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Number of results

Journal

2007 | 5 | 3 | 405-415

Article title

Influence of alcohol on mechanical and electrical properties of thin organic films

Content

Title variants

Languages of publication

EN

Abstracts

EN
Stability of organic materials properties is essential for further applications and was intensely investigated in last few decades. The aim of this study is to detect the structural changes of dipalmitoyl-phosphatidylcholine (DPPC) monolayer as a model system of organic material under influence of alcohols solutions. As subphases of monolayers (Langmuir films), pure water, ethanol and methanol solutions were used. For detection of changes in charge states of the molecules as well as relation with structural and conformational changes, a contactless method employing Maxwell’s displacement currents (MDC) was used. In DPPC monolayer on the subphase of methanol-water, a gradual absorption of methanol molecules into the layer can appear. In DPPC monolayer on the subphase of ethanol-water adsorption of ethanol molecules on the layer can be observed. Influence of alcohols results in a significant change of mechanical and electrical properties as well as in the stability of thin films.

Publisher

Journal

Year

Volume

5

Issue

3

Pages

405-415

Physical description

Dates

published
1 - 9 - 2007
online
12 - 4 - 2007

Contributors

  • Institute of pathology, School of Medicine, Comenius University, 811 08, Bratislava, Slovakia
author
  • Department of Physics, Faculty of Electrical Engineering and Information Technology, Slovak University of Technology, 812 19, Bratislava, Slovakia

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_s11534-007-0013-x
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