Structure of a phenylacetylene macrocycle at the air-water interface

Oksana Y. Mindyuk; MacKenzie R. Stetzer; David Gidalevitz; Paul A. Heiney; James C. Nelson; Jeffrey S. Moore

doi:10.1021/la981092x

Structure of a phenylacetylene macrocycle at the air-water interface

Oksana Y. Mindyuk, MacKenzie R. Stetzer, David Gidalevitz, Paul A. Heiney, James C. Nelson, Jeffrey S. Moore

Research output: Contribution to journal › Article › peer-review

Abstract

We have used grazing incidence X-ray diffraction and X-ray specular reflectivity to study Langmuir films of a phenylacetylene macrocycle (PAM), a ring-shaped molecule known to form a tubular liquid crystal. PAM adopts an `edge-on' molecular arrangement at the air-water interface. The local structure is quite similar to that of the corresponding bulk columnar liquid crystal, but with enhanced order in the intracolumnar direction. The columnar order is disrupted by CsCl in the subphase and strongly enhanced by KCl in the subphase.

Original language	English (US)
Pages (from-to)	6897-6900
Number of pages	4
Journal	Langmuir
Volume	15
Issue number	20
DOIs	https://doi.org/10.1021/la981092x
State	Published - Sep 28 1999

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces
Spectroscopy
Electrochemistry

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10.1021/la981092x

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AU - Mindyuk, Oksana Y.

AU - Stetzer, MacKenzie R.

AU - Gidalevitz, David

AU - Heiney, Paul A.

AU - Nelson, James C.

AU - Moore, Jeffrey S.

PY - 1999/9/28

Y1 - 1999/9/28

N2 - We have used grazing incidence X-ray diffraction and X-ray specular reflectivity to study Langmuir films of a phenylacetylene macrocycle (PAM), a ring-shaped molecule known to form a tubular liquid crystal. PAM adopts an `edge-on' molecular arrangement at the air-water interface. The local structure is quite similar to that of the corresponding bulk columnar liquid crystal, but with enhanced order in the intracolumnar direction. The columnar order is disrupted by CsCl in the subphase and strongly enhanced by KCl in the subphase.

AB - We have used grazing incidence X-ray diffraction and X-ray specular reflectivity to study Langmuir films of a phenylacetylene macrocycle (PAM), a ring-shaped molecule known to form a tubular liquid crystal. PAM adopts an `edge-on' molecular arrangement at the air-water interface. The local structure is quite similar to that of the corresponding bulk columnar liquid crystal, but with enhanced order in the intracolumnar direction. The columnar order is disrupted by CsCl in the subphase and strongly enhanced by KCl in the subphase.

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Structure of a phenylacetylene macrocycle at the air-water interface

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