Templates for wax deposition?

文献情報

出版日 2010-02-24

DOI 10.1039/B920945J

インパクトファクター 3.676

著者

Miguel A. San-Miguel, P. Mark Rodger

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要旨

Molecular dynamics simulations have been used to study the behaviour of a liquid mixture of octacosane and heptane between two planar hematite surfaces; one of the surfaces was coated by a monolayer of an imidazoline-based corrosion inhibitor (CI). It was found that the octacosane could be inserted into the CI monolayer when it was aligned with the alkyl tails of the CIs, but the rate for such an insertion was slow. Potential of mean force calculations confirmed that there is a free energy barrier to insertion of octacosane into the CI film, and identified a secondary minimum about 13 Å from the surface as a metastable intermediate for insertion. A much more rapid process was adsorption of the octacosane onto the exposed hematite (102) surface, forming multiple layers and with a packing that was reminiscent of the octacosane crystal structure but with an orientation that matched the topology of the haematite surface.

掲載誌

Physical Chemistry Chemical Physics

CiteScore: 5.5

自己引用率: 10.3%

年間論文数: 3036

Physical Chemistry Chemical Physics (PCCP) is an international journal co-owned by 19 physical chemistry and physics societies from around the world. This journal publishes original, cutting-edge research in physical chemistry, chemical physics and biophysical chemistry. To be suitable for publication in PCCP, articles must include significant innovation and/or insight into physical chemistry; this is the most important criterion that reviewers and Editors will judge against when evaluating submissions. The journal has a broad scope and welcomes contributions spanning experiment, theory, computation and data science. Topical coverage includes spectroscopy, dynamics, kinetics, statistical mechanics, thermodynamics, electrochemistry, catalysis, surface science, quantum mechanics, quantum computing and machine learning. Interdisciplinary research areas such as polymers and soft matter, materials, nanoscience, energy, surfaces/interfaces, and biophysical chemistry are welcomed if they demonstrate significant innovation and/or insight into physical chemistry. Joined experimental/theoretical studies are particularly appreciated when complementary and based on up-to-date approaches.

Templates for wax deposition?

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