Hydrogen-bonded polymer multilayers probed by neutron reflectivity

Eugenia Kharlampieva; Veronika Kozlovskaya; John F. Ankner; Svetlana A. Sukhishvili

doi:10.1021/la802502c

Hydrogen-bonded polymer multilayers probed by neutron reflectivity

Eugenia Kharlampieva, Veronika Kozlovskaya, John F. Ankner, Svetlana A. Sukhishvili

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

65 Scopus citations

Abstract

We present a neutron reflectivity study of the internal structure of multilayers made of a weak polyelectrolyte and a neutral component where interactions between adjacent layers are controlled by hydrogen-bonding. We found the degree of interpenetration of polymer layers expressed as the interlayer roughness to be strongly correlated with the strength of intermolecular interactions between the adjacent layers. In addition, polymer layers become more diffuse with a distance from the substrate. Our results demonstrate that hydrogen-bonded films exhibit a close correlation between their structure and properties, which is essential for various applications.

Original language	English
Pages (from-to)	11346-11349
Number of pages	4
Journal	Langmuir
Volume	24
Issue number	20
DOIs	https://doi.org/10.1021/la802502c
State	Published - Oct 21 2008
Externally published	Yes

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10.1021/la802502c

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T1 - Hydrogen-bonded polymer multilayers probed by neutron reflectivity

AU - Kharlampieva, Eugenia

AU - Kozlovskaya, Veronika

AU - Ankner, John F.

AU - Sukhishvili, Svetlana A.

PY - 2008/10/21

Y1 - 2008/10/21

N2 - We present a neutron reflectivity study of the internal structure of multilayers made of a weak polyelectrolyte and a neutral component where interactions between adjacent layers are controlled by hydrogen-bonding. We found the degree of interpenetration of polymer layers expressed as the interlayer roughness to be strongly correlated with the strength of intermolecular interactions between the adjacent layers. In addition, polymer layers become more diffuse with a distance from the substrate. Our results demonstrate that hydrogen-bonded films exhibit a close correlation between their structure and properties, which is essential for various applications.

AB - We present a neutron reflectivity study of the internal structure of multilayers made of a weak polyelectrolyte and a neutral component where interactions between adjacent layers are controlled by hydrogen-bonding. We found the degree of interpenetration of polymer layers expressed as the interlayer roughness to be strongly correlated with the strength of intermolecular interactions between the adjacent layers. In addition, polymer layers become more diffuse with a distance from the substrate. Our results demonstrate that hydrogen-bonded films exhibit a close correlation between their structure and properties, which is essential for various applications.

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Hydrogen-bonded polymer multilayers probed by neutron reflectivity

Abstract

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