Order in thin films of side-chain liquid-crystalline polymers.

M.W.J. van der Wielen; M.A. Cohen Stuart; G.J. Fleer; D.K.G. de Boer; A.J.G. Leenaers; R.P. Nieuwhof; A.T.M. Marcelis; E.J.R. Sudhölter

doi:10.1021/la970243d

Order in thin films of side-chain liquid-crystalline polymers.

M.W.J. van der Wielen, M.A. Cohen Stuart, G.J. Fleer, D.K.G. de Boer, A.J.G. Leenaers, R.P. Nieuwhof, A.T.M. Marcelis, E.J.R. Sudhölter

Organic Chemistry

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

33 Citations (Scopus)

Abstract

Spin-coated side-chain liquid-crystalline polymer films, based on alternating copolymers of maleic anhydride and -olefins carrying terminal mesogenic methoxybiphenylyloxy groups, on silicon wafers show lamellar ordering upon annealing above the glass transition temperature. In the surface topography (atomic force microscopy measurements), structures are visible with a height corresponding to a bilayer. Also within the film, the side chains are ordered perpendicularly to the surface as measured by X-ray reflectometry. There are indications that directly at the substrate surface the side chains are aligned parallel to the surface. By the two complementary techniques, a rather complete picture is obtained. Even though the films are very thin (nanometer-scale thickness), the structure has a high degree of perfection and the bilayer spacing is the same as measured for bulk polymer.

Original language	English
Pages (from-to)	4762-4766
Journal	Langmuir
Volume	13
DOIs	https://doi.org/10.1021/la970243d
Publication status	Published - 1997

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title = "Order in thin films of side-chain liquid-crystalline polymers.",

abstract = "Spin-coated side-chain liquid-crystalline polymer films, based on alternating copolymers of maleic anhydride and -olefins carrying terminal mesogenic methoxybiphenylyloxy groups, on silicon wafers show lamellar ordering upon annealing above the glass transition temperature. In the surface topography (atomic force microscopy measurements), structures are visible with a height corresponding to a bilayer. Also within the film, the side chains are ordered perpendicularly to the surface as measured by X-ray reflectometry. There are indications that directly at the substrate surface the side chains are aligned parallel to the surface. By the two complementary techniques, a rather complete picture is obtained. Even though the films are very thin (nanometer-scale thickness), the structure has a high degree of perfection and the bilayer spacing is the same as measured for bulk polymer.",

author = "{van der Wielen}, M.W.J. and {Cohen Stuart}, M.A. and G.J. Fleer and {de Boer}, D.K.G. and A.J.G. Leenaers and R.P. Nieuwhof and A.T.M. Marcelis and E.J.R. Sudh{\"o}lter",

year = "1997",

doi = "10.1021/la970243d",

language = "English",

volume = "13",

pages = "4762--4766",

journal = "Langmuir",

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TY - JOUR

T1 - Order in thin films of side-chain liquid-crystalline polymers.

AU - van der Wielen, M.W.J.

AU - Cohen Stuart, M.A.

AU - Fleer, G.J.

AU - de Boer, D.K.G.

AU - Leenaers, A.J.G.

AU - Nieuwhof, R.P.

AU - Marcelis, A.T.M.

AU - Sudhölter, E.J.R.

PY - 1997

Y1 - 1997

N2 - Spin-coated side-chain liquid-crystalline polymer films, based on alternating copolymers of maleic anhydride and -olefins carrying terminal mesogenic methoxybiphenylyloxy groups, on silicon wafers show lamellar ordering upon annealing above the glass transition temperature. In the surface topography (atomic force microscopy measurements), structures are visible with a height corresponding to a bilayer. Also within the film, the side chains are ordered perpendicularly to the surface as measured by X-ray reflectometry. There are indications that directly at the substrate surface the side chains are aligned parallel to the surface. By the two complementary techniques, a rather complete picture is obtained. Even though the films are very thin (nanometer-scale thickness), the structure has a high degree of perfection and the bilayer spacing is the same as measured for bulk polymer.

AB - Spin-coated side-chain liquid-crystalline polymer films, based on alternating copolymers of maleic anhydride and -olefins carrying terminal mesogenic methoxybiphenylyloxy groups, on silicon wafers show lamellar ordering upon annealing above the glass transition temperature. In the surface topography (atomic force microscopy measurements), structures are visible with a height corresponding to a bilayer. Also within the film, the side chains are ordered perpendicularly to the surface as measured by X-ray reflectometry. There are indications that directly at the substrate surface the side chains are aligned parallel to the surface. By the two complementary techniques, a rather complete picture is obtained. Even though the films are very thin (nanometer-scale thickness), the structure has a high degree of perfection and the bilayer spacing is the same as measured for bulk polymer.

U2 - 10.1021/la970243d

DO - 10.1021/la970243d

M3 - Article

VL - 13

SP - 4762

EP - 4766

JO - Langmuir

JF - Langmuir

SN - 0743-7463

ER -

Order in thin films of side-chain liquid-crystalline polymers.

Abstract

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