layer polymer film was explored, which was based on the halogen bonding between poly(4-(4-iodo-2,3,5,6-tetrafluorophenoxy)-butyl acrylate) and poly(4-vinylpyridine). Layer-by-layer assembly of two polymers was confirmed by UV-vis spectroscopy and quartz crystal microbalance measurements. The interaction between the two polymers was identified as halogen bonding by X-ray photoelectron spectroscopy. The surface of the multilayer film is flat, and the thickness of one bilayer is about 1.3 nm. We also compared the stability of a halogen-bonded multilayer film in methanol with that of a hydrogen-bonded multilayer film.Keywords
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