Bilayer and Trilayer Crystalline Formation by Collapsing Behenic Acid Monolayers at Gas/Aqueous Interfaces
Journal Article
·
· Langmuir
OSTI ID:963042
X-ray reflectivities and grazing incidence X-ray diffractions of behenic acid (BA) monolayers compressed to the collapse region reveal that the resulting structures are reproducible and exhibit a high degree of order. The structures of the collapsed monolayers depend on the subphase solution. On pure water, the collapsed monolayer forms a stable crystalline trilayer structure. For monolayers spread on Ca{sup 2+} solutions, we find that an inverted bilayer structure is formed; that is, stretched BA-Ca-BA (calcium dibehenate, with calcium ions bridging the polar headgroups) forms a monolayer with the hydrophobic tails in contact with the water surface.
- Research Organization:
- Ames Laboratory (AMES), Ames, IA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC02-07CH11358
- OSTI ID:
- 963042
- Report Number(s):
- IS-J 7361
- Journal Information:
- Langmuir, Journal Name: Langmuir Journal Issue: 2 Vol. 24; ISSN 1520-5827
- Country of Publication:
- United States
- Language:
- English
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