NDLI: Inorganic Extended Solid Langmuir-Blodgett Films

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Inorganic Extended Solid Langmuir-Blodgett Films

Content Provider	Scilit
Author	Talham, Daniel R. Byrd, Houston Seip, Candace T.
Copyright Year	2018
Description	It has long been realized (1) that metal ions added to the subphase under monolayer films of fatty acids can be incorporated into Langmuir-Blodgett (LB) monolayer and multilayer films. Divalent metal ions crosslink the carboxylate groups and are often used to enhance the stability of transferred films (2–4). The difference in solubility between a free acid and its metal salt was used by Blodgett to produce films with a tunable refractive index through a process termed skeletonization (5). The free acid molecules of a partially ionized film were dissolved away with an organic solvent, leaving behind a skeletonized film of metal carboxylate with an enhanced porosity and a reduced refractive index. The influence of metal ions on the film can be detected at the air-water interface by changes in the pressure versus area isotherms (2), and recently the different surface structures that form have been probed using synchrotron radiation (6). Pressure-pH phase diagrams clearly show changes in film structure as metal ions are incorporated (6). Headgroup-headgroup interactions change as the pH is varied and metal ions bind at the interface, leading to changes in the packing of the alkyl tails. Book Name: Micelles, Microemulsions, and Monolayers
Related Links	https://content.taylorfrancis.com/books/download?dac=C2006-0-04227-7&isbn=9780203747339&doi=10.1201/9780203747339-20&format=pdf
Ending Page	461
Page Count	15
Starting Page	447
DOI	10.1201/9780203747339-20
Language	English
Publisher	Informa UK Limited
Publisher Date	2018-05-04
Access Restriction	Open
Subject Keyword	Book Name: Micelles, Microemulsions, and Monolayers Atomic, Molecular and Chemical Physics Skeletonized
Content Type	Text
Resource Type	Chapter

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